Graco 309133c User's Manual
Contents
1. 2 3 a ee a SENSOR RTD SENSOR 57 4 5 NOT USED 6 NOT USED 7 NOT USED 27 64 20 309133 Repair Kits and Accessories Use Only Genuine Graco Parts and Accessories Compensating Valve Repair Kit 233082 For all 23 1 and 51 1 models ordered after May 2000 Ref No Part No 6 106258 9 C07124 10 C20138 29 C34137 30 C33049 45 115751 Description Qty O RING packing viton 1 SEAL PTFE 2 PACKING O RING 1 SHEET FIBERGLASS 100 TAPE high temperature 100 SEAL rod 1 Compensating Valve Upgrade Kit 243464 For all 19 1 compensating valves with aluminum fluid sections ordered before May 2000 Ref No Part No 111178 07189 20135 195633 115750 195634 Description Qty O RING air cap SEAL O RING BEARING SEAL WASHER To repair a 19 1 Compensating Valve that has been upgraded with Kit 243464 order each of the following Ref No Part No 07199 115750 Description Qty REPAIR KIT 1 Includes 111178 7189 and C20135 SEAL 1 Connector Accessory Kit Used to mate the Graco Pressure Compensating Valve to a non Graco heating controller NOTE The control end connector is provided and wired by customer Ref No Part No Description Qty 244021 KIT loft 3 m cable and valve end connector 1 Grease Gun For all models Ref No PartNo Description Qty 44 551189 GREASE GUN 1 Grease Car2. 8 Decrease the pressure compensator air regulator until the desired flow rate is achieved 9 Decrease the supply pump pressure until the material flow surges then increase the pressure until the surge is eliminated 10 Final material flow rate adjustments can now be done with the pressure compensator air regulator 11 Record all regulator and material pressures for future reference NOTE The difference between the inlet and outlet pressure on the pressure compensating valve should not exceed 300 psi 309133 9 Installation Tochange the differential across the pressure compensating valve adjust the precision air regu lator pressure up or down to bring the fluid pressure gauges to within the 300 psi tolerance obtain a pressure difference as close as possible to zero psi Adjust the air regulator when the material is being dispensed By increasing the air pressure to the cylinder you increase the outlet fluid pressure decreasing the air pressure you decrease the outlet fluid pressure Ensure that the pressure compensating valve s piston always floats and does not extend to the end of its stroke and remain there Check this by watching the spool between the air cylinder and the A WARNING The material and equipment will be hot To reduce risk of injury wear eye protection gloves and protective clothing when installing operating or servicing this dispensing system A WARNING HIGH
3. ing plate 14 to the compensator body 16 On heated models wrap with insulation Replace the nut 2 on the air cylinder 1 Screw the piston 8 into the air cylinder and secure with nut 2 e When the cylinder is retracted you should have gap of 0 44 11 0 mm between the base of the air cylinder and the nut Lightly coat the piston 8 and bearing plunger 5 with high temperature synthetic grease or Graco cartridge no 115982 32 Carefully slide the compensator body 16 over the piston 8 Attach the mounting bracket 40 to the air cylinder 1 using bolts 25 56 and spacers 13 55 Torque bolts to 45 ft Ib 61 Nem Using the grease gun 44 and high temperature synthetic grease or Graco cartridge no 115982 32 slowly grease the bearing through fitting 15 until grease is seen coming out of the opposite side of the port Replace plug 4 Notes 309133 15 Parts List 23 1 Ratio Compensators Model Nos 243655 243656 amp 243658 Note The parts listed below are not used in all models t Used on model 243655 only Used on model 243658 only Used on model 243656 only Used on models 243656 243658 only Ref 18 19x 20x 21x 22 23x 24 251 27x 289 29 307 31 16 07179 C38372 C19252 195647 106258 C07131 C07124 C20138 195646 C19834 C07135 07111 07113 195645 07133 78480 192
4. HAZARD Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and re sult in a fire or explosion and serious injury Ground the equipment and the object being sprayed Refer to Grounding on page 8 If there is any static sparking or you feel an electric shock while using this equipment stop spray ing dispensing immediately Do not use the equipment until you identify and correct the problem Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid be ing sprayed dispensed Keep the spray dispense area free of debris including solvent rags and gasoline Electrically disconnect all equipment in the spray dispense area Extinguish all open flames or pilot lights in the spray dispense area Do not smoke in the spray dispense area Do not turn on or off any light switch in the spray dispense area while operating or if fumes are present Do not operate a gasoline engine in the spray dispense area TOXIC FLUID HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin inhaled or swallowed Know the specific hazards of the fluid you are using Store hazardous fluid in an approved container Dispose of hazardous fluid according to all local state and national guidelines Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturer HOT SURFAC
5. PRESSURES CAN CAUSE SE RIOUS PERSONAL INJURY Be sure to OPEN THE DISPENSE VALVE DURING SYSTEM HEATUP to allevi ate pressure which might occur in the system due to material expansion main body of the pressure compensating valve e The spool should move down when the supply pump changes its stroke and move up when the supply pump pressure is returned to nor mal INJECTION HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying accidentally Fluid under high pressure can be injected through the skin and cause serious injury To reduce the risk of an injury from injection splashing fluid moving parts follow the Pressure Relief Procedure whenever you WARNING If the spool does not retract slightly reduce the air pressure to the air cylinder When the dispense valve is closed the spool will retract slightly causing a relieving effect in the dis pense hose Pressure Relief Procedure This procedure is described in the instruction manual that was supplied with your system Please refer to that document WARNING MOVING PARTS HAZARD Follow the Pressure Relief Procedure in your separate system manual before checking or repairing the ram or any other part of the system and when shutting down the system Keep hands and fingers away from the follower plate fluid pump inlet and lip of the fluid container when raising or lowering the ram to reduce the risk o
6. nut 3 8 16 GREASE GUN 3 oz cartridge SEAL rod LABEL caution LABEL caution SPACER AIR CYLINDER FITTING reducing 3 8 x 1 4 npt SPACER SCREW cap hex head 5 8 X 2 5 CARTRIDGE HEATER 240 volt SCREW machine INSERTS female crimp terminal CONNECTOR male crimp BULKHEAD housing WIRE lead SCREW TERMINAL RING ground Qty ALA a Parts 23 1 Ratio Models 243655 243656 and 253658 Torque to 45 ft Ibs Generously lubricate using high temperature synthetic grease or Graco cartridge no 115982 only When the cylinder is fully retracted there should be a gap of 44 between the base of the air cylinder and the nut N Lips face down AN Lips face up t Used on model 243655 only Used on model 243658 only Used on model 243656 only Used on models 243656 and 243658 only N2 O AA 45 40 AA O 33 1 8 A 349 Tee 43 251 56 0369 309133 17 Parts List 51 1 Ratio Compensators Model Nos 243206 243654 amp 243657 Note The parts listed below are not used in all models Used on model 243206 only O Used on model 243654 only Used on model 243657 only See 120 volt wiring diagram on page 20 x Used on models 243206 and 243657 only See 240 volt wiring diagram on page 20 Us
7. ring 10 and throttle adapter 17 from the opening in the center of the lower com pensator body section Remove the lip seal 9 Carefully inspect the lip seals 9 45 washers 21 throttle adapter 17 and o rings 6 10 for wear and weakness If they are worn or damaged replace them Carefully inspect the piston 8 If itis damaged or the surface scored replace it CAUTION Use only high temperature synthetic grease or Graco cartridge no 115982 Use of any other grease may result in unit failure or system contamination Reassembling the Compensator 1 Generously grease lip seal 9 with high tempera ture synthetic grease or Graco cartridge no 115982 32 Carefully insert the lip seal 9 with the lips facing down in the opening located in the bottom of the compensator body 16 Generously grease the throttle adapter 17 with high temperature synthetic grease or Graco car tridge no 115982 32 Insert the throttle adapter 17 over the lip seal 9 in the opening on the bottom of the compensator body 16 Place o ring 10 on top of throttle adapter 17 Coat the heater 28 57 and RTD temperature sensor 27 with Lubricant Thermal Compound 81 and insert into their proper locations in the bottom of the compensator body 16 Position the heater 28 57 and RTD temperature sensor 27 wires in the slots located in the block outlet 11 Allow sufficient lead wire length to be able
8. 69 112166 19197 C34043 C34040 C06323 C19794 C32255 115864 C34137 C33049 073019 309133 Description ADJUSTING Nut SCREW cap hex head PLUG flush 1 8 BEARING plunger O RING packing viton PISTON SEAL PTFE O RING packing viton BLOCK outlet SCREW cap socket 3 8 x 1 25 SPACER MOUNTING PLATE FITTING lubricant COMPENSATOR body ADAPTER throttle CONNECTOR AMPH 6 Pin 16 GA SCREW SCREW cap 1 4 20 x 75 WASHER plain USS 3 16 BRACKET COVER GAUGE fluid SCREW cap 3 4 10 x 2 5 RTD TEMPERATURE SENSOR 7 8 CARTRIDGE HEATER 120 volt INSULATOR fiberglass TAPE adhesive fiberglass LUBRICANT thermal compound Qty Bao ANP 100 100 See 120 volt wiring diagram on page 20 See 240 volt wiring diagram on page 20 Part not shown Ref No 327 33 34 36 37 39 40 41 42 43 44 45 46 47 53 54 5 56x 5749 58e 59e 60e 61e 6249 63 9 644 Part No 115982 102794 C19950 C07536 C06101 C36260 C52578 100003 100133 100307 551189 115751 189930 290228 C34045 07166 156971 07208 19075 115863 1100171 115860 115862 115861 07569 112144 101674 Description LUBRICANT synthetic NUT hex SCREW cap SCH TUBE heat shrink REGULATOR 1 4 npt 1 75 GAUGE air BRACKET mounting BOLT hexagon 3 8 16 x 1 5 WASHER lock HEX
9. E AND FLUID HAZARD Heated fluid can cause severe burns and can cause equipment surfaces to become very hot Wear protective gloves and clothing when operating this equipment in a heated system Do not touch the metal heat sink when the surface is hot Allow the equipment to cool thoroughly before servicing Some heated systems are designed to dispense PUR heated materials PUR systems are supplied with ventilation hoods and require proper ventilation and specially designed system components 309133 WARNING MOVING PARTS HAZARD Moving parts such as the air motor piston can pinch or amputate your fingers Keep clear of all moving parts when starting or operating the pump Before servicing the equipment follow the Pressure Relief Procedure on page 10 to prevent the equipment from starting unexpectedly INJECTION HAZARD Spray from the gun hose leaks or ruptured components can inject fluid into your body and cause an extremely serious injury including the need for amputation Splashing fluid in the eyes or on the skin can also cause a serious injury Fluid injected into the skin might look like just a cut but it is a serious injury Get immediate medi cal attention Do not point the spray gun at anyone or at any part of the body Do not put hand or fingers over the spray tip Do not stop or deflect fluid leaks with your hand body glove or rag Do not blow back fluid this is not an air spray g
10. Instructions C GRACO Pressure Compensating Valve 309133C The pressure compensating valve minimizes the effects of pressure changes from the fluid source and reduces or eliminates material flow variances caused by piston pump changeover and unbalanced pump lowers Eliminating surge variations adds consistency to the application process The pressure compensating valve is used e in applications requiring a consistent bead size throughout the dispense cycle to overcome the initial surge of material when the dispense valve is opened in a deadhead system with single component materials when viscosities are generally greater than 100 000 cps 5 Read warnings and instructions E See page 2 for compensator part nos ratios and working pressures 5 7 Model 243656 Shown 0368 GRACO INC P O 1441 MINNEAPOLIS 55440 1441 Copyright 2000 Graco Inc is registered to I S EN ISO 9001 PBOVENCHUSLIDGSCBERDUNG TECHNOLOGY Table of Contents Symbols eg rete Debe due UTR eT aw cie IR e o FCU reete eet 3 e te p Rawle 3 Compensator Models hk oh eee ERES det xe ete pee ma RR EM RR RUE 2 Unpacking and Repacking v 22 esee ieetr e Ra me Ret RR ee deed bee bee hea 6 OVGIVIOW E udi c Apri OPE LEE
11. R EE M LEM aae eds 7 Installation o zc Ben weapon egere reis 8 Maintenance MT 11 Troubleshooting s dues dte ut ettet deett edi ette deter ee ext pudet der te RR e tpe een 12 M M 13 Parts Lists 3 ele AE 16 Wiring Diagrami 3 2 bes ute Sard Be LL EHE eee iR Lala eret sce t et oie ERI EE 20 Repair Kits and Accessories 2 1 2 0 21 Technical Data c ub ERR tate eden cig 22 AERAR T ORASAN NARAR RIOR ENARA 24 Graco Phone Number eieiei bc pui poe uU eee 24 Compensator Models Maximum Operating Air Maximum Operating Fluid Pressure Pressure Ratio and Type rc Part No Series parts list page MPa bar psi MPa bar psi 243206 A 51 1 Heated 120V 0 7 7 0 100 23 8 238 3500 243656 A 23 1 Heated 240 V 0 7 7 0 100 17 2 172 4 2500 07 70 i00 2 309133 Symbols Warning Symbol Caution Symbol This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions or destruction of equipment i
12. e Y Air in x 0370 x S Out Fig 1 1 Using the attached mounting bracket 40 secure the pressure compensating valve to a rigid support or a wall capable of supporting 75 pounds See Fig 1 2 Connect the air line to the pressure compensating valve s regulator 37 See Fig 1 3 Connect the material supply hose to the pressure compensating valve s inlet port A and connect the material discharge hose to the pressure com pensating valve s outlet port B See Fig 1 NOTE t is recommended the compensator be isolated with shutoff valves for air and material inlet outlet lines A WARNING To reduce the risk of over pressurizing your sys tem which could result in component rupture and cause serious injury never exceed the specified maximum incoming air pressure to the pumps see the Technical Data in the pump manual Pressure Compensator Set Up 1 Ensure that air pressure is supplied to the ram and pump 2 For models with heaters bring the system to the operating temperature 3 Setthe pressure compensating valve s air regula tor to maximum full open 4 Place a waste container under material dispense valve 5 Slowly increase the supply pump pressure and fill the entire system 6 Once the system is fully primed adjust the supply pump pressure until the desired non regulated material flow rate is achieved 7 ncrease the supply pump material pressure by 300 psi
13. ed on all models except 243654 Partnot shown Ref Part Ref Part No No Description Qty No No Description Qty 32 115982 LUBRICANT synthetic 1 1 C07109 AIR CYLINDER 1 33 102794 NUT hex 4 2 07179 ADJUSTING Nut 1 34 19950 SCREW SCH 4 3 C38372 SCREW cap hex head 4 35 19254 PLUG pipe flush 1 4 1 4 C19252 PLUG flush 1 8 1 369 07536 TUBE heat shrink 3 5 195647 BEARING plunger 1 37 06101 REGULATOR 1 4 1 75 1 6 106258 O RING packing viton 1 38 164856 FITTING reducing 3 8 x 1 4 npt 1 8 07131 PISTON 1 39 C36260 GAUGE air 1 9 C07124 SEAL PTFE 2 40 C52578 BRACKET mounting 1 10 C20138 O RING packing viton 2 41 100003 BOLT hexagon 3 8 16 x 1 5 2 11 195646 BLOCK outlet 1 42 100133 WASHER lock 2 12 C19834 SCREW cap socket 3 8 x 1 25 4 43 100307 HEX nut 3 87 16 2 13 07135 SPACER 2 44 4 551189 GREASE GUN 3 oz cartridge 1 14 07111 MOUNTING PLATE 1 45 115751 SEAL rod 1 15 07113 FITTING lubricant 1 46 189930 LABEL caution 1 16 195645 COMPENSATOR body 1 47 290228 LABEL caution 1 17 C07133 ADAPTER throttle 1 51x 34045 SPACER 1 1890 78480 CONNECTOR AMPH 6 Pin 16GA 1 520 19254 PLUG pipe flush 1 19x 19269 SCREW 2 57A 115863 CARTRIDGE HEATER 240 volt 1 20x 112166 SCREW cap 1 4 20 x 75 2 58e 1100171 SCREW machine 2 19197 WASHER plain USS 3 16 2 59e 115860 INSERTS female crimp terminal 1 22k 34043 BRACKET 1 60e 115862 CONNECTOR male cri
14. f pinching or amputating hands or fingers are instructed to relieve the pressure stop spraying dispensing check or service any of the system equipment install or clean the spray tip nozzle During operation also keep hands and fingers away from limit switches to reduce the risk of pinching or amputating hands or fingers 10 309133 Maintenance Table 1 shows the preventive maintenance schedule for the Pressure Compensating Valve Table 1 Preventive Maintenance Schedule Schedule Component Description Weekly Compensator body Remove plug to visually inspect grease If a lot of pumped material is present disas semble following instructions on page 13 Clean or replace components as needed Weekly Lubricate the components Remove plug to visually inspect grease If needed lubricate with Gray Mobilith SCH220 grease Daily Spool floats freely Watch the spool between the air cylinder and the main body of the pressure compensating valve The spool should move up and down when the supply pump pressure returns to normal If the spool does not retract slightly reduce the pressure to the air cylinder 309133 11 Problem Troubleshooting Cause Solution Outlet material pressure not consistent Inlet pressure is too low Adjust inlet pressure from supply pumps Internal throat seals o rings and or plunger are worn Replace seals inspect and or replace plunger Outlet pressure builds up w
15. f you do not follow the instructions WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury NA INSTRUCTIONS This equipment is for professional use only Read all instruction manuals tags and labels before operating the equipment Use the equipment only for its intended purpose If you are uncertain about usage call your Graco distributor Do not alter or modify this equipment Use only genuine Graco parts and accessories Check equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure stated on the equipment or in the Technical Data for your equipment Do not exceed the maximum working pressure of the lowest rated component in your system Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Tech nical Data section of all equipment manuals Read the fluid and solvent manufacturer s warnings Do not use hoses to pull equipment Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 82 C 180 F or below 40 C 40 Wear hearing protection when operating this equipment Do not lift pressurized equipment Comply with all applicable local state and national fire electrical and safety regulations 309133 3 4 WARNING FIRE AND EXPLOSION
16. fer to the callouts in Fig 1 A pressure compensating valve can be used in manual and automatic dispensing applications WARNING e ELECTROCUTION HAZARD Installing and servicing this equipment requires access to parts which could cause an electric shock or other serious injury Have only qualified electricians access the control assembly Location of the Pressure Compensating Valve e The pressure compensating valve should be lo cated between the supply pump and dispense valve as close to the point of disperse as possible CAUTION Downstream hose lengths beyond 15 feet will start to diminish the valve s effectiveness in compensating for surge WARNING PRESSURIZED EQUIPMENT HAZARD To reduce risk of injury or equipment damage e Make sure all material hose connec tions are secure e Do not pressurize the system until you have verified the system is ready and it is safe to do so Installation Installing the Pressure Compensating Valve Before mounting the pressure compensating valve extra inlet outlet plugs and insulating wrap for heated units only need to be assembled There are two inlets and outlet ports Decide which are to be used and plug the others Completely wrap the steel fluid hous ing with provided insulation wrap and tape To install the pressure compensating valve e Mount the pressure compensating valve e Connect the air line Connect the inlet and discharging hos
17. g units On heated models remove insulation wrap Remove the two bolts 41 washers 42 and nuts 43 holding mounting bracket 40 to the mounting plate 14 Remove the two cap screws 25 56 and two spacers 13 55 Carefully remove the air cylinder 1 and the piston 8 from the compensator body 16 and block outlet 11 Loosen the adjusting nut 2 while holding piston 8 on the wrench flats Remove piston 8 from the air cylinder 1 by turning piston counterclock wise Remove the four cap screws 3 holding the mounting plate 14 to the compensator body 16 Remove the mounting plate 14 Remove the bearing plunger 5 from inside the compensator body 16 Remove the o ring 6 from the top groove on the outside of the bearing plunger 5 Remove the lip seal 45 located inside the bearing plunger 5 Remove the lip seal 9 located inside the compen sator body 16 Turn the compensator body 16 over Remove the four screws 12 holding the top and bottom halves of the compensator body together 13 14 15 16 17 18 Remove the two screws 19 securing the heater cover 23 to the block outlet 11 Remove the heater cover 23 to access the two screws 20 securing the heating unit to the block outlet 11 Remove the screws 20 and washers 21 Carefully remove the cartridge heater 28 57 and RTD temperature sensor 27 from the block outlet 11 Remove the o
18. hile not dispensing Internal throat seals o rings and or plunger are worn Replace seals inspect and or replace plunger Material is leaking externally Internal seals are worn Replace seals Not enough outlet pressure Material regulator is not calibrated correctly See pressure compensator setup on page 9 Supply pumps are set too low or Verify supply turned off Material pressure gauge readings Material gauges are damaged Replace do not change when the flow rate is adjusted Pressure adjustment range is exceeded Calibrate the pressure in a lower pressure range Plunger does not float Seal is worn Replace seal Air regulator does not display consistent pressure reading Improper regulator setting Regulator not functioning properly Replace or repair air regulator Air is not getting to regulator 12 309133 Air hose not connected or loose Attach or tighten air hose to regulator Service NOTE Reference numbers and letters in parentheses in the text refer to the callouts in the figures and the parts drawing on pages 16 19 A WARNING EQUIPMENT MISUSE HAZARD y Exercise care when mounting and handling the Pressure Compensating Valve to prevent equipment damage or personal injury Disassembly 1 10 11 12 Disconnect all hoses connecting the pressure compensating valve to the gun and heatin
19. ll be reached by using the lowest ratio pressure compensating valve to provide the required pressure Operation The pressure compensating valve is installed with a precision air regulator for the air cylinder in order to provide accurate control It is also installed with inlet and outlet fluid pressure gauges To avoid extreme wear when dispensing material do not exceed 300 psi differential across the pressure compensating valve the difference between the inlet and the outlet fluid pressure gauges Typical Installation 309133 7 Installation Ground The System WARNING FIRE EXPLOSION AND ELECTRIC SHOCK HAZARD To reduce the risk of fire explosion and serious injury proper electrical ground ing of every part of your system is essential Read the warning section FIRE AND EXPLOSION HAZARD on page 4 and follow the grounding in structions below The following grounding instructions are minimum requirements for a basic dispensing system Your system may include other equipment or objects which must be grounded Check your local electrical code for detailed grounding instructions for your area and type of equipment Your system must be connected to a true earth ground 1 Pump ground the pump by connecting a ground wire a
20. mp 7 23x 34040 COVER 1 61e 115861 BULKHEAD housing 1 24 C06323 GAUGE fluid 2 07569 WIRE lead e 25 C19794 SCREW 3 4 10 2 5 2 63A 112144 SCREW 1 27x0 32255 RTD TEMPERATURE SENSOR 7 8 1 644 101674 TERMINAL RING ground 1 28901 115864 CARTRIDGE HEATER 120 volt 1 29 C34137 INSULATOR fiberglass 100 30 33049 TAPE adhesive fiberglass 100 31 073019 LUBRICANT thermal compound 18 309133 Parts 51 1 Ratio Models 243206 243654 and 253657 Torque to 45 ft Ibs Generously lubricate using high temperature synthetic grease or Graco cartridge no 115982 only When the cylinder is fully retracted there should be a gap of 44 between the base of the air cylinder and the nut Lips face down PIE Lips face up Used on model 243206 only Used on model 243657 only x Used on models 243206 and 243657 only 2 Gg AA 45 gt CO AA gt 339 e _ 8 gt io A 349 289 57e 58e 25 309133 0369 19 Wiring Diagram 120 Volt Models SENSOR RTD iS 9g r oC _ 18 36 D o yor 400W 120 VOLTS NOTE ALLOW SUFFICIENT LEAD WIRE LENGTH TO BE ABLE 28 TO ROTATE CONNECTOR BRACKET 180 240 Volt Models WIRING DIAGRAM SCHEMATIC DIAGRAM HEATER HEATER 400 W 240 VOLTS A AAW
21. nd clamp as described in your separate pump instruction manual 2 Air compressors and hydraulic power supplies ground the equipment according to the manufacturer s recommendations 3 Fluid hoses use only ground fluid hoses with a maximum of 500 feet 150 m combined hose length to ensure grounding continuity Check the electrical resistance of your fluid hoses at least once a week If your hose does not have a tag on it which specifies the maximum electrical resistance contact the hose supplier or manufacturer for the maximum resistance limits If the hose resistance exceeds the recommended limits replace it immediately 4 Flo gun ground the gun by connecting it to a properly grounded fluid hose and pump 5 Fluid supply container ground according to the local code 6 Flammable liquids in the dispensing area must be kept in approved grounded containers Do not store more than the quantity needed for one shift 8 309133 7 solvent pails used when flushing ground according to local code Use only metal pails which are conductive Do not place the pail on a non conductive surface such as paper or cardboard which interrupts the grounding continuity 8 To maintain grounding continuity when flushing or relieving pressure hold a metal part of the gun firmly to the side of a grounded metal pail then trigger the gun General Information NOTE Reference numbers and letters in parentheses in the text re
22. otherwise FOR GRACO CANADA CUSTOMERS The parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up in English Les parties reconnais sent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s la suite de ou en rapport directement ou indirectement avec les procedures concern es Graco Phone Numbers TO PLACE AN ORDER contact your Graco distributor or call one of the following numbers to identify the distributor closest to you 1 800 367 4023 Toll Free 612 623 6921 612 378 3505 Fax All written and visual data contained in this document reflects the latest product information available at the time of publication Graco reserves the right to make changes at any time without notice Sales Offices Minneapolis Detroit International Offices Belgium Korea Hong Kong Japan GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 www graco com PRINTED IN USA 309133 July 2000 Revised November 2001 24 309133
23. to rotate the connector bracket 180 309133 13 10 11 14 Service Carefully align the block outlet 11 and compensa tor body 16 and secure using the four screws 12 Torque screws 12 to 45 ft Ib 61 Nem Secure the heating unit to the block outlet 11 using the two screws 20 and washers 21 Replace the heater cover 23 and screws 19 Turn the heater over Generously grease the lip seal 9 with high temperature synthetic grease or Graco cartridge no 115982 32 Carefully insert lip seal 9 with the lips facing down in the center opening located on the top of the compensator body 16 Generously grease o ring 6 with high tempera ture synthetic grease or Graco cartridge no 115982 48 Position it in the groove located around the outside of the bearing plunger 5 Generously grease rod lip seal 45 with high temperature synthetic grease or Graco cartridge no 115982 32 Place the lip seal 45 with the lips facing down inside the bearing plunger 5 Lightly grease the entire bearing plunger 5 with high temperature synthetic grease or Graco car tridge no 115982 32 Carefully insert the bearing plunger 5 in the opening on the top of the com pensator body 16 309133 12 13 14 15 16 17 18 19 Attach the mounting plate 14 to the compensator body 16 using the four cap screws 3 See Fig 1 which shows the correct orientation of the mount
24. tridge For use with Grease Gun Part No 551189 Ref No PartNo Description Qty 32 115982 GREASE CARTRIDGE high temperature grease 1 309133 21 Technical Data Category Data Fluid Inlet 1 npt f Fluid Outlet 1 npt f Air Inlets 1 4 npt f Voltage Required heated models 120 volts for models 243206 and 243658 240 volts for models 243656 and 243657 Output Wattage 400 watts Maximum recommended pressure drop 300 psi Maximum air inlet pressure 250 psi 1 70 MPa 17 0 bar Maximum operating pressure 100 psi 0 7 MPa 7 0 bar Maximum Temperature 400 F C Weight 23 1 ratio pumps 48 pounds 51 1 ratio pumps 62 pounds 265 x M x 14 22 309133 Dimensions 51 1 pumps 10 5 n 23 1 pumps 9 5 in 1 pumps 9 ne 23 1 pumps 7 in it 1 5 51 1 pumps 17 LE 2 23 1 pumps 15 in ae S m Ex DE LN 4 309133 23 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use With the exception of an
25. un Check the gun diffuser operation weekly Be sure the gun trigger safety operates before spraying Lock the gun trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 10 whenever you are instructed to relieve pres sure stop spraying clean check or service the equipment or install or clean the spray tip Tighten all the fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn damaged or loose parts immediately Permanently coupled hoses cannot be repaired replace the entire hose 309133 5 Unpacking and Repacking Unpacking the Product The pressure compensating valve was carefully pack aged for shipment by Graco When the product ar rives perform the following procedure to unpack the unit 1 Inspect the shipping box carefully for shipping damage Contact the carrier promptly if damage is discovered 6 309133 2 Unseal the box and inspect the contents carefully There should not be any loose or damaged parts Compare the packing slip against all items in cluded in the container Any shortages or other inspection problems should be reported immedi ately Store the box and packing materials in a safe place for future use Graco recommends that all packing materials be saved in case the unit needs to be shipped again Overview Description The purpose of the pressure compensating valve is to provide a consistent flo
26. w of sealant and adhesive material downstream through a hose to a dispense valve and nozzle The pressure compensating valve applies a precisely regulated air pressure to a rolling diaphragm to open a valve spool Downstream back pressure is applied to the opposite end of the spool to push it closed The two opposing forces cause the spool to throttle the material through a tapered valve seat thereby com pensating for any pressure fluctuation The area of the spool and the 1 25 5 mm stroke of the spool cause it to displace material When the spool extends into the downstream end of the pressure compensating valve it can provide up to 1 0 cu inches of material to compensate for the momentary loss of supply pressure When the spool is retracted beyond the point of shutoff it will withdraw material from the downstream end This causes a relieving effect The displacement of the spool is what separates it from regulators The inlet pressure is balanced against the spool thus making it immune to changes in up stream pressure The air cylinder rolling diaphragm area versus the area of the end of the spool give the pressure compensating valve a power ratio just as a reciprocating pump has a power ratio The Pressure Compensating Valve is available in 23 1 and 51 1 ratios ambient or heated models Because the inlet pressure is balanced a low ratio pressure compensating valve may be used with a high ratio pump Optimum operation wi
27. y include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale Graco makes no warranty and disclaims all implied warranties of merchantability and fitness for a particular purpose in connection with accessories equipment materials or components sold but not manufactured by Graco These items sold but not manufactured by Graco such as electric motors switches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties In no event will Graco be liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contract breach of warranty the negligence of Graco or
28. y special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be defective This warranty applies only when the equipment is installed operated and maintained in accor dance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tampering or sub stitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility of Graco equipment with structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claimed defect If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges ma
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