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TTS GOLF ROTOR OWNERS MANUAL

1. If a tan or white screened inlet valve is installed into a check o matic rotor the rotor will leak water from the vent port during sprinkler operation and the check height will be negatively affected LAA ki FIGURE 72 FIGURE 73 FIGURE 74 FIGURE 75 Hunter TABLE OF CONTENTS INLET VALVE REMOVAL FIGURE 83 plastic part on the tool will engage vertical rails inside the body wall FIGURE 83 The tool must engage these rails or the tool will not align with the inlet valve below Continue pressing downward compressing the spring on the G800 Valve Tool While holding the tool down with the spring compressed turn the tool s handle clockwise until it stops Next release the spring s compression by lifting the handle slightly on the G800 Valve Tool This action hooks and locks the inlet valve to the tool Finally pull upward on the tool s handle to remove the tool and inlet valve from the rotor s body FIGURE 84 FIGURE 81 FIGURE S2 To remove the inlet valve it is necessary to align the pointer arrow on the G800 Valve Tool with the alignment dot on the rotor s flange The alignment dot is centered on the flange compartment lid adjacent to next to the body cavity opening FIGURE 81 A second alignment dot is located below the lid in case the flange compartment lid has been removed Align the pointer arrow on the tool with the alignment dot and lower the tool into the rotor s body
2. Prior to removal of the G90 s short range or mid range nozzle note the differences between the nozzle on the left and right G90 Full Circle The short range nozzle is black and on the left side date codes 0511 amp prior FIGURE 39 The short range nozzle is red and on the left dates codes 0611 and after FIGURE 39 The mid range nozzle is blue and on the right side FIGURE 39 Using needle nose pliers grab the nozzle s orifice then pull outward Discard the old nozzle as the removal process will damage the nozzle and negatively affect the performance Insert the replacement nozzle into the nozzle housing and press firmly until it stops Turn the nozzle retaining setscrew clockwise to a position in front of the nozzle that prevents nozzle movement Take care not to position the setscrew in front of or against the nozzle s orifice as its performance can be negatively affected NOZZLE REPLACEMENT G95 RISERS To view and replace the nozzles it is necessary to compress the riser spring by grabbing the riser seal assembly FIGURE 37 pressing downward and then holding riser firmly to prevent the spring from moving upwards Hunter TABLE OF CONTENTS RISER SEAL REPLACEMENT While still holding the compressed riser seal provides a nest for the retraction spring During assembly and retraction spring with one hand assembly these three parts must keep this use the other hand to grasp the bottom of the sequence and o
3. Next insert the assembled tool white lower snap ring and inlet valve into the rotor s body cavity To do so it is necessary to align the pointer arrow on the 800 Valve Tool with the alignment dot on the rotor s flange The alignment dot is centered on the flange compartment lid adjacent to next to the body cavity opening FIGURE 107 A second alignment dot is located below the lid in case the flange compartment lid has been removed Align the pointer arrow on the tool with the alignment dot and lower the assembled tool white lower snap ring and inlet valve into the rotor s body As the 6900 Valve Tool is lowered into the rotor s body recessed areas on the black plastic part on the tool will engage vertical rails inside the body wall FIGURE 108 The tool must engage these rails or the inlet valve s communication port will not align with the communication port in the body cavity below Continue pressing the assembled tool white lower snap ring and inlet valve downward into the rotor s body Once the tool reaches the bottom continue pressing firming to securely seat the inlet valve and snap ring FIGURE 106 FIGURE 107 FIGURE 108 r Hunter TABLE OF CONTENTS INLET VALVE INSTALLATION pointing and alignment features on the tool s black plastic part First look at the top inside diameter inner circle of the black plastic part on the tool Next find the small pointer arrow that protrudes towards the center FIGURE
4. position the nozzle so the orifice is pointing outward and to the side Drop the nozzle into position by wiggling it downward The final step is to rotate the nozzle 90 degrees pointing it in the opposite direction of the primary long range nozzle This action locks the nozzle in the nozzle housing Prior to installation of the shroud replace the retraction spring and seal assembly if removed NOZZLE REPLACEMENT G90 RISERS To view and replace the nozzles it is necessary to compress the riser spring by grabbing the riser seal assembly FIGURE 37 pressing downward and then holding riser firmly to prevent the spring from moving upwards The G90 riser has three color coded opposing nozzles All G90 nozzles are retained in the FIGURES FIGURES FIGURE 38 I Learn more Visit hunterindustries com golt NOZZLE REPLACEMENT TABLE OF CONTENTS NOZZLE REPLACEMENT G80 RISERS To view and replace the nozzles it is necessary to compress the riser spring by grabbing the riser seal assembly FIGURE 32 pressing downward and then holding riser firmly to prevent the spring from moving upwards The G80 riser has three color coded opposing nozzles All G80 nozzles are retained in the nozzle housing by the shroud FIGURE 33 that covers the nozzle housing turret To remove the shroud use a Phillips head screwdriver and remove the stainless steel screw at the top of the riser by turning it counter clockwise Prior to removal o
5. 115 This pointer is used to indicate the direction and alignment that the tool must have as it is inserted into the rotor s body Directly below the pointer on the underside of the G900 Valve Tool there are a series of raised tabs FIGURE 116 The tab directly below the pointer appears to be missing but this gap between tabs is intentional it is designed to be this way When the tool is nested to the valve the gap provides clearance for the inlet valve s communication port FIGURE 116 the ring The correct orientation for installation is to have the widest side facing down and the thinnest side facing up To help with this orientation the 6900 5 white lower snap ring has engraving on the upper surface that says This side up 44 6900 Series inlet valves are installed in the body using the G900 Valve Tool Prior to using the tool familiarize yourself with the individual features of the G900 Valve Tool First notice there are hooks at the end of each metal bar FIGURE 114 These hooks are used to grab hook the inlet valve during installation The black plastic part of the 6900 Valve Tool includes physical features that hold or nest the inlet valve and the white lower snap ring to the tool during installation In order to engage the inlet valve and white lower snap ring with the 900 Valve Tool properly you must be familiar with the FIGURE 114 FIGURE 115 To install the white lower snap ring an
6. 24 volts of power to the rotor s solenoid FIGURE 1 COE 2 FIGURE I Learn more Visit hunterindustries com golt SOLENOID CONNECTIONS I TABLE OF CONTENTS SOLENOID CONNECTIONS Electric VIH Models TTS Electric Valve In Head models have solenoid lead wires protruding from the rotor s body in the traditional manner Controller field wires can be connected to the rotor using the specified watertight wiring connectors at this sub surface position If specified or requested otherwise the solenoid lead wires and controller field wires can be pulled up into the rotor s flange compartment where the initial connections can be made recommended Regardless of the initial connection point future solenoid repair connections can be made within the flange compartment see Solenoid Servicing later in this manual CAUTION When connecting solenoid leads outside of the flange compartment DO NOT pull solenoid leads downward in an attempt to Do NOT Pull On Solenoid Lead Wiring provide more exposed solenoid wire Electric TTS rotors REQUIRE Slack in solenoid wiring within the flange compartment to facilitate servicing of the pilot valve and solenoid Removing the slack can limit movement of the On Auto Off selector and require cutting of solenoid wires to service pilot valve and or solenoid Hunter TABLE OF CONTENTS RISER SERVICING AND ADJUSTMENTS RISER SERVICING AND ADJUSTME
7. OF CONTENTS ATTACHING SELECTOR CAP TO THE SOLENOID The Selector Cap turns the Solenoid when the user changes the ON AUTO OFF settings Under normal operating conditions the Selector Cap should not need replacement The Selector Cap can become damaged if the incorrect tool is used to make ON AUTO OFF selection adjustments With the Solenoid and Pilot Valve assembly installed in the flange compartment and the Solenoid set to the Auto position see instructions above proceed as follows The flat side of the Solenoid should be facing away from the rotor s riser assembly pointing towards the outside of the flange compartment FIGURE 142 Starting from where the Solenoid s lead wires come out of the top of the Solenoid place the lead wires side by side over the top and down the flat side of the Solenoid FIGURE 143 While holding the Solenoid s lead wires in this position place the Selector Cap on top of the Solenoid The Selector Cap must be oriented such that the Solenoid s lead wires fit into the recessed channel on the inside wall of the Selector Cap Press the Selector Cap down and onto the Solenoid FIGURE 144 FIGURE 143 FIGURE 144 PRESSURE REGULATOR PURPOSE SETTINGS AND ADJUSTMENT PROCEDURES Regulation settings are preset at the factory If the installed rotor has been preset to the specified regulation setting for your irrigation system further Pressure Regulator adjustments are not normally necessary If areplacement
8. TTS rotor is being installed it may be necessary to adjust the regulation setting Pressure Regulator Purpose The purpose of the Pressure Regulator FIGURE 145 is to ensure that a specifically set pressure is supplied to the rotor s nozzles Since the amount of flow through the nozzles is affected by pressure supplying a consistent pressure to every rotor in the irrigation system is beneficial This will help to ensure that all rotors with the same size nozzles will have the same application rate also Known as the precipitation rate Hunter 55 TABLE OF CONTENTS ATTACHING FLANGE COMPARMENT LID FIGURE 147 FIGURE 148 ATTACHING THE FLANGE COMPARTMENT LID Take a moment for a final check to make sure FIGURE 148 Finally check Selector Cap for that all of the flange compartment components free movement of the On Off Auto Feature have been installed properly Place the flange compartment lid into position and align the Selector Cap to its hole in the lid Press the flange compartment lid into position and secure with the stainless steel retaining screws If you have further questions after reviewing this manual please contact Hunter s Technical Services Department at 800 733 2823 and select option 3 I Learn more Visit hunterindustries com golf 58 PRESSURE REGULATOR REPLACEMENT TABLE OF CONTENTS To raise the pressure setting on the variable setting regulator turn the adjusting knob clockwise FIGURE 1
9. Turn counter clockwise to remove each screw Prior to removing the rubberized logo cap assembly note its orientation as it relates to the nozzles below This will help with the assembly process later Remove the rubberized logo cap and set aside FIGURE 43 FIGURE 44 FIGURE 45 FIGURE 46 is Hunter TABLE OF CONTENTS RISER SEAL REPLACEMENT Slide the new face seal down and onto the riser To install the nozzle housing s shroud logo cap Make sure that it is pressed all the way until it assembly position it over the nozzle housing is seated firmly against the ledge at the base The single opening for the Primary long range of the stainless steel portion of the riser Install nozzle in the shroud must be positioned directly the retraction spring and seal block assembly over the long range largest nozzle Press into onto the G80 riser Press down on the seal block position and confirm all three nozzle openings to compress the retraction spring and hold are lined up with the nozzles inside Install the firmly in this position Stainless steel screw into the rubberized logo cap by turning it clockwise until hand tight RISER SEAL REPLACEMENT G90 amp G95 RISERS The G90 and G95 riser seal assembly and the riser seal components To remove the retainer compressed retraction spring are retained on cap fully compress the riser spring by grabbing the riser with the retainer cap plastic plate at the riser seal assembly FIGURE 51 pres
10. become necessary it is important to note that these nozzles must be installed with the correct orientation for optimal performance e FIGURE 32 FIGURE 33 FIGURE 34 FIGURE 35 FIGURE 36 Hunter TABLE OF CONTENTS NOZZLE REPLACEMENT The G95 riser has three color coded nozzles Turn the nozzle retaining setscrew clockwise that all face the same direction All G95 nozzles while making sure that the setscrew does not are retained in the nozzle housing turret with distort the nozzle Lower the setscrew in front three setscrews FIGURE 40 Each setscrew of the nozzle only as far as necessary to prevent has a 3 32 inch Allen recess at the top Insert nozzle movement Take care not to position the the metal end of the Hunter wrench or a 3 32 setscrew in front of or against the nozzle s orifice inch wrench into setscrew that is above the as its performance can be negatively affected nozzle to be replaced Engage the setscrew and turn counter clockwise until the bottom of the setscrew clears the top of the nozzle FIGURE 41 If the nozzle size or color has been changed please note that the adjustable stator will likely need to be reset Refer to the Stator Adjustment To remove the long range primary nozzle first section in this manual for information on how to note the nozzle s orientation prior to removal reset the stator The G95 s primary nozzle has a protruding rail that must engage the slot on the right side of t
11. factory to match the nozzle installed in the rotor The purpose of the stator is to maintain a consistent and desirable speed of rotation Rotors that turn too fast cannot reach their published radius distance Rotors that turn too slowly will irrigate with a higher precipitation rate per revolution causing wet spots and run off If nozzles are changed to a flow greater than the original factory nozzle the speed of rotation will become faster unless the appropriate stator adjustments are made This is because there is a greater amount of water passing the turbine that drives the gearbox The opposite is true if a smaller flow nozzle is installed without adjusting the stator the rotor will slow down In extreme situations the rotor may not rotate at all if the stator is not adjusted Again stator adjustments are not required unless the nozzle flow is being changed or the stator was set incorrectly at some point in time Setting the stator is as simple as matching the stator setting number to the nozzle number being used in the rotor For example if the nozzle in use is 20 then the stator setting will be 20 To access the stator adjustment first remove the riser s filter screen as outlined in the section above STATOR ADJUSTMENTS G35 G70 amp G75 RISERS G35 risers have a self adjusting variable stator and do not require adjustments Turn the riser upside down remove the filter screen and view the stator area Notice the black pa
12. has an O Ring around the outside If the O Ring is damaged deteriorated or missing the riser will leak water while the sprinkler is operating The second sealing surface on the seal block assembly is on the underside The angled surface on the underside of the seal block assembly is the interface for the face seal If this angled interface surface is cut or otherwise damaged the riser can leak water during sprinkler operation The face seal is the second primary component to the G80 s riser seal design The face seal is the white plastic angled ring that is position at the base of the stainless steel portion of the 059 riser If the face seal is damaged deteriorated or missing the riser will leak during sprinkler operation If the riser is leaking during sprinkler operation the O Ring the interface and the face seal must be inspected in order to determine the cause of the leakage If the O Ring is damaged it can easily be replaced by removing the damaged O Ring from the seal block and replacing it witha new one Use care to ensure that the O Ring is not cut or twisted during the installation process If the interface is damaged the entire seal block must be replaced Also if the interface is damaged it is highly likely that the face seal is damaged as well and needs replacement To replace the face seal slide it upwards and off the riser assembly Replacement face seals must fit very snug to the stainless steel on the riser As a result
13. snug to the stainless steel on the riser As a result there may be considerable resistance when attempting to install the new face seal To make installation easier the face seal s diameter can be expanded by placing it in the sun for several minutes Or if the repair is being done in the shop placing the face seal in warm water for several minutes will cause expansion as well Slide the new face seal down and onto the riser Make sure that it is pressed all the way until it is seated firmly against the ledge at the base of the riser Install the retraction spring and seal block assembly onto the riser Press down on the seal block to compress the retraction spring and hold firmly in this position While firmly holding the retraction spring and seal assembly down place the retainer cap on top of the riser in the correct orientation Insert the two stainless steel screws and hand tighten with a Phillips screwdriver FIGURE 51 FIGURE 52 FIGURE 53 Hunter 23 TABLE OF CONTENTS STATOR ADJUSTMENTS number on the gray stator FIGURE 59 Then Snap the adjustable stator plate down into position Once the stator plate is installed check to make sure the desired nozzle number is visible in the cutout window Finally install the filter screen as outlined above To make an adjustment rotate the adjustable Stator plate to the right in a clockwise direction FIGURE 61 Notice the small cutout or window on the adjus
14. the Snap ring is adjacent to next to the flange I Learn more Visit hunterindustries com golt STATOR ADJUSTMENTS TABLE OF CONTENTS STATOR ADJUSTMENTS G90 amp G95 RISERS Turn the riser upside down remove the filter screen and view the stator area Notice the white plastic part that is set within the bottom of the riser FIGURE 62 This white part on G90 and G95 risers is called the adjustable stator plate Beneath the adjustable stator plate is a black non removable plastic part with the opening in the center for the turbine and the single opening to the side This part is called the stator The outer ring at the base of the riser has recessed notches all the way around it Notice that the white adjustable stator plate has a protrusion that is engaged with one of these recessed notches This protrusion is the adjustable stator plate s pointer Also notice there is a series of numbers engraved into the plastic next to some of the recessed notches These numbers are the nozzle size reference numbers To make an adjustment first find the raised wall or blade of plastic on the adjustable stator plate Use pliers to grab the plastic blade then pull to remove the white adjustable stator plate from the riser FIGURE 63 To reset and install the adjustable stator plate find the nozzle size reference number on the outer ring that matches the installed nozzle Simply align the pointer on the adjustable stator plate with the desired nozzle num
15. there may be considerable resistance when attempting to install the new face seal To make installation easier the face seal s diameter can be expanded by placing it in the sun for several minutes Or if the repair is being done in the shop placing the face seal in warm water for several minutes will cause expansion as well Hunter TABLE OF CONTENTS RISER FILTER SCREEN SERVICING RISER FILTER SCREEN SERVICING ALL TTS ROTORS The riser filter screen is located at the base To remove the filter screen locate the notched bottom of each riser The purpose of the filter recessed area located on the outside where it screen is to prevent entry of debris that are too meets the bottom of the riser FIGURE 54 55 large to exit the riser through the nozzles Ifthe 56 Insert the snap ring tool or a flat bladed filter becomes clogged with debris water flow screwdriver into the recess and then twist to through the riser can be severely reduced and lift the filter screen from its position against the lead to diminished sprinkler performance riser Flush filter screen with water to remove debris To install filter screen press firmly into position against the riser FIGURE 54 FIGURESs FIGURE 56 I Learn more Visit hunterindustries com golt 24 RISER SEAL REPLACEMENT TABLE OF CONTENTS The riser seal on G90 and G95 risers include two primary components the seal block assembly and the face seal The seal block assemb
16. 46 Each full clockwise turn will increase the pressure approximately 10 PSI Use the scale on the side of the regulator s body to estimate pressure To lower the pressure setting on a variable setting regulator turn the knob counter clockwise FIGURE 146 To obtain a more accurate setting when reducing the pressure it is highly recommended to take the setting down to approximately 10 PSI below the desired pressure setting and then turn the knob clockwise to the desired setting FIGURE 146 PRESSURE REGULATOR REPLACEMENT To replace the Pressure Regulator first disengage the Solenoid and Pilot Valve from the flange compartment This action will create easier access to the Pressure Regulator Next notice the two tubes that are connected at the base of the Pressure Regulator FIGURE 147 The tube entering the center of the Pressure Regulator is the inlet and it comes from the top fitting in the Pilot Valve The tube that is offset from the center is the outlet and it goes to the rotor s body wall One of the TTS rotor s valuable features is that the water discharged from the valve circuitry is vented into the rotor s body and then out the nozzles To replace the Pressure Regulator use side cutters or blade to make clean cuts in the tubing at points just before they enter into the Pressure Regulator Next connect the inlet tube going into the center of the new Pressure Regulator To connect pinch tube s end with fingers in orde
17. As the 6800 Valve Tool is lowered into the rotor s body recessed areas on the black Important Take note of how the G800 Valve Tool nests with the attached inlet valve This will help later when attaching the inlet valve to the tool prior to inlet valve installation the tool s spring FIGURE 85 While compressing and holding the spring rotate the tool s handle counter clockwise to release the tool s hooks from the inlet valve To disengage the inlet valve from the G800 Valve Tool hold the inlet valve with one hand and the tool with the other hand Next push the tool s handle toward the inlet valve to compress 34 FIGURE 84 FIGURE SS I Learn more Visit hunterindustries com golt INLET VALVE REMOVAL I TABLE OF CONTENTS INLET VALVE REMOVAL 6800 SERIES With the main line or sub main depressurized the riser assembly removed the water extracted from the body cavity and the safety interlock feature disengaged proceed with removal of the G800 s white lower snap ring and inlet valve as follows First notice that close to each end of the white lower snap ring there are two raised areas FIGURE 76 These two raised areas are used to remove the white lower snap ring Also notice that the inlet valve has two posts protruding upward on top of the inlet valve Take a moment to note the orientation of these posts and how they nest within the white lower snap ring Understanding this alignment and orientation will help l
18. Hunter TTS GOLF ROTOR OWNERS MANUAL GOLF IRRIGATION Built on Innovation rs 3 leas 7 7 a gt m ee oe 4 TW eT ia S hunterindustries com TABLE OF CONTENTS TTS TOTAL TOP SERVICE 28 29 29 31 3 32 Be 5 38 0 39 43 47 47 48 49 49 52 53 54 35 55 56 51 58 Rotor Numbering System 3 Upper Snap Ring Installation Tips M FA N S N O D j G G j N G Installation amp Operation 4 Upper Snap Ring Installation 6800 Series Solenoid Connections 5 Upper Snap Ring Installation 6900 Series ON Auto Off Selection 6 Inlet Valve Removal Control Tubing Connections Valve Identification Riser Servicing And Adjustments 8 Inlet Valve Removal Thank you for purchasing Hunter s TTS golf and large turf rotors PP PEED 6 000 E Upper Snap Ring Removal G900 Series g Inlet Valve Removal G800 Series Riser Removal All Models 190 Inlet Valve Removal G900 Series TTS rotors include all the features and quality you expect from rotors in this category with ARC ACEC HERE eee 2 77 G35 G75 685 amp G95 Part Circle Risers 11 Inlet Valve Installation Safety Warnings in Arc Adjustment Procedure G35 G75 amp G95 Inlet Valve Installation G800 Series and to the eye This manual Adjustable Part Circle Risers 12 Inlet Valve Installation 6900 Series for Hunter s TTS ncluding models G835 G870 G875 G880 17 Nozzle Replac
19. NTS CAUTION The riser assembly is under spring tension Eye protection should be worn and safe handling procedures followed when servicing this product TOOLS NEEDED VARIES WITH RISER MODEL gt T Handle Tool PN 053191 gt Needle Nose Pliers gt Hunter Wrench PN 172000 gt Flat Blade Screwdriver gt Snap ring Tool PN 052510 gt Phillips Screwdriver UPPER SNAP RING REMOVAL 6800 SERIES Hold Snap ring Tool vertical over the rotor s downward and away from the center of the rotor upper snap ring Align the metal end of the As the tool is pressed downward the snap ring Snap ring tool to the indicator on the snap ring s will lift from the rotor FIGURE 9 While using rubberized wiper seal FIGURE 7 Use the palm the tool to hold the snap ring in this elevated of the other hand to drive the tool downward amp position use the other hand to pull the snap through the rubberized membrane Tool should ring from the rotor If the snap ring s rubberized penetrate about 2 inch into the snap ring wiper seal appears to be the only part that is assembly FIGURE 8 While holding the tool lifting the tool has not penetrated into the within the snap ring press the tool s handle Snap ring far enough FIGURE 7 FIGURE 8 FIGURES 8 Learn more Visit hunterindustries com golt TUBING CONNECTIONS TABLE OF CONTENTS CONTROL TUBING CONNECTIONS C 0 M Models Converted to Hydraulic Configuration In hydraulic installations t
20. TS rotors have a 1 2 Acme threaded inlet Acme inlet threads have become the preferred thread configuration in the golf course irrigation market Do Not use NPT or BSP threaded fittings to connect piping to TTS rotors Acme threads are not compatible with NPT or BSP fittings Acme threaded fittings and swing joints are available from your local irrigation supply company Following are the available options for connecting TTS rotors to the irrigation system piping Following are the minimum recommended swing joint sizes for TTS rotors However follow your Irrigation Consultant s recommendations where applicable e 0800 Series rotors with nozzles 2 thru 18 1 swing joint with 1 2 Acme outlet fitting e 0800 Series rotors with nozzles 20 thru 25 1 swing joint with 1 2 Acme outlet fitting e 0800 Series rotors with nozzles 25 thru 53 1 swing joint with 12 Acme outlet fitting e 900 Series rotors with nozzles 25 thru 73 1 swing joint with 12 Acme outlet fitting PVC swing joints with a 1 2 male Acme outlet fitting Approved flexible swing joints with a 1 2 male Acme outlet fitting Replace the final fitting of the existing swing joint with a 1 2 male Acme outlet fitting fitting must be the same brand as swing joint Use the appropriate Hunter Acme Adapter fitting These are available from Hunter distributors in various NPT and BSP sizes Teflon tape or PVC cement must be used
21. ab hook the inlet valve for removal from the rotor s body The black plastic part of the G900 Valve Tool includes physical features that hold or nest the inlet valve to the tool during inlet valve removal and installation In order to engage the inlet valve with the 0 Valve Tool properly you must be familiar with the pointing and alignment features on the FIGURES FIGURES2 I Learn more Visit hunterindustries com golt INLET VALVE REMOVAL I TABLE OF CONTENTS Inlet valve removal option 2 Once the white lower snap ring has been removed the inlet valve is released and is ready for removal First notice the raised wall or rib that protrudes upward from the center of the inlet valve FIGURE 86 Use the 16 Needle Nose Pliers Tool to grab this protruding rib firmly While holding the protruding rib firmly with the 16 Needle Nose Pliers Tool pull upward to disengage and remove the inlet valve from the rotor s body FIGURE 87 FIGURE 86 FIGURE 87 INLET VALVE REMOVAL G900 SERIES With the main line or sub main depressurized the riser assembly removed the water extracted trom the body cavity and the safety interlock feature disengaged proceed with removal of the G900 s white lower snap ring and inlet valve as follows First notice that close to each end of the white lower snap ring there are eyelets areas with a hole for access These two eyelets are used to remove the white lower snap ring FIGURE 88 To r
22. adjustable part circle riser Hunter ROTOR NUMBERING SYSTEM TABLE OF CONTENTS MODEL NUMBERING SYSTEM TTS Rotors All Models Hunter TTS golf rotors are available in two basic body styles The G800 Series and the G900 Series rotors Each of these body styles is available in either the Check O Matic COM valve configuration the Electric Valve In Head EVIH or more commonly known as VIH valve configuration and the Decoder In Head DIH valve configuration G800C a G800 body in a COM valve configuration G800E a 0800 body in a VIH valve configuration G800D a G800 body ina DIH valve configuration 6090060 a 900 body ina COM valve contfiguration G9OOE a G900 body ina VIH valve configuration 609000 a 900 body in a DIH valve configuration Combining a body style gear driven riser and valve configuration together creates a model number system that clearly defines the primary characteristics of the rotor Examples G875C a G800 body with a G75 adjustable riser and a COM valve a G900 body with a G90 full circle riser 6990 anda VIH valve All COM TTS rotors can be converted to the Normally Open Hydraulic configuration TABLE OF CONTENTS ON AUTO OFF SELECTION ON AUTO OFF SELECTION ment s lid From the factory the selector is set to the AUTO position which is located midway between the ON and OFF positions FIGURE 1 Electric VIH Models Electric Valve In H
23. as the removal process can damage the nozzle and negatively affect its performance Insert the replacement nozzle into the nozzle housing with the smaller orifice positioned to the right Press firmly until it stops Turn the nozzle retaining setscrew clockwise while making sure that the setscrew does not distort the nozzle Lower the setscrew in front of the nozzle only as far as necessary to prevent nozzle movement Take care not to position the setscrew in front of or against the nozzle s orifice as its performance can be negatively affected If the nozzle size or color has been changed please note that the adjustable stator will likely need to be reset Refer to the Stator Adjustment section in this manual for information on how to reset the stator P Ak A LLULL as x 7 TZOS compress the riser spring by grabbing the riser seal assembly FIGURE 27 pressing downward and then holding riser firmly to prevent the spring from moving upwards The G35 nozzles are yellow with single orifices The G75 nozzles are color coded with two orifices All nozzles are retained in the nozzle housing turret with a setscrew FIGURE 30 Each setscrew has a 32 inch Allen wrench recess at the top On the G35 or G75 rubberized logo cap locate the arrowhead shaped area directly above the nozzle FIGURE 31 Insert the metal end of the Hunter wrench or a 3 32 inch wrench into the m
24. assembly above the upper snap ring s wiper seal first locate the lift up socket on top of the riser assembly Using the T Handle Tool or Snap ring Tool or Hunter Wrench insert the tool into the lift up socket turn turn FIGURE 67 Next lift the riser assembly up until the nozzles can been seen above the upper snap ring assembly FIGURE 68 Slowly release the riser assembly downward until the riser assembly rests on top of the upper snap ring assembly FIGURE 69 FIGURE 69 FIGURE 70 FIGURE 71 o 29 Hunter I Learn more Visit hunterindustries com golf 30 TABLE OF CONTENTS INLET VALVE REMOVAL INLET VALVE REMOVAL DISENGAGING THE SAFETY INTERLOCK FEATURE Caution Electric valve in head rotors are connected to pressurized main line or sub main piping This pressurized piping must be depressurized before servicing the inlet valve Serious bodily injury can occur if valve is removed when the piping is pressurized Keep head and body parts away from the rotor s exposed internal openings at all times Wear proper eye protection and use To disengage the safety interlock feature place the tip of the 16 Needle Nose Pliers Tool on top of the inlet valve Next press downward on the inlet valve The inlet valve should move down slightly If no movement is observed or felt stop and confirm that the main line or sub main has been depressurized If main line or sub main has been shut off it is possible that resident pressu
25. ater to confirm that the white lower snap ring has been properly seated after installation To remove the white lower snap ring use the 16 Needle Nose Pliers Tool to grab the outer side of the two raised areas near the ends of the white lower snap ring Next squeeze the two raised areas together with the tips of the 16 Needle Nose Pliers Tool FIGURE 78 This action will collapse the white lower snap ring While holding the collapsed white lower snap ring pull the 16 needle nose pliers up and out along with the white lower snap ring FIGURE 79 Inlet valve removal option 1 Once the white lower snap ring has been removed the inlet valve is released and is ready for removal 6800 Series inlet valves are removed from the body using the G800 Valve Tool Prior to using the tool familiarize yourself with the individual features of the G800 Valve Tool First notice there are two metal hooks at the bottom of the tool FIGURE 80 These hooks are used to grab hook the inlet valve for removal from the rotor s body The black plastic part of the G800 Valve Tool includes physical features that hold or nest the inlet valve to the tool during inlet valve removal and installation FIGURE 78 FIGURE 79 FIGURE 80 In order to engage the inlet valve with the G800 Valve Tool properly you must be familiar with the pointing and alignment features on the tool s black plastic part First look at the three retaining screws on top of the tool Next
26. atures on the tool s plastic part First one the raised protruding ends of the 990 look at the three retaining screws on top ofthe snap ring facing towards you FIGURE 103 In from the rotor when piping is being re pressurized tool Next find the screw that has a pointer the other hand hold the G800 Valve Tool with Attention Read and understand the inlet valve installation instructions outline below If you are arrow engraved around the head of the screw the metal hook end of the tool pointing towards unsure or not clear on any portion of the installation procedure contact your local Hunter Golf FIGURE 101 This pointer is used to indicate you Compress the snap ring and place onto the Distributor Representative or Hunter Technical Services at 800 733 2823 and choose option 3 the direction and alignment that the tool must tool so that the two metal roll pins at the bottom have as it is inserted into the rotor s body of the black plastic part of the tool hold and INLET VALVE INSTALLATION 6800 SERIES Remove excess water from the rotor s body cavity Inspect the upper and lower snap ring grooves making sure there are no damaged or missing sections of plastic adjacent to next to the snap ring grooves Remove all plastic shavings or burrs of plastic that are found within the body cavity retain the white lower snap ring FIGURE 104 A second pointer arrow is located directly below on the underside of the G800 Valve T
27. away from the rotor when piping is being re pressurized FIGURE 111 FIGURE 112 FIGURE 113 INLET VALVE INSTALLATION G900 SERIES Remove excess water from the rotor s body cavity Inspect the upper and lower snap ring grooves making sure there are no damaged or missing sections of plastic adjacent to next to the snap ring grooves Remove all plastic shavings or burrs of plastic that are found within the body cavity If needed a small amount of Dow Corning 111 Valve Lubricant or pure petroleum jelly like Vaseline can be used around the O Ring on the inlet valve In most instances residual water within the rotor s body cavity is sufficient lubrication for inlet valve installation Caution Use of other non specified lubricants can attack and deteriorate the plastic used in golf rotors Stress cracks or leaking caused by the use of improper lubricants are not covered under warranty Hunter TABLE OF CONTENTS INLET VALVE INSTALLATION As the G900 Valve Tool is lowered into the rotor s body recessed areas on the black plastic part on the tool will engage vertical rails inside the body wall The tool must engage these rails or the inlet valve s communication port will not align with the communication port in the body cavity below Continue pressing the assembled tool white lower snap ring and inlet valve downward into the rotor s body Once the tool reaches the bottom continue pressing firmly to securely sea
28. ber on the outer ring The pointer can be placed on either side of the nozzle reference number FIGURE 64 Next snap the adjustable stator plate down and into position Once the adjustable stator plate is installed check to make sure the desired nozzle size reference number aligned with the pointer Finally install the filter screen as outlined above FIGURE 62 FIGURE 63 FIGURE 64 RISER REPLACEMENT FULL CIRCLE RISERS Full circle riser assemblies can be inserted into the rotor s body without regard to arc orientation Insert the riser screen first into the rotor s body until it comes to a stop Next install the upper Snap ring referencing instructions which follow for your rotor model Hunter UPPER SNAP RING INSTALLATION I TABLE OF CONTENTS TABLE OF CONTENTS UPPER SNAP RING INSTALLATION UPPER SNAP RING INSTALLATION G800 SERIES As the rubberized logo cap is installed note cap to be positioned over the nozzles below there is a protruding pin on the underside of the Note which hole the pin fits into FIGURE 71 rubberized logo cap FIGURE 70 This pin is the Also note that the pin and hole locations are alignment feature on the rubberized logo cap different for the G90 and G95 rotors that must be oriented and inserted into the riser assembly correctly Proper alignment and installation of the protruding pin allows the nozzle direction arrows on the rubberized logo Hold the snap ring in front of you with the wipe
29. between the connecting NPT or BSP threads DO NOT use Teflon tape PVC cement or other thread sealant materials to connect the TTS rotor to the Acme Typical NPT or fitting If needed a small amount of Dow Corning 111 BSP Swing Joint Valve Lubricant or pure petroleum jelly like Vaseline can Fitting with be used around the O Ring on the Acme fitting Other tapered threads lubricants can deteriorate the fitting and cause leakage Thread the Acme fitting into the TTS rotor clockwise by hand until it bottoms out no further rotation is possible Then turn the fitting in reverse counter clockwise 2 to 1 turn The fitting will still seal around the O Ring and this Typical ACME loosened position will allow minor rotation of the rotor s Swing Joint Fitting body after installation with O Ring seal I Learn more Visit hunterindustries com golt Each body style will accept specific gear driven risers 6835 0800 body style fitted with a G35 adjustable part circle riser G870 800 body style fitted with a G70 full circle riser 6875 G800 body style fitted with a G75 adjustable part circle riser G880 G800 body style fitted with a GSO full circle riser G884 G800 body style fitted with a G84 full circle riser G885 G800 body style fitted with a G85 adjustable part circle riser G990 900 body style fitted with a G90 full circle riser G995 900 body style fitted with a G95
30. ceps tool can be used to pinch the supply tube going into the Pilot Valve The pressurized supply tube runs from the inlet area of the rotor and up into the flange compartment then is directly connected to the bottom fitting on the Pilot Valve FIGURE 132 Caution care needs to be taken and an appropriate tool used to avoid damaging the tubing as it is clamped closed A leaking supply tube will cause the rotor to weep water while deactivated Hunter 49 TABLE OF CONTENTS PILOT VALVE REPLACEMENT IMPORTANT the TTS rotor s top service capabilities require that there is sufficient slack in the Solenoid s wiring leads within the flange compartment To estimate required wiring slack bring Solenoid to the top of the rotor s flange During back fill of soil around rotor do not let the Flange compartment wire splice connections If original wire splice connections were made within the flange compartment simply disconnect splices and re splice controller wiring to the new Solenoid s wiring leads Confirm that appropriate grease filled type connectors are in use If not discard and replace with appropriate connectors If needed the new Solenoid s lead wires can be shortened to minimize excess wiring within the flange compartment Notice the two tubes attached to the Pilot Valve s fittings FIGURE 136 The lower fitting is the inlet and the upper fitting is the outlet The lower tube is the pressurized supply tube tha
31. d to the 12 00 position FIGURE 117 FIGURE 118 FIGURE 119 Next slightly rotate the valve installation tool counter clockwise to the 11 30 position This alignment will allow the two metal hooks on the G900 valve tool to pass through the two correct openings around the outside of the inlet valve Press the metal hooks through the openings Continue pressing the inlet valve and 6900 Valve Tool together compressing the spring on the tool While holding the tool down with the spring compressed turn the tool s handle clockwise until it stops FIGURE 121 Next release the spring s compression by lifting the handle slightly on the 00 Valve Tool This action hooks and locks the inlet valve to the tool FIGURE 120 FIGURE 121 Hunter TABLE OF CONTENTS SOLENOID PILOT VALVE amp REGULATOR SERVICING With the flange compartment lid removed and the flange compartment FIGURE 128 This will prior to disassembly take time to note the be valuable later for reference during final orientation of the various components within assembly In particular notice e How the solenoid wires fold over the top and to the flat side of the solenoid e How in the Auto position the flat on the side of the solenoid faces to the outside e How the pilot valve s fittings and connected tubing point in a specific direction e How the pressure regulator is tucked into position within the compartment Selector Cap Removal The Selector Cap tu
32. d inlet valve into the rotor s body first load the white lower snap ring and valve to the tool To do so hold the valve in the palm of the hand as shown FIGURE 117 In the other hand take the white lower snap ring Notice the white lower snap ring has a step feature around the outside of I Learn more Visit hunterindustries com golt INLET VALVE INSTALLATION I TABLE OF CONTENTS Next use the 16 Needle Nose Pliers Tool to install the white lower snap ring To do so use the tool to grab the outer side of the two raised areas near the ends of the white lower snap ring FIGURE 111 The snap ring must be installed with these two raised amp protruding areas on the snap ring ends facing upward Next squeeze the two raised areas together with the tips of the 16 Needle Nose Pliers Tool This action will collapse the white lower snap ring While holding the collapsed white lower snap ring with the tool lower the white lower snap ring into the rotor s body FIGURE 112 Next engage and release the snap ring into the snap ring groove located at the base of the body cavity wall Finally take whatever time is necessary to visually confirm that every part of the white lower snap ring is securely seated into the snap ring groove FIGURE 113 Caution f snap ring in not fully seated in the snap ring groove the valve may be expelled from the rotor when the piping is re pressurized Serious bodily injury can occur Keep head and body parts
33. d personnel or golfers from shutting down a rotor during operation and inadvertently changing its regulation setting The calibrated pressure setting from the factory is very accurate However the pressure indicating scale is only a pressure setting reference when making adjustments in the field For more precise pressure regulation adjustment in the field use a pitot gauge at the nozzle to the check pressure 56 Pressure regulation also prevents too much pressure from reaching the nozzles Rotors that are closer to the pump station or rotors that are at a lower elevation will have relatively higher pressures than rotors that are at the far reaches of the irrigation system s piping or those at higher elevations Abnormally high pressures at the nozzles can cause misting of the water droplets Water that is misting will be easily carried away from its intended target by the wind aaa m 120 100 80 60 FIGURE 145 PRESSURE REGULATOR ADJUSTMENT The variable setting Pressure Regulator has been calibrated from the factory and set to a specific regulation setting This setting will not normally need to be changed The variable Pressure Regulator has a pointer and a pressure indicating scale on the side of its body with a range of 60 PSI to 120 PSI If pressure setting adjustments are required it is important to note the following I Learn more Visit hunterindustries com golt ATTACHING SELECTOR CAP TO SOLENOID TABLE
34. e necessary to replace the detent ring I Learn more Visit hunterindustries com golt SOLENOID amp PILOT VALVE ASSEMBLY REMOVAL I TABLE OF CONTENTS SOLENOID amp PILOT VALVE ASSEMBLY REMOVAL In order to work on the Solenoid or the Pilot Valve it is first necessary to remove the connected Solenoid and Pilot Valve assembly from the flange compartment Prior to removal take note of the orientation of the fittings and tubing that are attached to the Pilot Valve This will help with final assembly later To remove the Solenoid and Pilot Valve from the flange compartment grab the Solenoid and wiggle it back and forth while lifting upwards FIGURE 130 Pull the Solenoid and Pilot Valve assembly up and on top of the rotor s flange FIGURE 131 FIGURE 130 FIGURE 131 SOLENOID SERVICING AND REPLACEMENT Preventing Sprinkler Activation See the warning above regarding rotor activation when Solenoid is loosened or removed There are three ways to prevent activation of the rotor when the Solenoid is removed from the Pilot Valve The best and most effective way is to shut down the main line or the sub main line water supply to the rotor that is being serviced Be aware that residual pressure may reside in the system piping even after that valve has been closed To purge residual pressure activate a rotor or quick coupler near to the rotor being serviced or move the selector to the manual On position Oa tubing clamp or locking for
35. ead TTS rotors are equipped with a selector to control operation of the rotor The selector is located on the flange compart Several tools are available to make ON AUTO OFF selections gt T Handle Tool PN 053191 gt Hunter Wrench PN 172000 OFF Using one of the tools listed above turn the selector approximately 1 4 turn clockwise from the AUTO position to manually deactivate the rotor In the OFF position FIGURE 2 the rotor will not activate even if the controller sends 24 volts of power to the rotor s solenoid To restore activation by the controller s programming return the selector to the AUTO position ON Using one of the tools listed above turn the selector 1 4 turn counter clockwise from the AUTO position to manually activate the rotor FIGURE 3 The rotor will continue to operate until the selector is returned to the AUTO or Off position De activation of the sprinkler may take several seconds CAUTION Do not over tighten the selector when turning to the manual OFF position Turn only until resistance Is felt Over tightening can cause premature failure of the solenoid s plunger seal and lead to the rotor leaking water in the AUTO position gt Snap ring Tool PN 052510 The ON AUTO OFF selector s function and recommended operation is as follows AUTO The selector comes from the factory in the AUTO position When in this position the rotor will not activate unless the controller sends
36. el on the palm of your hand to forcefully press the riser assembly down FIGURE 13 and below the rubberized wiper seal on the snap ring assembly FIGURE 14 When the rotor is dry without water within more force is required If sprinkler is installed and has been activated the water acts to lubricate the wiper making the procedure much easier FIGURE 13 FIGURE 14 TABLE OF CONTENTS ARC ADJUSTMENT PROCEDURE ARC ADJUSTMENT PROCEDURE G35 G75 amp G95 ADJUSTABLE PART CIRCLE RISERS stop turning or a ratcheting sound will be heard Newer model G35 and G75 risers will adjust to a non reversing full circle mode when set to the full circle position To decrease the arc of coverage insert the tool into the adjustment socket FIGURE 25 and make sure the nozzle housing is at the right arc stop position Each full turn of the tool to the left counter clockwise will decrease the arc by 45 degrees Two full turns of the tool will result in a 90 degree decrease in the arc of coverage The arc is infinitely adjustable from 40 to 360 degrees When minimum arc is reached the tool will stop turning or a ratcheting sound will be heard To check the arc setting rotate the turret back and forth If further adjustments are required repeat the steps above See Riser Replacement section for instructions on aligning right side fixed arc stop and snap ring installation All adjustments are initiated by inserting the sma
37. embrane within the arrow that is directly above the nozzle to be replaced Engage the setscrew and turn counter clockwise until the bottom of the setscrew clears the top of the nozzle Note the nozzle s orientation prior to removal to aid in the nozzle installation process Using 1 4 2 _ gt FIGURE 30 FIGURES 8 Learn more Visit hunterindustries com golf NOZZLE REPLACEMENT TABLE OF CONTENTS NOZZLE REPLACEMENT G70 RISERS To view and replace the nozzles it is necessary to follow these steps With riser held in hand compress the riser spring by grabbing the riser seal assembly FIGURE 27 pressing downward and then hold riser firmly to prevent the spring from moving upwards Note Riser assembly must be removed to change nozzles This is necessary since stator setting must also be adjusted when changing nozzles See section titled Stator Adjustments Why and When Are They Needed The G70 riser has two color coded opposing nozzles All G70 nozzles are retained in the nozzle housing turret with setscrews FIGURE 28 Each setscrew has a 3 32 inch Allen wrench recess at the top When replacing both G70 nozzles it is important to note that the nozzles must be the same color These color coded sets offer the optimum efficiency for each flow range On the G O s rubberized logo cap locate the two opposing arrowhead shaped areas directly above the nozzles FIGURE 29 Insert the metal end of
38. ement G70 Risers 13 Solenoid Pilot Valve amp Regulator Servicing 6995 Nozzle Replacement G35 amp G75 Risers 14 Access To Flange Compartment Components Nozzle Replacement G80 Risers 15 Selector Cap Removal Nozzle Replacement G90 Risers 16 Solenoid amp Pilot Valve Assembly Removal Nozzle Replacement G95 Risers 17 Solenoid amp Servicing And Replacement Riser Seal Replacement G35 G70 amp G75 Risers 19 Pilot Valve Replacement Riser Seal Replacement G80 Risers 20 Connecting Solenoid To The Pilot Valve Riser Seal Replacement 690 amp G95 Risers 22 Attaching The Assembled Solenoid And Riser Filter Screen Servicing All TTS Rotors 24 Pilot Valve To The Flange Compartment Stator Adjustments Attaching Selector Cap To The Solenoid Why And When Are They Needed 25 Pressure Regulator Purpose Settings Stator Adjustments G35 G70 amp G75 Risers 25 And Adjustment Procedures Stator Adjustments G80 Risers 26 Pressure Regulator Adjustment Stator Adjustments G90 amp G95 Risers 27 Pressure Regulator Replacement Riser Replacement Full Circle Risers 27 Attaching The Flange Compartment Lid Riser Replacement G35 G75 amp G95 Adjustable Part Circle Risers 28 I Learn more Visit hunterindustries com golt TABLE OF CONTENTS INSTALLATION amp OPERATION INSTALLATION AND OPERATION Pipe Connections All Models All T
39. emove the white lower snap ring insert the metal end of the Snap Ring Tool into one of the eyelets Next twist the Snap Ring Tool s handle while forcing the tip of the tool towards the center of the rotor s body cavity FIGURE 89 This action will disengage one end of the white lower snap ring from the recessed groove at the base of the rotor s body With the white lower Snap ring disengaged from the groove pull the tool upward to remove the white lower snap ring FIGURE 90 FIGURE 88 FIGURE 89 FIGURE 90 Hunter TABLE OF CONTENTS INLET VALVE SERVICING 38 metal pins on the tool into the holes at the bottom of the inlet valve s screen FIGURE 98 While holding the TTS Valve Flushing Tool in the palm of one hand and the top of the inlet valve with the other hand lower the inlet valve into the bucket of water To clean amp flush contamination from the valve firmly push the tool into the valve FIGURE 99 Resistance will be felt as the valve s internal spring is compressed Cycle the valve open amp closed with the tool multiple times while holding it submerged in the bucket of water Remove the valve from the water and inspect for any remaining contamination INLET VALVE SERVICING ALL MODELS Inlet Valves also commonly known as foot valves do not have serviceable internal parts and the valves are welded together as an assembly As a result inlet valves cannot be taken apart Any disassembly o
40. f an inlet valve will lead to a valve that is no longer usable Contamination within the inlet valve can cause the valve to leak To remove contamination within the inlet valve follow the procedures below Fill a bucket with clean water Using the TTS Valve Flushing Tool insert the stainless steel FIGURE 98 FIGURES I Learn more Visit hunterindustries com golt INLET VALVE REMOVAL I TABLE OF CONTENTS To remove the inlet valve it is necessary to align the pointer arrow on the G900 Valve Tool with the alignment dot on the rotor s flange The alignment dot is centered on the flange compartment lid adjacent to next to the body cavity opening A second alignment dot is located below the lid in case the flange compartment lid has been removed Align the pointer arrow on the tool with the alignment dot FIGURE 94 and lower the tool into the rotor s body FIGURE 95 As the G900 Valve Tool is lowered into the rotor s body recessed areas on the black plastic part on the tool will engage vertical rails inside the body wall The tool must engage these rails or the tool will not align with the inlet valve below Continue pressing downward compressing the spring on the G900 Valve Tool While holding the tool down with the spring compressed turn the tool s handle clockwise until it stops Next release the spring s compression by lifting the handle slightly on the G900 Valve Tool This action hooks and locks the inlet valve to the to
41. f the shroud take note that the large nozzle arrow on top of the shroud s rubberized logo cap is orientated directly over the larger long range nozzle FIGURE 34 This will help with the shroud installation process later While firmly holding the compressed spring and seal assembly downward grab and lift the shroud off the nozzle housing FIGURE 35 If preferred slowly lift and release the compressed spring and seal assembly then remove them from the riser assembly Note the orientation of the seal assembly for installation later Or alternatively continue to firmly hold the compressed spring and seal assembly downward while removing and replacing nozzles To remove the G80 long range primary nozzle use needle nose pliers to grab the nozzle s orifice then pull outward FIGURE 36 Discard the old nozzle as the removal process can damage the nozzle and negatively affect its performance Prior to nozzle replacement note that there is a notch recessed area on the nozzle s outer ring Insert the replacement nozzle into the nozzle housing with this recess positioned at the top The correct orientation of the recessed area is important as it is part of the G80 s nozzle retention system Press in firmly until the nozzle stops The G80 s short range and mid range nozzles are performance matched to all G80 long range nozzles As aresult replacement of these nozzles is normally required only when a nozzle has been damaged If replacement does
42. find the screw that has a pointer arrow engraved around the head of the screw FIGURE 81 This pointer is used to indicate the direction and alignment that the tool must have as it is inserted into the rotor s body A second pointer arrow is located directly below on the underside of the G800 Valve Tool FIGURE 82 Hunter TABLE OF CONTENTS INLET VALVE REMOVAL tool s black plastic part First look at the top inside diameter inner circle of the black plastic part on the tool Next find the small pointer arrow that protrudes towards the center FIGURE 92 This pointer is used to indicate the direction and alignment that the tool must have as it is inserted into the rotor s body Directly below the pointer on the underside of the G900 Valve Tool there are a series of raised tabs The tab directly below the pointer appears to be missing but this gap between tabs is intentional it is designed to be this way When the tool is nested to the valve the gap provides clearance for the inlet valve s communication port d 1 i FIGURES 36 Once the white lower snap ring has been removed the inlet valve is released and is ready for removal 6900 Series inlet valves are removed from the body using the G900 Valve Tool Prior to using the tool familiarize yourself with the individual features of the G900 Valve Tool First notice there are hooks at the end of each metal bar FIGURE 91 These hooks are used to gr
43. he 6905 primary nozzle has a protruding rail that must engage the slot on the right side of the nozzle opening Understanding this will help during the installation process later Using needle nose pliers grab the nozzle s outer ring next to the recess on the right side of the nozzle opening and then pull outward If necessary grab the nozzle s orifice to gain a better grip Discard the old nozzle as the removal process can damage the nozzle and negatively affect the performance Insert the replacement nozzle into the nozzle housing Press firmly until the nozzle stops Turn the nozzle retaining setscrew clockwise while making sure that the setscrew does not distort the nozzle Lower the setscrew in front of the nozzle only as far as necessary to prevent nozzle movement Take care not to position the setscrew in front of or against the nozzle s orifice as performance can be negatively affected If the nozzle size or color has been changed please note that the adjustable stator will likely need to be reset Refer to the Stator Adjustment section in this manual for information on how to reset the stator The 6905 short range and mid range nozzles are performance matched to all G90 long range nozzles As aresult replacement of these nozzles is normally required only when a nozzle has been damaged If replacement does become necessary it is important to note that these nozzles must be installed in the correct orientation for optimal performance
44. he flange compartment should be used to make the Control Tubing connections to the rotor This allows for tubing connections pressure tests and flushing of the control lines all without digging Converting C O M models to the Hydraulic configuration Remove the two Stainless steel screws and lift the flange compartment lid to expose the flange compartment Find the end of the inch tubing that comes into the flange compartment from the bottom of the rotor FIGURE 4 Check O Matic C versions of TTS rotors can be converted for use in Normally Open Hydraulic systems by removing the end cap on the inch tubing To do so slide the 4 inch tube retainer towards the end of the tube FIGURE 5 Then pull to remove the end cap with attached 1 4 inch tube retainer from the brass connector fitting FIGURE 6 To connect the 1 4 inch control tube from the controller to the TTS rotor tubing insert inch tubing from controller into the bottom of the flange compartment Next slide the 1 4 inch tube retainer from end cap supplied with rotor onto the 1 4 inch Control Tubing Then connect the inch Control Tubing to the rotor s inch Control Tubing by pressing together at the brass fitting Finally slide the 1 4 inch tube retainer towards the brass fitting to lock the tube in place FIGURE 4 FIGURE 5 FIGURE 6 Hunter TABLE OF CONTENTS RISER REMOVAL Snap ring press the tool s handle downward and away fro
45. he nozzle opening Understanding this will help during the installation process later Using needle nose pliers grab the nozzle s outer ring next to the recess on the right side of the nozzle opening and then pull outward FIGURE 42 If necessary grab the nozzle s orifice to gain a better grip Discard the old nozzle as the removal process can damage the nozzle and negatively affect its performance The G95 s short range and mid range nozzles are performance matched to all G95 long range nozzles As a result replacement of these nozzles is normally required only when a nozzle has been damaged If replacement does become necessary it is important to note that these nozzles must be installed in the correct orientation for optimal performance Prior to removal of the G95 s short range or mid range nozzle note the differences between Insert the replacement nozzle into the nozzle the nozzle on the lett and right housing Press firmly until the nozzle stops G95 Adj Arc The short range nozzle is black and on the left side date codes 0511 and Prior 6 The short range nozzle is red and on the left side date codes 0611 and after The mid range nozzle is green and on the right side FIGURE 40 N FIGURE 40 FIGURE 41 FIGURE 42 I Learn more Visit hunterindustries com golf 18 NOZZLE REPLACEMENT TABLE OF CONTENTS To remove the long range primary nozzle first note the nozzle s orientation prior to removal T
46. he solenoid wire splice connections if the original connecting splices were completed within the rotor s flange compartment In ground with questionable wire splice connections dig around the rotor to access the solenoid splice connections Remove the connectors If possible run controller wires into the rotor s flange compartment and splice wires to solenoid s wires using appropriate grease filled connectors If not possible feed replacement solenoid s wiring through hole at the bottom of the flange compartment Splice controller wires with solenoid s wires using appropriate grease filled connectors Choose either of the Hunter DC solenoid s lead wires when making each splice as there is no specific polarity required Hunter 5 CONNECTING SOLENOID TO PILOT VALVE I TABLE OF CONTENTS TABLE OF CONTENTS ATTACHING SOLENOID ASSEMBLY CONNECTING SOLENOID TO THE PILOT VALVE ATTACHING THE ASSEMBLED SOLENOID AND PILOT VALVE To ensure that the On Off Auto feature functions properly follow the procedure outlined below TO THE FLANGE COMPARTMENT The TTS rotor s Solenoid has double lead threads If this procedure is not followed the Solenoid With the Solenoid and Pilot Valve correctly that the rotor s flange compartment is at the can be attached to the Pilot Valve 180 degrees out of position While the On Off Auto feature will assembled as outlined above look at the 6 00 position closest to you Next lower the func
47. ical in order to allow the valve s rock screen to enter the inlet of the body Once the inlet valve reaches the bottom continue pressing firming to securely seat the inlet valve 42 FIGURE 109 FIGURE 110 With the valve s communication port and or the slot feature aligned to the dot on top of the rotor carefully lower the inlet valve into the rotor s body If the inlet valve is properly engaged with the vertical rail in the body it will not be possible to rotate the inlet valve If the inlet valve can be rotated in either direction pull the inlet out and I Learn more Visit hunterindustries com golt INLET VALVE INSTALLATION TABLE OF CONTENTS Next slightly rotate the tool counter clockwise to the 11 30 position This alignment will allow the two metal hooks on the G800 Valve Tool to pass through the two correct openings around the outside of the inlet valve Press the metal hooks through the openings Continue pressing the inlet valve and G800 Valve Tool together compressing the spring on the tool FIGURE 106 While holding the tool down with the spring compressed turn the tool s handle clockwise until it stops Next release the spring s compression by lifting the handle slightly on the G800 Valve Tool This action hooks and locks the inlet valve to the tool Check to make sure that the pointer arrow on the tool is directly above the communication port on the inlet valve and that the valve is securely hooked to the tool
48. ized main line or sub main piping This pressurized piping must be depressurized before servicing the inlet valve Serious bodily injury can occur if valve is removed when the piping is pressurized Keep head and body parts away from the rotor s exposed internal openings at all times Wear proper eye protection and use the designated tools when servicing these rotors TOOLS NEEDED varies with rotor model Once the riser assembly has been removed the following tools are used to remove service and replace inlet valves gt G800 Valve Tool PN 604000 gt 16 Needle Nose Pliers Tool PN 475600 gt G900 Valve Tool PN 052805 gt Snap Ring Tool PN 052510 gt Manual Extraction Pump Tool PN 460302 lt TTS Valve Flushing Tool PN 609400 VALVE IDENTIFICATION It is important to note that there are different types of inlet valves also commonly known as foot valves If the incorrect inlet valve is installed the rotor will malfunction Hunter has a color coding system to help correctly identify these valves 68006 Check O Matic Rotors Black screen attached to valve FIGURE 72 Electric V I H Rotors Tan screen attached to valve FIGURE 73 6800 609000 Check O Matic Rotors Black screen attached to valve FIGURE 74 Electric Rotors White screen attached to valve FIGURE 75 6900 Warning If a black screened inlet valve is installed into an electric valve in head rotor the rotor will not shut off
49. lignment dot and lower the assembled tool white lower Snap ring and inlet valve into the rotor s body Caution f snap ring is not fully seated in the snap ring groove the valve may be expelled from the rotor when the piping is re pressurized Serious bodily injury can occur Keep head and body parts way from the rotor when piping is being re pressurized FIGURE I22 FIGURE 123 I Learn more Visit hunterindustries com golt INLET VALVE INSTALLATION I TABLE OF CONTENTS Next place the snap ring on top of the G900 valve as shown FIGURE 117 Make sure that the Snap ring s upper side thinnest side is facing upwards Now rotate the snap ring so that the open ends of the snap ring are directly over the valve s communication port FIGURE 118 This prevents the metal bar on the valve tool from interfering with the seating of the snap ring in the body With the white lower snap ring resting on top of the valve as shown load the inlet valve and snap ring to the valve installation tool To do so hold the inlet valve and snap ring in one hand with the top facing toward you Rotate the inlet valve in your hand so that the communication port located on the side of the inlet valve is at the 12 00 position while holding it in your hand FIGURE 119 In the other hand hold the 900 Valve Tool by the handle The tool needs to be held so that the pointer arrow FIGURE 120 located on the inside of the ring at the top of the tool is also oriente
50. ll end of the T handle tool or the plastic end of the Hunter wrench into the riser s adjustment socket The adjustment socket can be found on the riser s rubber cover by locating the circular depiction with arrows going in opposite directions FIGURE 24 Insert the tool through the rubberized membrane to engage the adjustment mechanism Again all arc adjustments must be made with the turret oriented to the right fixed side of the arc as outlined in the previous section To increase the arc of coverage insert the tool into the adjustment socket FIGURE 25 and make sure the nozzle housing is at the right arc stop position Each full turn of the tool to the right clockwise will increase the arc by 45 degrees Two full turns of the tool will result in a 90 degree increase in the arc of coverage The arc is infinitely adjustable from 40 to 360 degrees When maximum arc is reached the tool will FIGURE 24 FIGURE 25 I Learn more Visit hunterindustries com golf ARC ADJUSTMENT PREPARATION I TABLE OF CONTENTS ARC ADJUSTMENT PREPARATION G35 G75 685 amp G95 PART CIRCLE RISERS All Hunter adjustable arc rotors have a fixed stop on the right side of the arc and an adjustable stop on the left side of the arc Arc adjustments can be made with the riser in hand or after installation with the rotor not activated or while the rotor is in operation For convenience of installation new rotors from the factory are set to approximate
51. ly 180 degrees and the long range nozzle is positioned to the right fixed side of the arc Before setting the arc it is necessary to first establish where the right side fixed arc stop is located FIGURE 21 FIGURE 22 FIGURE 23 With any adjustable riser held in hand to expose the rotate able nozzle housing also known as the turret press down on the riser seal assembly to compress the riser s retraction spring FIGURE 21 Seal assembly must be held in this position If riser is installed within the rotor s body the lift socket and tool can be used to expose the turret FIGURE 22 Rotate the nozzle housing back and forth until the right side arc stop is found This is the fixed non adjustable side of the arc All adjustments should be made with the nozzle housing in this right stop position With riser installed and rotor operating FIGURE 23 Rotate the nozzle housing back and forth until the right side arc stop is found This is the fixed non adjustable side of the arc All adjustments should be made with the nozzle housing in this right stop position Hunter TABLE OF CONTENTS NOZZLE REPLACEMENT NOZZLE REPLACEMENT G35 amp G75 RISERS To view and replace the nozzles it is necessary to needle nose pliers grab the right side of the nozzle on its outer ring and pull outward to remove the nozzle In some cases it may be necessary to grab the nozzle s orifice to remove the nozzle Discard the old nozzle
52. ly sits on top of the retraction spring and has two sealing surfaces First the seal block has an O Ring around the outside If the O Ring is damaged deteriorated or missing the riser will leak water while the sprinkler is operating The second sealing surface on the seal block assembly is on the underside The angled surface on the underside of the seal block assembly is the interface for the face seal If this angled interface surface is cut or otherwise damaged the riser can leak water during sprinkler operation The face seal is the second primary component to the G90 and G95 riser seal design The face seal is the white plastic angled ring that is position at the base of the riser If the face seal is damaged deteriorated or missing the riser will leak during sprinkler operation If the riser is leaking during sprinkler operation the O Ring the interface and the face seal must be inspected in order to determine the cause of the leakage If the O Ring is damaged it can easily be replaced by removing the damaged O Ring from the seal block and replacing it with a new one Use care to ensure that the O Ring is not cut or twisted during the installation process If the interface is damaged the entire seal block must be replaced Also if the interface is damaged it is highly likely that the face seal is also damaged and needs replacement To replace the face seal slide it upwards and off the riser assembly Replacement face seals must fit very
53. m the center of the rotor As the tool is pressed downward the snap ring will lift from the rotor While using the tool to hold the snap ring in this elevated position use the other hand to pull the snap ring from the rotor FIGURE 17 If the snap ring s rubberized wiper seal appears to be the only part that is lifting the tool has not penetrated into the snap ring far enough FIGURE 17 be located by finding the raised line depiction of the socket s shape FIGURE 18 G990 and G995 risers have a removable rubberized logo cap so the lift up socket is accessed after removing the logo cap directly on top of the riser FIGURE 19 In some cases the riser can simply be pulled from the rotor s body by hand once the upper Snap ring assembly is removed FIGURE 20 FIGURE 20 To remove the snap ring assembly hold Snap ring Tool vertical over the rotor s upper snap ring area Align the metal end of the snap ring tool to the indicator on the snap ring s rubberized wiper seal FIGURE 15 Use the palm of the other hand to drive the tool downward amp through the rubberized membrane FIGURE 16 Tool should penetrate about 1 4 inch into the snap ring assembly While holding the tool within the ii FIGURE 15 FIGURE 16 RISER REMOVAL ALL MODELS To remove the riser assembly first remove the upper snap ring as outlined above Insert the Hunter Wrench T Handle Tool or tip of the Snap Ring tool into
54. nozzle on the left and right When facing the short range and mid range nozzles Prior to removal of the short range or mid range nozzle note the differences between the G80 Full Circle The short range nozzle is black and on the right side The mid range nozzle is blue and on the left side prior To install the nozzle housing shroud position the shroud over the nozzle housing The single opening for the Primary long range nozzle in the shroud must be positioned directly over the nozzle Press into position and confirm all three nozzle openings are lined up with the nozzles inside Install the stainless steel screw into the rubberized logo cap by turning it clockwise until hand tight If the nozzle size or color has been changed please note that the adjustable stator will likely need to be reset Refer to the Stator Adjustment section in this manual for information on how to reset the stator nozzle housing turret with three setscrews FIGURE 38 amp 39 Each setscrew has a 3 32 inch Allen recess at the top Insert the metal end of the Hunter wrench or a 3 22 inch wrench into setscrew that is above the nozzle to be replaced Engage the setscrew and turn counter clockwise until the bottom of the setscrew clears the top of the nozzle To remove the short or mid range nozzle grab and rotate the nozzle 90 degrees to the outside away from turret then wiggle and pull it upward To install a short range or mid range nozzle
55. ol Finally pull upward on the tool s handle to remove the tool and inlet valve from the rotor s body FIGURE 96 FIGURE 94 FIGURE 95 FIGURE 96 Important Take note of how the G900 Valve Tool nests with the attached inlet valve This will help later when attaching the inlet valve to the tool prior to inlet valve installation To disengage the inlet valve from the G900 Valve Tool hold the inlet valve with one hand and the tool with the other hand Next push the tool s handle toward the inlet valve to compress the tool s spring With the spring held compressed rotate the tool s handle counter clockwise to release the tool s hooks from the inlet valve FIGURE 97 Hunter 37 INLET VALVE INSTALLATION I TABLE OF CONTENTS TABLE OF CONTENTS INLET VALVE INSTALLATION INLET VALVE INSTALLATION SAFETY WARNINGS In order to engage the inlet valve and white lower To install the inlet valve into the rotor s body Snap ring with the G800 Valve Tool properly you first load the white lower snap ring to the tool Caution If inlet valve also commonly known as a foot valve is not properly installed and held aes ae must be familiar with the pointing and alignment Hold the white lower snap ring in the palm of securely in place with a properly installed snap ring the inlet valve can be expelled from the rotor when the piping is re pressurized Serious bodily injury can occur Keep head and body parts away fe
56. on port and or the slot feature with the alignment dot on the rotor s flange FIGURE 110 The alignment dot is centered on the flange compartment lid adjacent to next to the body cavity opening A second alignment dot is located below the lid in case the flange compartment lid has been removed A distinct click sound should be heard as the Snap ring is released and engages the snap ring groove in the rotor s body cavity After the inlet and white lower snap ring have been properly seated press down on the tool then rotate counter clockwise to disengage the tool s metal hooks from the inlet valve Next raise the G800 Valve Tool out of the body Finally take whatever time is necessary to visually confirm that every part of the white lower snap ring is securely seated into the snap ring groove Inlet valve installation option 2 The alternative method to installing the G800 inlet valve is to use the 16 Needle Nose Pliers Tool First look at the top of the inlet valve and notice the raised wall or rib that protrudes upward from the center During installation the 16 Needle Nose Pliers Tool is used to grab this protruding rib on the inlet valve Next look at the side of the inlet valve and notice the communication port During installation this Start again With the inlet valve engaging the body s vertical rail continue lowering the valve into the rotor s body It is important to keep the inlet valve vert
57. ool With the white lower snap ring loaded to the FIGURE 102 underside of the G800 Valve Tool load the inlet valve to the tool To do so hold the inlet valve If needed a small amount of Dow Corning 111 Valve Lubricant or pure petroleum jelly like in one hand with its top facing toward you Vaseline can be used around the O Ring on the inlet valve In most instances residual water G800 Valve Tool includes a feature that will FIGURE 105 Rotate the inlet valve in your within the rotor s body cavity is sufficient lubrication for inlet valve installation hold the white lower snap ring in position during installation The white lower snap ring The underside of the black plastic part on the hand so that the communication port located on the side of the inlet valve is at the 12 00 7 g f l Caution Use of other non lan setae can and the plastic 01 be oriented correctly in the e the position while holding it in your hand In the rotors Stress cracks or leaking caused by the use of improper lubricants are not covered under raised areas at each end of the snap ring must other hand hold the G800 Valve Tool by the warranty be facing the black plastic part on the tool The handle The tool needs to be held so that the white lower snap ring must be loaded to us pointer arrow located at of one of the three G800 Valve Tool correctly If the snap ring is screws on top of the tool is also oriented
58. r seal facing up and the snap ring open ends at the top The snap ring end on the left must be installed first FIGURE 65 Lay the snap ring on top of the rotor and use the left thumb to force the left open end of the snap ring into the upper snap ring groove within the body FIGURE 66 Once engaged the remaining portion of the snap ring can be installed by pressing in a counter clockwise motion around the snap ring FIGURE 67 Install the rubberized logo cap using a Phillips screwdriver Tighten the stainless screw clockwise until the screw is hand tight Do not over tighten FIGURE 65 FIGURE 66 FIGURE 67 UPPER SNAP RING INSTALLATION 6900 SERIES Hold the snap ring in front of you with the wiper seal facing up and the snap ring open ends at the top The snap ring end on the left must be installed first Lay the snap ring on top of the rotor and use the left thumb to force the left open end of the snap ring into the upper snap ring groove within the body FIGURE 66 Once engaged the remaining portion of the snap ring can be installed by pressing in a counter clockwise motion around the snap ring FIGURE 66 FIGURE FIGURE 68 Prior to installing the rubberized logo cap the riser assembly must be pulled up above the upper Snap ring s rubberized seal If this procedure is not followed the rubberized logo cap s stainless Steel screw cannot reach the riser assembly below and attachment will be impossible To pull the riser
59. r to make the opening as round as possible Place the end of the tube to the Pressure Regulator s center connection point then press and wiggle into position Make sure the tube goes in as far as possible Next connect the outlet tube going to the rotor s body wall If removed attach the Solenoid and Pilot Valve to the flange compartment Finally insert Pressure Regulator into any convenient available location within the flange compartment Hunter ay Hunter Helping our customers succeed is what drives us While our passion for innovation and engineering is built into everything we do it is our commitment to exceptional support that we hope will keep you in the Hunter family of customers for years to come UR A A Gregory R Hunter President of Hunter Industries Website hunterindustries com Customer Support 760 744 5240 Technical Service 760 591 7383 is an international organization established to promote the responsible management of the world s forests 100 Wind This brochure was printed on Forest Stewardship Council FSC certified paper with soy inks The FSC Printed using Energy RECs ay 2014 Hunter Industries Incorporated Please recycle GLIT O71 A 4 14
60. re is still within the line and this pressure is preventing the inlet valve from moving downward To relieve this pressure activate a near by quick coupler or turn the rotor s selector cap to the manual ON position Warning rotor may activate for a brief period of time Use the 16 Needle Nose Pliers Tool to press downward on the inlet valve again The white lower snap ring and inlet valve are now ready for removal 32 the designated tools when servicing these rotors With the main line or sub main depressurized and the riser assembly removed proceed with disengaging the 6800 inlet valve s safety interlock feature as follows Remove the water inside the rotor s body using a manual hand pump Look into the body cavity and take note of the white lower snap ring and just below the black top of the inlet valve FIGURE 76 The white snap ring may be Stained from the water making it gray or brown colored FIGURE 77 To help prevent removal of the inlet valve with the main line or sub main pressurized a safety interlock feature has been added to the white lower snap ring Before the white lower snap ring and inlet valve can be removed this safety interlock feature must be disengaged FIGURE 76 7 I Learn more Visit hunterindustries com golt INLET VALVE REMOVAL I TABLE OF CONTENTS INLET VALVE REMOVAL Service And Installation Caution Electric valve in head rotors are connected to pressur
61. rientation in order for the seal riser assembly Slowly release the compression assembly to function properly of the retraction spring until it is fully extended and no pressure is felt If any one of the three parts in the seal assembly needs replacement it is highly recommended Prior to removing the riser seal assembly note that all three components be replaced To the orientation and sequence of the three reassemble the riser place the seal assembly individual seal assembly parts FIGURE 46 on top of the retraction spring and then compress The Upper Seal Support is ontop and its lower While firmly holding the retraction spring and surface nests perfectly with the top of the riser seal assembly down place the logo cap assembly seal The Riser Seal is the rubberized part inthe ontop of the riser in the correct orientation middle The Lower Seal Support also known as Insert the two stainless steel screws through the Upper Spring Support has an upper surface the rubberized membranes on the logo cap and that nests perfectly to the lower surface of the hand tighten with a Phillips screwdriver Riser Seal The Support s lower surface also RISER SEAL REPLACEMENT G80 RISERS The G80 riser seal block assembly and the necessary to fully compress the riser spring by compressed retraction spring are retained on grabbing the riser seal block assembly pressing the riser with the shroud logo cap assembly It downward and then holding riser firmly
62. rn This action ensures that the correct first thread on Solenoid engages the first thread on the Pilot Valve Now press the Solenoid amp Pilot Valve together while threading the Solenoid clockwise onto the Pilot Valve Next the Solenoid must be placed in the Auto position To do so keep turning the Solenoid clockwise onto the Pilot Valve until it stops bottoms out Do not tighten Then turn the Solenoid counter clockwise until you feel the first Detent Ring click FIGURE 138 This is the Auto position To check for proper alignment position the connected Solenoid and Pilot Valve assembly in your hand so you are looking at the top Next rotate the Solenoid and Pilot Valve assembly until the flat on the Solenoid is at the 12 00 position do not unthread Solenoid from Pilot Valve With the Solenoid s flat in the 12 00 position the Pilot valve s fittings should be at the 3 00 position If the fittings are not at the 3 00 position disconnect and repeat the procedure FIGURE 141 FIGURE 142 FIGURE 137 FIGURE 138 o 53 Hunter I Learn more Visit hunterindustries com golt 54 TABLE OF CONTENTS PRESSURE REGULATOR ADJUSTMENT Pressure Regulator Settings All electric valve in head TTS rotors have adjustable Pressure Regulators One of the many beneficial features of the TTS rotor is the fact that the Pressure Regulation is conveniently adjustable yet hidden within the flange compartment This prevents untraine
63. rns the Solenoid when the notice that the Solenoid wires run over the top user changes the ON AUTO OFF settings Under of the Solenoid and out of the Selector Cap on normal operating conditions the Selector Cap the side of the Solenoid that has the flat surface Should not need replacement The Selector Cap Also note that the Solenoid wires are positioned can become damaged if the incorrect tool side by side and not twisted To remove the is used to make ON AUTO OFF selection Selector Cap simply lift it up and away from the adjustments Prior to removing the Selector Cap Solenoid FIGURE 129 FIGURE 128 77 I Learn more Visit hunterindustries com golt 48 SOLENOID PILOT VALVE amp REGULATOR SERVICING I TABLE OF CONTENTS SOLENOID PILOT VALVE amp REGULATOR SERVICING All Electric VIH Models Caution Electric valve in head rotors are connected to pressurized main or sub main piping This pressurized piping must be depressurized before servicing the rotor This rotor will activate turn on if Solenoid is loosened or if Solenoid is removed or if Pilot Valve is removed or the supply tubing is cut High velocity water streams and flows are emitted from the rotor Bodily injury can occur if the water stream hits the face eyes ears or other body parts Keep head and body parts away from water stream Wear proper eye protection and use the designated tools when servicing these rotors Whenever possible keep head and body parts away from
64. rt with the three sections extending outward from the center FIGURE 57 This black part on G70 and G75 risers is called the adjustable stator plate Beneath the adjustable stator plate is a gray non removable part with the three openings This part is called the stator The stator has a series of numbers engraved into the plastic These numbers are the nozzle size reference numbers To make an adjustment use the blade end of the snap ring tool or a bladed screwdriver to lift the adjustable stator plate off the stator To do so place the tool under one of the two tabs on the post at the center of the stator FIGURE 58 Pry the tab upward and the stator plate will snap off d i FIGURE 57 FIGURE 58 FIGURE 59 Hunter TABLE OF CONTENTS RISER REPLACEMENT RISER REPLACEMENT G35 G75 amp G95 ADJUSTABLE PART CIRCLE RISERS the landscape area to be irrigated Drop the riser into position within the rotor s body For convenience of installation new rotors from the factory are set to approximately 180 degrees and the long range nozzle is positioned to the right fix side of the arc Arc adjustments can be made with the riser in hand before installation after installation or while the rotor is in operation Adjustable part circle risers must be inserted such that the arc setting aligns to the area to be irrigated All Hunter adjustable arc rotors have a fixed stop on the right side of the arc and an adjustable stop on the lef
65. sing the top of the riser assembly It is necessary to downward and then holding riser firmly to remove the retainer cap inorder to replace the prevent the spring from moving upwards Caution The riser assembly is under spring tension Eye protection should be worn and safe handling procedures followed when servicing this product Hold the riser seal assembly down with one While still holding the compressed riser seal hand Locate the two screws that hold the assembly and retraction spring with one hand retainer cap to the riser assembly FIGURE use the other hand to grasp the bottom of the 52 Use a Phillips screwdriver to engage each riser assembly Slowly release the compression retaining screw and turn counter clockwise of the retraction spring until it is fully extended to remove Prior to removing the G90 or G95 and no pressure is felt Note the orientation retainer cap note its orientation as it relates of the riser components to help with assembly to the nozzles below This will help with the later FIGURE 53 assembly process later Remove the retainer cap and set aside FIGURE 47 FIGURE 48 FIGURE 49 FIGURE 30 8 Learn more Visit hunterindustries com golf 22 RISER SEAL REPLACEMENT TABLE OF CONTENTS The riser seal on G80 risers include two primary components the seal block assembly and the face seal The seal block assembly sits on top of the retraction spring and has two sealing surfaces First the seal block
66. t comes from the rotor s Inlet Valve at the bottom of the rotor The upper tube goes from the Pilot Valve to the inlet of the pressure regulator To replace the Pilot Valve use side cutters or blade to make clean cuts at points just before the fittings on the Pilot Valve Trim amp remove the remaining tube from fittings 52 Solenoid be pulled into the flange compartment In ground good quality wire splice connections Hold the defective solenoid in one hand and cut the defective Solenoid s two lead wires at a point close to the defective solenoid Splice the lead wires from the defective solenoid to the new solenoid s lead wires using appropriate grease tilled connectors If needed the new Solenoid s lead wires can be shortened to minimize excess wiring within the flange compartment PILOT VALVE REPLACEMENT See the warning above regarding rotor activation when Solenoid is loosened or Pilot Valve tubing is disconnected There are no serviceable parts within the TTS rotor s Pilot Valve assembly If the filter inside the Pilot Valve becomes obstructed the water flow through the Pilot Valve can be reduced A substantial reduction in water flow through the Pilot Valve will prevent the rotor s Inlet Valve from opening fully FIGURE 136 I Learn more Visit hunterindustries com golt SOLENOID amp PILOT VALVE ASSEMBLY REMOVAL I TABLE OF CONTENTS The plunger assembly is retained within the Solenoid with a sec
67. t side of the arc Rotate the nozzle housing turret back and forth to find the right fixed stop With the riser positioned to the right fixed arc stop orient and point the long range nozzle to the right side of Refer to the page 13 14 in this manual to learn more about the arc adjusting procedures compartment it will be very difficult to remove the snap ring using the snap ring tool For better leverage when removing the snap ring always align the open end of the snap ring ina position that is opposite from the body s flange compartment The second tip for upper snap ring installation concerns the rubberized flaps at each end of the Snap ring To ensure that these rubberized flaps lie flat after installation it is important to install the snap ring correctly Once installed the flap on the left end of the snap ring must be under the flap on the right side end of the snap ring 28 UPPER SNAP RING INSTALLATION TIPS Hunter Golf TTS rotors have upper snap rings with an integrated wiper to help protect the riser and riser seal from external contamination It is important to follow these installation instructions to maximize the effectiveness of this design First it is important to align snap rings so that the open end of the snap ring is not adjacent to next to the flange compartment This will become very important the next time the snap ring is removed If the flange compartment lid has been removed and the open end of
68. t the inlet valve and snap ring FIGURES A distinct click sound should be heard as the Snap ring is released and engages the snap ring groove in the rotor s body cavity After the inlet and white lower snap ring have been properly seated press down on the tool then rotate counter clockwise to disengage the tool s metal hooks from the inlet valve Next raise the G900 Valve Tool out of the body Finally take whatever time is necessary to visually confirm that every part of the white lower snap ring is securely seated into the snap ring groove Check to make sure that the pointer arrow on the tool is directly above the communication port on the inlet valve and that the valve is securely hooked to the tool FIGURE 121 Once the white lower snap ring and inlet valve have been properly secured to the tool rotate the Snap ring so that the snap ring s open ends are 180 degrees away from the pointer arrow to the opposite side of the tool Next insert the assembled tool white lower Snap ring and inlet valve into the rotor s body cavity To do so it is necessary to align the pointer arrow on the 6900 Valve Tool with the alignment dot on the rotor s flange FIGURE 122 The alignment dot is centered on the flange compartment lid adjacent to next to the body cavity opening A second alignment dot is located below the lid in case the flange compartment lid has been removed Align the pointer arrow on the tool with the a
69. table stator plate As the adjustable Stator plate is rotated the various nozzle reference numbers will appear in the cutout window Simply keep rotating the adjustable Stator plate until the desired nozzle number on the gray stator appears in the cutout window Double check to make sure the desired nozzle number is visible in the cutout window Finally install the filter screen as outlined in the filter screen servicing section above 26 To reset and install the adjustable stator plate notice the small cutout on each of the three sections of the adjustable stator plate Next on the stator find the nozzle number that is being used Simply align any one of the cutouts on the adjustable stator plate with the desired nozzle STATOR ADJUSTMENTS G80 RISERS Turn the riser upside down remove the filter screen and view the stator area Notice the black part with the three sections extending outward from the center FIGURE 60 This black part on G80 risers is called the adjustable Stator plate Beneath the adjustable stator plate is a gray non removable part with the three openings This part is called the stator The Stator has a series of numbers engraved into the plastic These numbers are the nozzle size reference numbers FIGURE 60 FIGURE 61 I Learn more Visit hunterindustries com golt STATOR ADJUSTMENTS TABLE OF CONTENTS STATOR ADJUSTMENTS WHY AND WHEN ARE THEY NEEDED The adjustable stator is preset at the
70. the replacement nozzle into the nozzle housing and press firmly until it stops Turn the nozzle retaining setscrew clockwise to a position in front of the nozzle that prevents nozzle movement Take care not to position the setscrew in front of or against the nozzle s orifice as its performance can be negatively affected RISER SEAL REPLACEMENT G35 G70 amp G75 RISERS The G35 G70 and G75 riser seal assemblies and the compressed retraction spring are retained on the risers with the rubberized logo cap assembly It is necessary to remove the rubberized logo cap assembly in order to replace the riser seal assembly To remove the rubberized logo cap assembly it is necessary to fully compress the riser spring by grabbing the riser seal assembly FIGURE 43 pressing downward and then holding riser firmly to prevent the spring from moving upwards Caution The riser assembly is under spring tension Eye protection should be worn and safe handling procedures followed when servicing this product Hold the riser seal assembly down with one hand Using the other hand locate the two hidden screws that retain the rubberized logo cap assembly These can be found by pressing down on the rubberized logo cap close to the H and the r on the Hunter logo FIGURE 44 amp 45 The Phillips headed retaining screws are directly beneath these depressions Insert the Phillips screwdriver through the rubberized membrane and engage each retaining screw
71. the Hunter wrench or a 3 32 inch wrench into the membrane within the arrow that is directly above the nozzle to be replaced Engage the setscrew and turn counter clockwise until the bottom of the setscrew clears the top of the nozzle Note the nozzle s orientation prior to removal to aid in the nozzle installation process Using needle nose pliers grab the right side of the nozzle on its outer ring and pull outward to remove the nozzle In some cases it may be necessary to grab the nozzle s orifice to remove the nozzle Discard the old nozzle as the removal process can damage the nozzle and negatively affect its performance Insert the replacement nozzle into the nozzle housing with the tab positioned to the right Press firmly until it stops Turn the nozzle retaining setscrew clockwise while making sure that the setscrew does not distort the nozzle Lower the setscrew in front of the nozzle only as far as necessary to prevent nozzle movement Take care not to position the setscrew in front of or against the nozzle s orifice as performance can be negatively affected If the nozzle size or color has been changed please note that the adjustable stator will likely need to be reset Refer to the Stator Adjustment section for information on how to reset the stator ees 2 i E ous ar Ao ry es Xf ig AKG FIGURE 27 FIGURE 28 FIGURE 29 Hunter TABLE OF CONTENTS NOZZLE REPLACEMENT
72. the riser s lift socket turn 4 turn and lift the riser from the rotor s body The lift socket for G835 68 0 8 5 G880 04 and G885 models is protected by a rubberized membrane on the rubberized logo cap and can FIGURE 18 FIGURE 19 8 Learn more Visit hunterindustries com golt Hunter UPPER SNAP RING REMOVAL I TABLE OF CONTENTS UPPER SNAP RING REMOVAL G900 SERIES Prior to removal of the upper snap ring assembly the rubberized logo cap must be removed and the riser assembly must be pressed below the snap ring s rubberized seal If the procedure below is not followed the upper snap ring assembly cannot be removed from the G900 Series rotors Remove the stainless screw from the center of the rubberized logo cap using a Phillips screwdriver FIGURE 10 Prior to removing the rubberized logo cap note that the arrows on the logo indicate the position of the nozzles on the riser assembly As the rubberized logo cap is removed note there is a protruding pin on the underside of the logo cap FIGURE 11 This pin is the alignment feature on the rubberized logo cap that must be inserted correctly during assembly in order for the arrows on the rubberized logo cap to be positioned over the nozzles below Note which hole the pin fits into on top of the riser FIGURE 12 Also note that the pin and hole locations are different for the G90 and G95 risers FIGURE 10 FIGURE 11 FIGURE 12 Once the rubberized logo cap is removed use the he
73. the top of the rotor TOOLS NEEDED gt Phillips Screwdriver gt Tubing Clamp Locking Forceps or 4 Tube Retainer gt Flat Blade Screwdriver Side Cutters Dykes or Blade Cutter gt Snap Ring Tool PN 052510 gt Hunter Wrench PN 172000 ACCESS TO FLANGE COMPARTMENT COMPONENTS Using a Phillips screwdriver remove the two stainless steel screws that retain the flange compartment s lid FIGURE 124 A slot is located adjacent to the on off auto selector at the edge of the flange lid Use a bladed screwdriver or the tip of the snap ring tool to pry the flange lid up FIGURE 125 Set the flange lid and screws aside Factory installed flange compartment lids have a large recessed area that can be used for the application of yardage marker placards FIGURE 126 An optional flange compartment lid is available with a raised area for paint filled engraving of the yardage marker FIGURE 127 This optional version is available only as a replacement part FIGURE 124 FIGURE 125 FIGURE 126 FIGURE 127 Hunter 47 TABLE OF CONTENTS SOLENOID amp PILOT VALVE ASSEMBLY REMOVAL the tube retainer over the bent end to hold the tubing closed The pressurized supply tube runs from the inlet area of the rotor and up into the flange compartment then is directly connected to the bottom fitting on the Pilot Valve FIGURE 132 A 4 tubing retainer can be used to pinch the supply tube going into the Pilot Valve Note that
74. the tubing used within the TTS rotor s flange compartment is 18 tubing NOT 4 tubing To do so bend the supply tubing together and slide Caution care needs to be taken so as to avoid damaging the tubing as it is bent closed This procedure is not recommended in cold weather conditions A leaking supply tube will cause the Solenoid Servicing The Plunger assembly and the rubberized Seat Seal are serviceable on Hunter Solenoids To replace a worn or damaged rubberized Seat Seal simply pull the old one off and press the new one into position on the Solenoid s Plunger Since a worn or damaged rubberized Seat Seal can cause the rotor to weep water when the rotor is deactivated it is highly recommended that the rubberized Seat Seal be replaced whenever servicing the Plunger assembly 50 rotor to weep water while deactivated 132 Separate the Solenoid from the Pilot Valve Remove the Solenoid from Pilot Valve with counter clockwise turns Pull to separate the Solenoid from the Pilot Valve FIGURE 133 The gray plastic part at the base of the Solenoid is called the Detent Ring When the Solenoid is attached to the Pilot Valve the Detent Ring interacts with the Pilot Valve to create the Auto position s detent the stopping point when moving the Selector Cap to the Auto position Under normal operating conditions the Detent Ring will not need replacement If the solenoid needs to be replaced it will also b
75. tion if connected out of position it will function much better if connected correctly bottom of the Pilot Valve Notice there are two Solenoid and Pilot Valve assembly FIGURE 141 opposing sections of plastic that protrude to the into the flange compartment with the Pilot First notice that there is a flat section on one side of the Solenoid FIGURE 137 This flat is used outside and away from the center FIGURE 139 Valve s fittings pointing to the left side 9 00 as a reference when connecting the Solenoid to the Pilot Valve Next notice there is also a flat These two ears must engage the Pilot Valve s position Engage the bottom of the Pilot Valve section along the side of the Pilot Valve at a point opposite of the upper fitting This flat is the mounting base in the body flange compartment with the Pilot s Valve s mounting base located 00 780 during installation FIGURE 140 at the right and rear of the flange compartment With the gray Detent Ring attached to the bottom of the Solenoid bring the Solenoid and the To install the Solenoid and Pilot Valve first Press down to engage Pilot Valve s mounting Pilot Valve together Prior to engaging the Solenoid and Pilot Valve threads align the flats on the position yourself to the side of the rotor such ears FIGURE 142 Solenoid and Pilot Valve then press together Prior to turning Solenoid clockwise you must first turn the Solenoid counter clockwise of a tu
76. to is necessary to remove this assembly in order prevent the spring from moving upwards to service the G80 s riser seal components To FIGURE A7 remove the shroud logo cap assembly it is Caution The riser assembly is under spring tension Eye protection should be worn and safe handling procedures followed when servicing this product Press the riser seal block assembly down with While firmly holding the compressed spring and one hand and hold firmly Locate the stainless seal block assembly downward grab and lift the steel retaining screw on top of the shroud shroud off the nozzle housing then set it aside logo cap assembly FIGURE 48 Use a Phillips FIGURE 49 Slowly lift to release the spring screwdriver to engage the screw and turn compression Note the orientation of the seal counter clockwise to remove Prior to removal block assembly for installation later FIGURE of the shroud take note that the large nozzle 50 Next remove the seal block assembly and arrow on top of the shroud s rubberized logo retraction spring Cap is orientated directly over the larger long range nozzle This will help with the shroud installation process later I Learn more Visit hunterindustries com golf 20 RISER SEAL REPLACEMENT TABLE OF CONTENTS Using needle nose pliers grab the nozzle s orifice then pull outward Discard the old nozzle as the removal process will damage the nozzle and negatively affect the performance Insert
77. to not loaded correctly the valve cannot be loaded the 12 00 position to the tool Inlet valve installation option 1 6800 Series inlet valves are installed in the body using the G800 Valve Tool Prior to using the tool familiarize yourself with the individual features of the G800 Valve Tool First notice there are two metal hooks at the bottom of the tool FIGURE 100 These hooks are used to grab hook the inlet valve during installation The black plastic part of the G800 Valve Tool includes physical features that hold or nest the inlet valve and the white lower snap ring to the tool during installation FIGURE 103 FIGURE 104 FIGURE 105 FIGURE 100 FIGURE 101 FIGURE 102 o 39 Hunter I Learn more Visit hunterindustries com golt AO TABLE OF CONTENTS INLET VALVE INSTALLATION communication port must engage the communication port at the bottom of the rotor s body cavity Now notice that directly above the communication port there is a slot feature on the valve s outside ring FIGURE 109 During installation this slot feature must engage the vertical rail of plastic located on the rotor body s inside wall The vertical rail is located directly above the communication port at the base of the rotor s body cavity Grab the protruding rib on the inlet valve firmly with the 16 Needle Nose Pliers Tool Next insert the inlet valve into the rotor s body cavity It is necessary to align the valve s communicati
78. ure snap fit feature To remove the plunger assembly first notice there is a black knurled ring just below the solenoid s rubberized seat seal Just below the black Knurled ring is a black O Ring The plunger assembly can be removed by forcing the thumb nail under the black knurled ring and pulling to separate the plunger assembly from the solenoid FIGURE 134 Alternatively a small flat bladed screwdriver can be inserted below the black knurled ring and twisted to release the plunger assembly Use care not to damage the black O Ring If the plunger assembly does not stay assembled when removed from the solenoid it is necessary to replace the Plunger assembly Rinse the plunger assembly and solenoid with clean water to remove any contaminating debris If damage or worn replace black O Ring and or rubberized seat seal FIGURE 135 Insert plunger assembly into the solenoid and then press to engage the snap fit feature Finally press on the seat seal to cycle the plunger assembly If plunger does not cycle up and down freely repeat cleaning procedure and or replace the plunger assembly re ee gt S 02 1 0 mr a FIGURE 133 FIGURE 134 FIGURE 135 Solenoid Replacement It is not necessary to dig around the rotor to replace in ground solenoid wire splice connections if there is confidence in both the quality of the splices and the type of connector used It is absolutely not necessary to dig around the rotor to replace t

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