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308986

Service – Hydraulic System

Displacement Pump

7355A

Fig. 26

Torque to 40–50 ft-lb (53–68 N

m).

Apply thread sealant.

3
4

Lubricate.

Содержание HYDRA-CAT FIXED RATIO

Страница 1: ...reactive chemical materials that may be used in this equipment and is not responsible for their effects Because of the vast number of chemicals that could be used and their varying chemical reaction...

Страница 2: ...raulic Displacement pump 36 Graco Warranty 40 Graco Phone Number 40 Related Manuals 10 1 Ratio BullDogR Pump 306821 KingR Air Motors 306968 PresidentR Air Motors 306982 BullDogR Air Motors 307049 Visc...

Страница 3: ...el is also shown on the pump identification plate Be sure that all dispensing equipment and accessories are rated to withstand the maximum working pressure of your pump Do not exceed the maximum worki...

Страница 4: ...or loose parts immediately Do not repair high pressure couplings you must replace the entire hose D Fluid hoses must have spring guards on both ends to help protect them from rupture caused by kinks o...

Страница 5: ...of hazardous fluid according to all local state and national guidelines D Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturer D Avoid ex...

Страница 6: ...motor This assures that the stroke rate and stroke length of all pump lowers are identical providing constant pro portioning The mix ratio is fixed by selecting compat ible sets of two or three lower...

Страница 7: ...ustment of the feed pump pressures Never exceed 400 psi on the inbound fluid pressure and never exceed 25 of the Hydra Cat pump outbound fluid pressure on the feed supply Two Displacement Pumps with F...

Страница 8: ...ed pump pressures Never exceed 25 of the Hydra Cat pump outbound fluid pressure on the feed supply Heavy Viscosity Heated Feed System with Three Displacement Pumps 1 2 See note above Connect to drain...

Страница 9: ...ntact your nearest Graco representative Hydraulic Pump 7354A Fig 3 F B Y C D A E G H J KEY A Hydraulic Pump B Mounting Stand C Hydraulic Supply Line D Hydraulic Return Line E Drain Line from pressure...

Страница 10: ...id requirements of your system Read all instructions in the Installation section for further details NOTES 1 Models with three displacement pumps always use the two outer displacement pumps to supply...

Страница 11: ...very day 3 Filters be sure your hydraulic power supply U is equipped with a suction filter to the hydraulic pump and a system return line filter S of 10 micron size Carefully follow the manufacturer s...

Страница 12: ...es L are required in your system to relieve fluid pressure in the hose and gun see the WARNING above 5 Fluid hoses use only grounded fluid hoses 6 Hydraulic Power Supply or Air compres sor follow manu...

Страница 13: ...air valve A in the pump air inlet 2 Install an air regulator and gauge E to control pump outlet pressure 3 Install a pump runaway valve D for each feed pump to automatically shut off the air to the p...

Страница 14: ...ward rather than backwards as shown in Fig 7 Two Displacement Pump Models 1 Connect the resin supply hose EE to the 3 4 npt swivel inlet 37B for the resin displacement pump See Fig 7 2 Connect the har...

Страница 15: ...e three screws 201a and lockwashers 201b supplied with each heater 2 Connect a swivel union 202 to the outlet of each heater 3 Connect a swivel union 203 to the inlet of each heater CAUTION Use heater...

Страница 16: ...ner fluid hose 204B between union 17B and swivel 203B at heater inlet 3 Install another hardener fluid hose FB between heater outlet elbow 202B and hardener side of mixer manifold 23 4 Repeat Steps 1...

Страница 17: ...6A 16B on each side of the mixer manifold 23 Turn the unions 17A 17B so the outlet faces up See Figs 12 and 13 2 Connect a new hardener fluid hose 204B between the union 17B and the swivel 203B at the...

Страница 18: ...from the back of the swivel union 3 and install the adapter 301 Rotate the regulator gauge elbow 4 so the gauge is facing the operator 4 Couple the hose 303 and couplings 302 Connect the hose 303 to...

Страница 19: ...dogR 14 34 375 mm KingR 21 5 534 mm PresidentR 16 06 408 mm ViscountR 11 2 284 48 mm ViscountR II 18 6 472 mm 1 3 4 2 1 3 4 2 5 7 6 7 6 5 32 3 4 832 mm 28 1 4 718 mm 17 3 4 451 mm 30 1 4 768 mm 11 279...

Страница 20: ...that some moisture may get into the lines which could contaminate the hardener so flush again before restarting the system How to Operate the Mixer Manifold Push handle KK down to open or up to close...

Страница 21: ...inimum pressure See Fig 15 5 Open the main master air valve A5 See Fig 16 6 Open the hardener pump master air valve A1 See Fig 16 7 Open the hardener side drain valve P1 Open the mixer manifold handle...

Страница 22: ...RIC SHOCK HAZARD on page 4 Be sure the entire system and flushing pails are properly grounded Refer to Grounding on page page 11 Flush the pump D Before the first use D When changing fluids D Before s...

Страница 23: ...solvent valves and fluid line s to the applicator 10 Ensure pump air pressure and main air valve are closed 11 If you suspect that the nozzle or hose is com pletely clogged or that pressure has not be...

Страница 24: ...n If you suspect that the spray tip nozzle or hose is completely clogged or that pressure has not been fully relieved after following the steps above very slowly loosen the hose end coupling and relie...

Страница 25: ...ly Monitor system material supply regularly based on system usage CAUTION Establish a rigid system for monitoring the material supply to prevent the pumps from running dry A sudden lack of material in...

Страница 26: ...to get material to flow 5 When material begins to flow through drain valves P close valves 6 Turn power on to heaters if used and wait 5 minutes for heaters to warm up 7 Open proportioning pump air va...

Страница 27: ...cking Mix Ratio WARNING INJECTION HAZARD To reduce the risk of serious injury follow the Pressure Relief Procedure on page 23 whenever you are instructed to relieve the pressure NOTE Since this is a f...

Страница 28: ...valve P and the return line shutoff valve R 3 Start the hydraulic power supply 4 Hold a metal part of the gun firmly to the side of a grounded metal pail and hold the trigger open 5 Open the return li...

Страница 29: ...ssure causes premature pump wear CAUTION Do not allow the pump to run dry It will quickly accelerate to a high speed causing damage If your pump is running too fast stop it immediately and check the f...

Страница 30: ...es Clean Static Mixer Visually inspect the static mixer G weekly Replace the static mixer if clogged or damaged See Fig 21 1 Follow the Pressure Relief Procedure on page 23 2 Remove the hose H from th...

Страница 31: ...ACKING 2 PISTON PACKING 3 PISTON BALL CHECK RISING FALLING RISING RESIN PUMP HARDENER PUMP TROUBLE AREA RESIN PUMP LEAKAGE 1 THROAT PACKING 2 FOOT VALVE BALL CHECK FALLING RISING RESIN PUMP HARDENER P...

Страница 32: ...nnections Service pump See instructions in sepa rate manual 307944 or 684004 Pump operates but resin output pressure drops during upstroke Dirty worn or damaged resin pump pis ton valve Worn or damage...

Страница 33: ...worn or damaged hardener pump intake valve Fluid supply low Clean service pump See instructions in separate manual 307944 or 684004 Refill or change container Fluid leaks around fluid pump packing nu...

Страница 34: ...in the pumps Stop the pump at the bottom of its stroke CAUTION If you are changing to a different type of fluid com pletely clean all of the equipment and hoses making sure that no fluid remains in a...

Страница 35: ...er displacement pump rod through the tie plate 121 center locknut 123 and wash er 115 Thread the displacement rod into the yoke 114 by turning the complete cylinder Use a wrench on the flats of the di...

Страница 36: ...fer to the separate motor manual 307158 supplied Reconnecting the Displacement Pumps 1 Apply thread sealant to the threads of the coupler 2 and screw it onto the hydraulic motor Place the gasket 3 on...

Страница 37: ...308986 37 Service Hydraulic System Displacement Pump 7355A Fig 26 1 2 Torque to 40 50 ft lb 53 68 NSm Apply thread sealant 3 1 2 3 4 14 10 11 24 12 13 7 5 23 6 Lubricate R 2 2 2 1 1 1 3 3...

Страница 38: ...38 308986 Notes...

Страница 39: ...308986 39 Notes...

Страница 40: ...ach 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 prope...

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