FLX34 & FLX54 Series Rotary Sprinklers Installation
Contents
1. 65 60 14 8 61 15 68 24 8 74 29 3 US 34 2 80 61 16 4 64 20 0 72 27 6 78 32 6 83 38 0 85 40 7 87 44 9 91 50 2 96 55 6 100 63 18 1 67 23 6 75 30 4 81 36 7 87 42 5 90 45 8 93 50 2 95 55 4 99 61 8 FLX54 Series Performance Chart 15 PSI Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM 50 52 132 53 15 8 61 22 0 65 26 0 65 00 3079003070020 80 56 164 58 194 68 276 72 325 75 378 79 404 81 446 85 499 87 553 100 58 18 1 CON in 71 INA aa aa ei etc ee cnn 94 61 5 Stator 102 6929 Blue 102 1940 White 102 1941 White 2 FLX54 5154 FLX54 5558 FLX54 59 Not recommended at these pressures Radius shown in feet Toro recommends the use of a 1 swing joint at flows over 25 GPM 95 LPM Sprinkler radius data collected in Toro s zero wind test facility per ASAE standard 398 1 Actual site conditions must be considered when selecting the appropriate nozzle All sprinklers are equipped with the selectable pilot valve that allows settings at 50 65 80 and 100 PSI Sprinkler Spacing Guidelines Precipitation Rate Formulas e Square Spacing Square spaced sprinklers in pattern Nowind 55 of diameter 4mphwind 50 of diameter GPM of full circle x 96 3 8mphwind 45 of diameter Spacing e Triangular Spacing Nowind 60 of diamet2. Inrush 0 20 Amps Holding SPIKEGUARD Solenoid 24 VAC 50 60 Hz SPIKEGUARD Solenoid 24 VAC 50 60 Hz 0 12 Amp Inrush 0 10 Amp Holding 0 12 Amp Inrush 0 10 Amp Holding Nickel Plated SPIKEGUARD Solenoid 24 VAC 50 60 Hz Nickel Plated SPIKEGUARD Solenoid 24 VAC 50 60 Hz 0 12 Amp Inrush 0 10 Amp Holding 0 12 Amp Inrush 0 10 Amp Holding DC Latching Solenoid Momentary Low Voltage Pulse DC Latching Solenoid Momentary Low Voltage Pulse Integrated GDC Module w DC Latching Solenoid Integrated GDC Module w DC Latching Solenoid Momentary Low Voltage Pulse Momentary Low Voltage Pulse e Manual Control Electric VIH only On Off Auto e Manual Control Electric VIH only On Off Auto e Check O Matic Model checks up to 37 11 2 m of elevation e Check O Matic Model checks up to 37 11 2 m of elevation e Seven Nozzle Variations Nine Nozzle Variations Nozzle Performance Chart FLX34 Series Performance Chart 25 Nozzle Set 31 Nozzle Set 32 Nozzle Set 33 Nozzle Set 34 Nozzle Set 35 Nozzle Set 36 Nozzle Set 37 G Front Yellow Blue Brown Orange Gray Black Nozzle 102 0725 102 7001 102 0727 102 7002 102 6908 102 0730 102 4261 Positions Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 1
3. Valve Assembly Into Position Snap Ring Released Servicing Pilot Valve WARNING Never stand or lean over the sprinkler while the irrigation system is being filled during manual or automatic operation or when performing sprinkler service procedures Direct contact with irrigation spray a failed or improperly installed sprinkler connection or sprinkler components forcibly ejected upward under pressure can cause serious injury Note Refer to Figure 10 for the following Figure 10 procedure Step 1 Make sure that the water supply to sprinkler is positively shut off and any residual pressure has been bled off If the sprinkler is pressurized main valve will open when the pilot valve is disconnected from control tube Step 2 Carefully remove turf and soil from the side of the sprinkler to expose pilot valve and control tubing Step 3 Remove the two retaining screws from the pilot valve housing Step 4 Pull the pilot valve assembly away from the sprinkler body and cut the control tubing just below tube retainer Unless pilot valve has been previously removed control tubing length will be sufficient for re connection Step 5 Remove tube retainer and remaining piece of control tubing from valve body fitting Step 6 Remove the solenoid 1 2 or 3 or Normally Closed actuator 4 by turning it counterclockwise Step 7 Remove the retaining nut 18 and washer 17 from the pressure adjuster 11 and pull th
4. 0 psi 3 4 bar 65 psi 4 5 bar 80 psi 5 5 bar or 100 psi 6 9 bar Indestructable stainless steel valve seat and valve communication tube Body inlet rock screen serviceable from the top All internal components are serviceable from the top of the sprinkler pecifications and Performance Application Data FLX34 Series FLX54 Series e Radius 52 91 15 8 27 7 m e Radius 52 99 15 8 30 2 m e Flow Rate 13 46 9 GPM 49 2 177 5 LPM e Flow Rate 13 2 61 8 GPM 50 234 LPM e Trajectory Selectable 15 or 25 e Trajectory Selectable 15 or 25 e Arc Full Circle 860 e Arc Full Circle 360 e Recommended Operating Pressure e Recommended Operating Pressure 65 100 PSI 4 5 6 9 Bar 65 100 PSI 4 5 6 9 Bar e Minimum Pressure 40 PSI 2 8 Bar e Minimum Pressure 40 PSI 2 8 Bar e Maximum Pressure 150 PSI 10 3 Bar e Maximum Pressure 150 PSI 10 3 Bar e Precipitation Rate e Precipitation Rate Minimum 0 39 hr 9 9 mm hr Minimum 0 38 hr 9 7 mm hr Maximum 0 79 hr 20 1 mm hr Maximum 0 77 hr 19 6 mm hr e Body Height 10 254 mm e Body Height 11 289 mm e Pop Up Height to Nozzle 4 3 16 106 mm e Pop Up Height to Nozzle 4 3 16 106 mm e Inlet Size 1 25 mm NPT BSP or ACME e Inlet Size 1 5 40 mm NPT BSP or ACME e Five electric activation types e Five electric activation types Standard Solenoid 24 VAC 50 60 Hz Standard Solenoid 24 VAC 50 60 Hz 0 30 Amps Inrush 0 20 Amps Holding 0 30 Amps
5. 02 4335 102 4335 102 4335 102 4335 Bk Nozzle Positions Yellow Blue Yellow Orange Yellow Red Yellow Beige Yellow Beige Yellow Red Yellow Gray 102 6937 102 2925 102 6937 102 2926 102 6937 102 2928 102 6937 102 2929 102 6937 102 2929 102 6937 102 6944 102 6937 102 6945 PSI Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM 50 D 13 0 58 15 5 64 29 68 24 4 sa z 65 58 14 6 60 18 0 68 24 4 72 28 1 76 32 2 80 60 16 2 63 20 5 72 26 9 76 31 1 80 35 6 83 38 2 85 41 5 100 62 17 9 66 23 4 75 29 8 79 34 9 84 395 88 43 4 91 46 9 FLX34 Series Performance Chart 15 PSI Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM 50 S a E e ee E E 65 Ss TE T T 61 Da ate 300 H a sa 80 56 160 57 190 65 266 69 310 73 355 76 380 77 413 100 53 zs 3 25 3z 5 7 33 9 75 384 80 43 1 81 468 Stator 102 6929 Blue 102 1940 White Ea FLX34 3134 FLX34 3537 Not recommended at these pressures Radius shown in feet Toro recommends the use of a 1 swing joint at flows over 25 GPM 95 LPM Sprinkler radius data collected in Toro s zero wind test facility per ASAE standard 398 1 Actual site conditions must be considered when selecting the appropriate nozzle All sprinklers are equip
6. 34 or 995 09 for FLX54 to remove valve assembly from base of sprinkler body Valve removal tool is inserted into sprinkler body and pushed through valve ribs A slight twist will catch tool under ribs enabling valve removal by pulling straight up and out See Figure 8 Figure 7 Note If valve removal tool is not available use snap ring pliers to grasp rib of valve cylinder assembly and pull up and out of sprinkler body Step 3 Reinstall valve assembly using valve insertion tool P N 995 76 for FLX34 or 995 101 for FLX54 as follows e Load snap ring onto insertion tool carrier with stepped side against carrier as shown in Figure 9 While holding snap ring in compressed position slide retainer clip in to hold snap ring ears e Load valve assembly on carrier as shown e Locate position of communication tube in bottom of sprinkler body and orient insertion tool accordingly e Insert tool straight down into sprinkler body aligning bosses on t handle with holes on sprinkler body flange When valve assembly clears vertical side wall ribs inside body pull up on snap ring release mechanism FLX54 models only and press valve assembly into position Snap ring will lock into groove when properly installed Remove insertion tool and check snap ring to confirm that it is fully seated in groove Figure 9 Snap Ring In Retainer Clip x_ Snap Ring Release Mechanism Stepped Side of Snap Ring Valve Assembly Orientation In Carrier Press
7. FLX34 amp FLX54 Series Rotary Sprinklers Installation and Service Instructions TORO Count on it Introduction The FLX34 and FLX54 series full circle rotary sprinklers are designed specifically for golf course applications Manufactured from durable high strength engineering plastic and stainless steel components these sprinklers incorporate many innovative and time proven features for lasting maintenance free operation Prior to installing the sprinkler read through the recommended installation and start up procedures Please observe all Warnings and Cautions when installing and operating this equipment Full circle 860 arc coverage Dual trajectory main nozzle adjustment 25 standard or 15 low angle Two additional front nozzle positions Industry s largest precision nozzle selection All nozzles are color coded debris tolerant and threaded in from the front Five electric and two hydraulic activation types o Electric Satellite systems Standard 24 VAC solenoid SPIKEGUARD 24VAC solenoid Nickel plated SPIKEGUARD 24VAC solenoid o Electric 2 wire systems DC Latching solenoid Integrated GDC module w DC latching solenoid o Hydraulic Normally Open valve in head Check O Matic requires remote valve Constant velocity drive and variable stator provide consistent rotation speeds Manual control at the sprinkler ON OFF AUTO electric models only Selectable lockable pressure regulation settings 5
8. e highest point possible and use the compressed air to force remaining water out of the low points and close vents and drains working from high points to low points when clear air is observed Regulate compressed air to 50 psi and cycle each sprinkler ONCE until clear Trajectory Adjustment Procedure The FLX34 and FLX54 sprinkler models are designed with a dual trajectory main nozzle Use the following procedure to select the sprinkler trajection of 15 or 25 Step 1 Using the multi purpose tool P N 995 83 pull the riser from the provided slot in the cap Pull the riser assembly until there is enough clearance for handling and hold onto the riser body Step 2 Remove cap screw and cap to unlock the main nozzle Step 3 Use a 5 8 nut driver P N 995 99 to turn the main nozzle assembly Turn the main nozzle assembly clockwise until the angle indicator points towards the right to set 25 trajection Continue turning the main nozzle clockwise until the angle indicator points towards the left to set 15 trajection See Figure 2 and 3 Step 4 Replace the cap Make sure the main nozzle is secured and retained by the cap Step 5 Secure the cap with the cap screw Figure 3 Radius Reduction FLX34 54 and FLX35 55 Only Not for FLX35 6 55 6 For further refinement of the sprinkler s radius an optional radius reduction screw 363 4839 can be added to break up the main nozzle spray The sprinkler cap provides an installat
9. e line of controller Refer to Controller Service Manual Valve cylinder misaligned with sprinkler body communication tube e Remove valve assembly and install correctly Foreign object keeping valve from seating e Remove clean and check valve for damage Replace if necessary Damaged piston seal or piston assembly e Replace valve assembly Valve won t open Electric Control field wires severed e Isolate and repair No power to controller e Establish controller power No power from controller to solenoid e Check for blown fuse and replace Manual control selector on pilot valve assembly turned to OFF position e Turn to AUTO position Pilot valve solenoid inoperative e Remove and replace Pilot valve plunger movement restricted e Inspect clean and or replace No supply from main valve e Debris in control tube main valve assembly and or communication passages in body Flush thoroughly Valve won t open Hydraulic Plugged controller discharge line or discharge port in pilot valve e Verify by checking for discharge at discharge line when station is activated If no discharge refer to Controller Service Manual Sprinkler Weeping Slow leak in valve Damaged or blocked valve seat e Remove blockage and if necessary replace valve assembly Damaged piston seal or piston assembly e Replace valve assembly Damaged pilot valve discharge seat e Clean or replace pilot valve Damaged p
10. e pilot valve body assembly out of housing 16 Step 8 Remove diaphragm assembly 15 piston 14 spring 13 traveling adjuster 12 pressure adjuster 11 and o ring 7 Step 9 Remove selector shaft assembly 9 and plunger assembly 5 The selector shaft retains the plunger in the valve body Step 10 Thoroughly clean and inspect all parts Replace damaged parts as necessary and reassemble in reverse order Note For service part numbers refer to www toro com and click Parts Select the Irrigation category and search for Pilot Valves Flushing Sprinklers WARNING Never stand or lean over the sprinkler while the irrigation system is being filled during manual or automatic operation or when performing sprinkler service procedures Direct contact with irrigation spray a failed or improperly installed sprinkler connection or sprinkler components forcibly ejected upward under pressure can cause serious injury Step 1 With sprinkler operating carefully step down on center of cap several times Water will flow around riser and flush out debris Step 2 Cycle sprinkler on and off several times to check for proper retraction Cap should be even with top of body flange when fully retracted If riser sticks in up position check for debris lodged between riser and body Flush out all debris Remove sprinkler mechanism if necessary NOTES NOTES 2015 e The Toro Company Irrigation Division w
11. en securely For installation using ACME thread connections do not apply additional sealant ACAUTION ACME fittings incorporate an o ring seal that requires no additional sealant Sprinkler fitting installation Thread the ACME fitting into the sprinkler body and hand tighten until it stops No additional tightening or loosening is required ACAUTION Loosening beyond 270 will result in a thread leak Lateral Mainline pipe installation Thread the ACME fitting into the lateral main line service tee and hand tighten until it stops then loosen up to one full turn to ensure flexible movement of the swing joint Wire Splices A CAUTION Communication cable or station wire connections will deteriorate when exposed to moisture and earth ground causing shorts or open circuits resulting in improper system operation All direct burial wire connections must be done with approved waterproof connections installed in compliance with the manufacturer specifications Contact your Toro Golf Distributor for approved waterproof connectors Always provide a wire service loop for each splice to ensure sufficient wire is available should future servicing be required Connecting Hydraulic Control Tubing Step 1 Route control tubing from the controller to the sprinkler location s Note Leave an 18 45 7 cm service loop of tubing at each sprinkler to facilitate movement of sprinkler and service operations Refer to Hydraulic Control Systems Table
12. er Triangular spaced sprinklers in 4 mph wind 55 of diameter pattern 8mphwind 50 of diameter GPM of full circle x 96 3 e Single Row Spacin 3 i S Spacing 0 866 Nowind 50 of diameter 4mphwind 50 of diameter 8mphwind 45 of diameter e Area and flow Note Designing for zero 0 mph wind conditions is not recommended Total GPM of zone x 96 3 Design for worst wind conditions Total irrigated l l Square feet of zone For additional information refer to Toro Technical Data Manual form number 490 1737 Single row GPM of full circle x 96 3 Spacing Scallop Toro Swing Joints Use Toro swing joints to connect the sprinklers to the lateral main line pipe Figure 1 Toro swing joints provide swivel joints that allow the sprinkler body to be easily positioned to finished grade and prevents pipe breakage by providing the flexibility to allow downward movement if the sprinkler is run over by heavy equipment For installation using pipe thread connections NPT or BSP use PTFE tape only to seal all threaded connections ACAUTION Use PTFE tape only for sealing pipe thread connections Use of pipe dope or other paste sealants can cause deterioration of the sprinkler body threads Tape should be applied to the male threaded fitting in compliance with the tape manufacturer recommendations Thread the fitting into the mating female threaded fitting in the sprinkler body and service tee and tight
13. er o ring assembly 12 13 and 14 Grasp the riser 16 firmly and hold in place while removing nozzle base 4 Turn nozzle base assembly counter clockwise to remove Remove o ring 15 from top of riser assembly Step 10 Three small tabs are provided on the edge of the multi purpose tool Insert tabs into the debris filter screen 19 Holding the plastic base of riser assembly turn the screen counterclockwise to remove Step 11 Remove drive assembly 17 and stator 18 from riser assembly by carefully pressing on end of threaded shaft Step 12 Thoroughly clean and inspect all parts and replace as necessary Reassemble in the reverse order Note During reassembly ensure snap ring is correctly installed and fully seated in snap ring groove Servicing Main Valve WARNING If the valve snap ring is difficult to remove residual water pressure may be remaining in the system To prevent possible serious injury due to valve being ejected upward under pressure confirm the following conditions exist prior to removing the snap ring and valve A Water supply to sprinkler is shut off at source B All pressure is bled from system including control tubes C AC power is disconnected at source Step 1 See WARNING above To remove valve assembly squeeze snap ring ears together with snap ring pliers P N 995 100 and remove snap ring from sprinkler body See Figure 7 Step 2 Use valve removal tool P N 995 08 for FLX
14. for tubing run length and sprinkler elevation information Step 2 Flush tubing thoroughly to remove all air and debris Step 3 Remove the tube retainer and poly cap from the tubing adapter at the base of the sprinkler Step 4 Slide the tube retainer over the end of the control tubing and attach tubing to adapter Step 5 Slide tube retainer over the adapter area to secure tubing Hydraulic Control Systems Table Maximum Distance Type of System From Controller Elevation Restrictions Normally Open 01 Valve elevation should not exceed with 3 16 Control Tubing 500 25 above controller elevation or 70 below controller elevation Normally Open 01 Valve elevation should not exceed with 1 4 Control Tubing 25 above controller elevation or 70 below controller elevation All hydraulic connections on Toro valves are 1 4 insert type Control line pressure must be equal to or greater than mainline pressure Control line pressure range is 40 to 150 PSI System Start Up WARNING Never stand or lean over the sprinkler while the irrigation system is being filled during manual or automatic operation or when performing sprinkler service procedures Direct contact with irrigation spray a failed or improperly installed sprinkler connection or sprinkler components forcibly ejected upward under pressure can cause serious injury The following is a recommended procedure that will protect system components duri
15. ilot valve plunger e Clean or replace plunger Low pressure on supply line N O Hydraulic Models e Check for low pressure reason and correct Elevation of normally closed sprinkler exceeds 75 22 9 m differential Several valves on different stations fail to close Hydraulic Control tubing leak which lowers supply pressure to other stations e Turn controller from station to station until a station is reached where only valves on that station stay open The leak would be in the tubing on that station Isolate and repair Leak in supply line to controller e Verify by checking pressure in all control lines Leak in controller pilot valve e Verify by constant discharge from controller Plugged supply line filter e Replace filter if more than 3 psi 0 21 bar differential exists Servicing Procedures The FLX34 and FLX54 series sprinklers are designed to provide the user trouble free operation for many years without scheduled maintenance If it becomes necessary to disassemble the sprinkler to correct a malfunction or replace a component all internal parts of the sprinkler can be accessed from the top Refer to the Troubleshooting Procedure in this manual in the event of a malfunction Some special tools are required for disassembly and or maintenance of the sprinkler and are available from your Toro dealer Servicing Sprinkler Mechanism WARNING Never stand or lean over the sprinkler while the irrigation system is being fil
16. ion hole just above and in front of the main nozzle Using a 3 32 Allen wrench P N 995 82 thread the radius reduction screw clockwise into the installation hole Turn the sprinkler ON and continue to thread the screw clockwise into the main nozzle stream until the desired result is achieved See Figure 4 Pilot Valve Operation Electric Models Onl The pilot valve controls the operation of the main valve located in the base of the sprinkler body The main valve is operated by the release of water metered through the pilot valve when it is activated either manually at the sprinkler or by the irrigation system controller Another important function of the pilot valve is to regulate the water pressure to the sprinkler nozzle Pressure regulation ane 80 PSI compensates for large variations within the system and maintains 2 JN 9 6 kg cm a constant pressure for optimum sprinkler operation The pilot valve is factory set to regulate one of four pressure levels 50 psi 100 PSI 7 0 kg cm 3 5 bar 65 psi 4 6 bar 80 psi 5 6 bar or 100 PSI 7 0 bar 4 a dal Change the pilot valve operating pressure by loosening the thumb mlz screw that secures the selector lever Position the selector lever to E the desired operating pressure and hand tighten the nut l 50 PSI 3 5 kg cm See Figure 5 Troubleshootino Possible equipment failures with causes and corrective action are listed below Sprinkler won t rotate Debris
17. led during manual or automatic operation or when performing sprinkler service procedures Direct contact with irrigation spray a failed or improperly installed sprinkler connection or sprinkler components forcibly ejected upward under pressure can cause serious injury Note Refer to Figure 6 for the following procedure Step 1 Insert the hooked end of the multi purpose tool P N 995 83 into the slot in the cap 3 and pull the riser assembly up until there is enough clearance to handle Insert the hooked end of the tool into the snap ring slot 11 Pull the snap ring inward towards the sprinkler assembly then upward to remove from the groove in body Hold onto the riser body 16 and carefully extract it from the sprinkler body ACAUTION The seal retainer 12 will rapidly move upward caused by the decompressing spring 14 as it clears the sprinkler body Using a 5 8 nut driver P N 995 99 unscrew main nozzle 10 from main nozzle housing 8 Using a 5 16 nut driver P N 995 105 unscrew the intermediate nozzle 6 and inner nozzle 5 and plugs 7 from the nozzle base assembly Note During reassembly ensure that the inner nozzle orifice is aligned as shown Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Depress seal retainer 12 and spring 14 then remove cap screw 1 and cap 3 Carefully release tension from return spring Remove spring and seal retain
18. ng system start up The procedure is based on a velocity fill rate of less than 2 61 m per second See Table 3 below Step 1 Use a jockey pump only to fill the system at a velocity fill rate of less than 2 0 61 m per second ACAUTION Failure to comply with recommended fill rate will increase line pressure resulting in a water hammer effect that could damage sprinklers and piping components See Warning above Step 2 Use quick coupler keys at all tees and greens with quick coupler valves to bleed air from the system lines during the filling process For best results do not compress air and then relieve it bleed the air continuously while filling the system Step 3 After water has filled all lines and all air is removed remove the quick coupler keys Recommended System Fill Rate Velocity PipeSize Flow _ Velocity _6 152 150 5678 173 05 8 202 250 9463 170 052 _t0 254 450 17030 197 060 Winterizing the irrigation system is required in freezing climates to prevent damage from water expansion when it freezes Following are three key points for successfully winterizing the system however Toro provides a complete Winterization and Pressurization Guide P N 373 0849 that is available from your local Toro Distributor e Open low point drains vent high points and allow the system to drain naturally several days prior to using compressed air Attach compressor to th
19. ped with the selectable pilot valve that allows settings at 50 65 80 and 100 PSI FLX54 Series Performance Chart 25 Nozzle Set 51 Nozzle Set 52 Nozzle Set 53 Nozzle Set 54 Nozzle Set 55 Nozzle Set 56 Nozzle Set 57 Nozzle Set 58 Nozzle Set 59 GB dE Front Yellow Blue Brown Orange Green Gray Black Red Beige Nozzle 102 0725 102 7001 102 0727 102 7002 102 6908 102 0730 102 4261 102 4260 102 4259 Positions 0 0 0 HL HA 60 Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Red Plug Brown RedPlug Brown Red Plug Red Plug 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 4335 102 6883 102 4335 102 6883 102 4335 102 4335 ak HOH HH 0 Nozzle Positions Yellow Blue Yellow Orange Yellow Red Yellow Beige Yellow Beige Yellow Red Yellow Gray Yellow Gray Yellow Gray 102 6937 102 2925 102 6937 102 2926 102 6937 102 2928 102 6937 102 2929 102 6937 102 2929 102 6937 102 6944 102 6937 102 6945 102 6937 102 6945 102 6937 102 6945 PSI Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM Radius GPM 50 58 192 59 15 64 22 0 70 26 2
20. wedged between stator and turbine e Remove obstruction Drive assembly defective e Replace drive assembly Nozzle base assembly defective e Replace riser assembly Head sticks up Dirt in riser assembly e Flush out See Flushing Sprinklers Damaged or missing return spring e Replace Damaged riser e Replace Poor distribution pattern Nozzle plugged with debris e Clean or replace nozzle Nozzle orifice damaged e Replace nozzle Low operating pressure e Determine why system overloaded and correct Valve won t close Electric Continuous 24 VAC to sprinkler e Check controller for voltage source Debris in Pilot Valve e Disassemble and remove all debris Leak in pilot valve assembly e Replace pilot valve assembly Plugged supply screen on piston e Clean or replace screen Manual control selector on pilot valve assembly turned to ON position e Turn to AUTO position Plunger movement restricted e Inspect and clean or replace Valve cylinder misaligned with sprinkler body communication tube e Remove valve assembly and install correctly Foreign object keeping valve from seating e Remove clean and check valve for damage Replace if necessary Damaged piston seal or piston assembly e Replace valve assembly Valve won t close Hydraulic Leak in control tubing e Isolate and repair Pilot valve leak in controller e Confirm by observing constant dripping from discharg
21. ww toro com Form Number 373 0858 Rev A
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