Graco Mini Fire-Ball 246775 Quick Start Manual Download Page 1

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Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441

Fire-Ball

Oil Pumps

For non-corrosive and non-abrasive oils

and lubricants only.

Mini Fire-Ball 225, 3:1 Bare Oil Pump, Part 246775

540 psi (3.7 MPa, 37 bar) Maximum Working Pressure
180 psi (1.24 MPa, 12.4 bar) Maximum Air Input Pressure

Fire-Ball 300, 5:1, Bare Oil Pump, Part 203876

900 psi (6.2 MPa, 62 bar) Maximum Working Pressure
180 psi (1.24 MPa, 12.4 bar) Maximum Air Input Pressure

Fire-Ball 425, 3:1, Bare Oil Pump, Part 237526

540 psi (3.7 MPa, 37 bar) Maximum Working Pressure
180 psi (1.24 MPa, 12.4 bar) Maximum Air Input Pressure

Fire-Ball 425, 6:1, Bare Oil Pump, Part 238108

1100 psi (7.6 MPa, 76 bar) Maximum Working Pressure
180 psi (1.24 MPa, 12.4 bar) Maximum Air Input Pressure

Fire-Ball 425, 10:1, Bare Oil Pump, Part 205626

1800 psi (12.4 MPa, 124 bar) Maximum Working Pressure
180 psi (1.24 MPa, 12.4 bar) Maximum Air Input Pressure

Important Safety Instructions

Read all warnings and instructions in this manual.

Save these instructions.

Parts/Materials required

See

page 5

Time required to rebuild pump

1 hour

Service, Repair, and Parts

309869C

Summary of Contents for Mini Fire-Ball 246775

Page 1: ...Input Pressure Fire Ball 425 3 1 Bare Oil Pump Part 237526 540 psi 3 7 MPa 37 bar Maximum Working Pressure 180 psi 1 24 MPa 12 4 bar Maximum Air Input Pressure Fire Ball 425 6 1 Bare Oil Pump Part 23...

Page 2: ...nstrates some of the repair steps Click on this movie projector symbol in the instruction manual to see a short video or anima tion When using Adobe Acrobat use the arrows circled in red to individual...

Page 3: ...ble with equipment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings Check equipment daily Repair or replace worn or damaged parts immediately Do...

Page 4: ...re in this manual Disconnect power or air supply TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallowed Read MSDS s...

Page 5: ...1 Gallon Bucket Straight Blade Screwdriver or nut driver Large Vise Crescent Wrench Model 225 Use adjustment tool part 15E796 15E796 is also included in Repair Kit 246918 Models 300 and 425 Use adjus...

Page 6: ...nually relieved Read PRESURIZED EQUIPMENT HAZARD warnings beginning on page 3 1 Close the pump air regulator C and the bleed type master air valve A required in your sys tem 2 Hold a metal part of the...

Page 7: ...3 Disconnect any hoses 4 Remove the pump from its mounting Disassembly 1 Vertically clamp the valve hous ing 42 in a vise and use a strap wrench or chain wrench to loosen the valve housing by turning...

Page 8: ...Service and Repair 8 309869C 3 Use a strap wrench or chain wrench on the fluid cylinder 41 to screw it out of the air motor base 28 4 Pull the fluid cylinder 41 off 5 Remove the valve housing 42...

Page 9: ...6 Remove ball retainer and inspect the metallic ball 8 ball retainer 44 and seat of valve housing 42 for damage 7 Remove and replace the o ring packing 21 8 Screw the valve housing 42 into the fluid...

Page 10: ...isplacement rod 29 down 10 Using wrenches on the flats of the displacement rod 29 and on the flats of the fluid piston 43 unscrew the fluid piston from the displacement rod 11 Remove the metallic ball...

Page 11: ...pair 309869C 11 12 Remove the packing o ring 11 from the fluid piston 43 13 Unscrew the cylinder cap nut 39 from the top of the air motor cylin der 35 14 Pull up on the cylinder cap nut 39 to expose t...

Page 12: ...for part numbers 16 Unscrew the cylinder cap nut 39 from the trip rod 40 17 Thread the service nut A not supplied onto the top of the trip rod 40 CAUTION Do not damage the plated surface of the trip...

Page 13: ...7 holding the air motor plate identification 46 to the air motor base 28 19 Remove the six hex head screws 7 holding the warning plate 47 to the air motor base 28 20 Remove the six hex head cap screw...

Page 14: ...of the air motor piston 34 22 Pull the air motor piston displace ment rod assembly 34 29 clear of the air motor base 28 23 Remove o ring packing 12 CAUTION To avoid damaging the cylinder wall pull the...

Page 15: ...nd Repair 309869C 15 24 Remove the block packing 16 from the bottom of the air motor base 28 25 Remove the o ring packing 13 from the air motor base 26 Clamp the air motor piston 34 in an upright posi...

Page 16: ...the trip rod yoke 23 to snap the toggle arms 38 down 29 Place an adjustable wrench on top of the toggle arms 38 and push down to compress the spring and release from the piston lug WARNING To reduce t...

Page 17: ...ervice and Repair 309869C 17 30 Swing the toggle assembly up and away from the piston lugs and remove the assembly 31 Remove the toggle pins 36 from the trip rod yoke 23 32 Straighten the lockwires 25...

Page 18: ...Service and Repair 18 309869C 33 Remove the lockwires 25 from the valve nuts 24 34 Screw the top valve nuts off 24 35 Pull the valve assembly out of the piston...

Page 19: ...9 36 Remove the trip rod 40 trip rod yoke 23 and valve actuator 27 37 To remove the valve poppets 31 cut them with a sharp knife or side cutter 38 To remove the lower valve grom mets 17 cut them off w...

Page 20: ...Service and Repair 20 309869C 39 Unscrew and remove the bottom valve nuts 24 and the poppet valve 32 Disassembly is complete...

Page 21: ...neces sary 2 Check the polished surfaces of the air motor piston 34 displace ment rod 29 and air motor cylin der 35 wall for scratches or wear A scored rod will cause pre mature packing wear and leak...

Page 22: ...sure that all moving parts are greased thoroughly to prevent unnecessary wear 1 Clamp the displacement rod 29 upright in the vise by closing the vise jaws on the flats of the dis placement rod 2 Insta...

Page 23: ...embly 309869C 23 3 Pull the new poppet valves 31 into the valve actuator 27 4 Clip off the top parts of the valve poppets 31 shown with dotted lines 5 Place the poppet valves 32 in the air motor pisto...

Page 24: ...run out If you thread the valve nuts too far down onto the poppet valves they will run off of the threaded part 7 Assemble the trip rod yoke 23 and actuator valve 27 and insert the trip rod 40 8 Greas...

Page 25: ...ator 27 is aligned by the spring clips 26 and slides easily into them Replace the spring clips 26 if worn or bent 10 Thread the top valve nuts 24 onto the stems of the poppet valves 32 until snug 11 I...

Page 26: ...the gap adjustment tool Use part no 15E796 which is also in cluded in Repair Kit 246918 for Mini Fire Ball 225 pumps Use part no 171818 for all other Fire Ball pump models Adjust the distance between...

Page 27: ...ough the holes in the top and bottom valve nuts For more detail see FIG 1 page 36 16 Pull the lock wires 25 down tightly and bend the ends out with pliers so that they cannot be pulled back out of the...

Page 28: ...Grease and install the new o ring packing 13 19 Grease and install the new o ring packing 12 20 Install the new block packing 16 through the bottom of the air motor base 28 with the lips fac ing towar...

Page 29: ...se 28 in a vise by closing the vise jaws below the flange 22 Grease the outside of the air motor piston 34 and displace ment rod 29 23 Slide the displacement rod 29 through the packings and slide the...

Page 30: ...otor base 28 26 Remove the nut A on the trip rod 40 and grip the trip rod with pad ded pliers see page 5 CAUTION To avoid damaging the air motor cyl inder wall slide the cylinder straight onto the pis...

Page 31: ...09869C 31 27 Tighten the cylinder cap nut 39 28 Screw the cylinder cap 39 onto the top of the cylinder 29 Replace the six hex head screws 7 holding the air motor plate identification 46 onto the air m...

Page 32: ...bly 32 309869C 30 Replace the six screws 7 holding the warning plate 47 onto the air motor base 28 31 Place the ball 6 into the dis placement rod 29 32 Install the new o ring packing 11 onto the fluid...

Page 33: ...an threads 34 Thread the fluid piston 43 onto the displacement rod 29 Torque to 40 to 60 ft lb 54 to 81 N m 35 Replace the fluid cylinder 41 with valve housing 42 back into the air motor base 28 Torqu...

Page 34: ...o make the air motor run Make sure that it operates smoothly 1 Place the pump back into it s mounting 2 Reconnect any hoses 3 Reconnect the ground wire from the ground screw 14 4 Pressurize the pump W...

Page 35: ...luid lines hoses valve etc Clear Damaged air motor Service air motor Exhausted fluid supply Refill and reprime or flush Continuous air exhaust Worn or damaged air motor gasket packing seal etc Service...

Page 36: ...Troubleshooting 36 309869C FIG 1 25 24 37 20 17 31...

Page 37: ...309869C 37...

Page 38: ...425 Pumps Only A B The 425 pump series has an air exhaust muffler A instead of muffler plates 46 47 that Models 225 and 300 have The 425 pump models also have a piston washer that Models 225 and 300 d...

Page 39: ...UT valve 4 25 15C247 WIRE lock 2 26 15C248 CLIP spring 2 27 15C249 ACUTATOR valve 1 28 253580 BASE motor air includes 28a 1 28a 116343 SCREW grounding 1 29 15C252 ROD displacement mp 1 30 15C266 GASKE...

Page 40: ...YOKE rod trip 1 24 160261 NUT valve 4 25 160618 WIRE lock 2 26 172866 CLIP spring 2 27 172867 ACUTATOR valve 1 28 238278 BASE motor air 1 29 191124 ROD displacement 1 30 160932 GASKET copper 1 31 1707...

Page 41: ...10828 PACKING o ring 1 23 158360 YOKE rod trip 1 23S 102656 MUFFLER air exhaust 1 24 160261 NUT valve 4 25 160618 WIRE lock 2 26 158361 CLIP spring 2 27 158359 ACTUATOR valve air 2 28 190229 BASE air...

Page 42: ...ression 2 21 112349 PACKING o ring 1 23 158360 YOKE rod trip 1 23S 102656 MUFFLER air exhaust 1 24 160261 NUT valve 4 25 160618 WIRE lock 2 26 158361 CLIP spring 2 27 158359 ACTUATOR valve air 2 28 19...

Page 43: ...85 SPRING helical compression 2 21 156633 PACKING o ring 1 23 158360 YOKE rod trip 1 23S 102656 MUFFLER air exhaust 1 24 160261 NUT valve 4 25 160618 WIRE lock 2 26 158361 CLIP spring 2 27 158359 ACTU...

Page 44: ...n lift feet of water 23 Wetted materials steel polyurethane aluminum buna N Rulon Air inlet port size 3 8 in npt f Fluid inlet port size 1 5 in npt f Fluid outlet port size 1 2 in npt f Sound pressure...

Page 45: ...3 min 11 5 lpm Dry suction lift feet of water 26 Wetted materials steel polyurethane aluminum buna N Air inlet port size 3 8 in npt f Fluid inlet port size 1 5 in npt f Fluid outlet port size 1 2 in n...

Page 46: ...3 min 50 6 lpm Dry suction lift feet of water 26 Wetted materials steel polyurethane aluminum nitrile Air inlet port size 1 2 in npt f Fluid inlet port size 1 5 in npt f Fluid outlet port size 3 4 in...

Page 47: ...m3 min 25 7 lpm Dry suction lift feet of water 23 Wetted materials steel polyurethane aluminum nitrile Air inlet port size 1 2 in npt f Fluid inlet port size 1 5 in npt f Fluid outlet port size 3 4 i...

Page 48: ...pm Dry suction lift feet of water 26 Wetted materials steel polyurethane aluminum nitrile Air inlet port size 1 2 in npt f Fluid inlet port size 1 5 in npt f Fluid outlet port size 3 4 in npt f Sound...

Page 49: ...Notes 309869C 49 Notes...

Page 50: ...or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRE...

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