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Instructions – Parts List

GRACO INC.ąP.O. BOX 1441ąMINNEAPOLIS, MNą55440-1441

Copyright 2002, Graco Inc. is registered to I.S. EN ISO 9001

50:1 Fire-Ball

r

 425 Pumps

For pumping non–corrosive and non–abrasive
greases and lubricants only.

7500 psi (51.7 MPa, 517 bar) Maximum Working Pressure
150 psi (1.0 MPa, 10 bar) Maximum Air Input Pressure

Model 205394, Series E
Model 205395, Series N

306674U

WARNING

This pump is designed to be used only in pumping
non-corrosive and non-abrasive oils and lubricants.
Any other use of the pump can cause unsafe operat-
ing conditions and component rupture, which can re-
sult in fluid injection or other serious injury or fire or
explosion.

06306B

Important Safety instructions
Read all warnings and instructions in this manual.
Save these instructions.

Summary of Contents for Fire-Ball 425 205394

Page 1: ...si 1 0 MPa 10 bar Maximum Air Input Pressure Model 205394 Series E Model 205395 Series N 306674U WARNING This pump is designed to be used only in pumping non corrosive and non abrasive oils and lubric...

Page 2: ...e equipment only for its intended purpose If you are not sure call your Graco distributor D Do not alter or modify this equipment D Check equipment daily Repair or replace worn or damaged parts immedi...

Page 3: ...s with your hand body glove or rag D Do not blow back fluid this is not an air spray system D Use only extensions and couplings that are designed for use with your dispensing valve D Follow the Pressu...

Page 4: ...e 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment Such use could result in a chemical reaction with...

Page 5: ...per or cardboard which interrupts the grounding continu ity D To maintain grounding continuity when flushing or relieving pressure hold a metal part of the dispens ing gun firmly to the side of a grou...

Page 6: ...lator E to control pump speed WARNING A bleed type master air valve B is required to shut off and relieve air pressure that may be trapped in the air motor Trapped air could cause the pump to cycle un...

Page 7: ...tting coupler is clogged or that pressure has not been fully relieved after following the steps above VERY SLOWLY loosen the coupler or hose end cou pling and relieve pressure gradually then loosen co...

Page 8: ...motor gasket packing seal etc Service air motor Erratic pump operation Exhausted fluid supply Refill and reprime or flush p p p Held open or worn intake valve or piston packings Clear service Pump ope...

Page 9: ...306674U 9 Notes...

Page 10: ...70 78 73 1 69 72 79 2 66 80n 59 62 61n 67 62 68 Lips of v packings must face up Torque to 50 to 70 ft lb 68 to 95 N m 06336 72 1 4 ROD 71 Included in Repair Kit 239320 which may be purchased separate...

Page 11: ...en the packing housing 70 Unscrew the riser tube 79 from the air motor 5 Remove the packing housing 70 from the riser tube 79 and remove the packings from the housing 6 Hold the intake valve housing 6...

Page 12: ...ke Unscrew the cylinder cap nut 31 from the cylinder 32 Pull up on the cap nut Grip the trip rod 1 with padded pliers 207579 and screw the cap nut off the trip rod See Fig 4 CAUTION Do not damage the...

Page 13: ...the trip rod yoke 14 valve actuator 13 and trip rod 1 Check the exhaust valve poppets 38 for cracks NOTE To remove the exhaust valve poppets 38 stretch them out and cut with a sharp knife 8 Pull the p...

Page 14: ...opera tion of the pump Throat Packing Service The piston in the air motor located behind the air motor plates moves when air is supplied to the motor Moving parts can pinch or amputate your fingers or...

Page 15: ...ing and lower the piston into the base Reinstall the plate 36 and cylinder 32 Reassemble the air motor to the displacement pump 10 Torque the outlet adapter 42 to 45 to 55 ft lb 61 to 75 N m CAUTION W...

Page 16: ...ries N 400 lb 180 kg drum length 1 2 3 4 5 6 7 8 9 62 75 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 58 36 37 38 40 42 44 46 48 49 52 53 56 57 33 59 60 61 62 63 64 65 66 67 68 69 70 71...

Page 17: ...697 WASHER thrust 1 45 159047 NUT packing 1 46 159048 BEARING brass 1 47 159306 GLAND male 1 48 159307 GLAND female 1 49 159308 V PACKING nitrile rubber 4 52 162553 ROD piston 1 53 116343 SCREW ground...

Page 18: ...id Outlet 41 1 4 26 11 16 1048 mm 678 mm 14 9 16 369 9 mm Priming Piston 6 1 2 165 1 mm Diameter 3 8 npt Fluid Outlet 48 3 16 33 5 8 1224 mm 854 1 mm 14 9 16 369 9 mm 1 2 npt f Air Inlet 1 2 npt f Air...

Page 19: ...prox 19 cfm 0 53 m min at 1 gpm 3 8 lpm at 70 psi 0 48 MPa 4 8 bar Wetted parts steel brass aluminum leather Weight Model No 205394 34 lb 15 kg Model No 205395 37 lb 17 kg Sound Pressure Level measure...

Page 20: ...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 incident...

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