Graco LD Series Instructions Manual Download Page 21

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Parts

3A1334P

Oil or Grease Pump Air Valve
Repair and Replacement Kits

Instructions related to the following kits are included in
instruction manual 3A1496 (included with the kit).

Replace Seals or Rebuild Air Valve Kits

Air Valve Repair Kit - 24H798, Air Valve Seal Kit -
24H851 and Air Valve End Cap - 24H852.

Air Valve Repair Kit - 24H798

Air Valve Seal Kit - 24H851

Air Valve End Cap Kit - 24H852

Ref.

Description

Qty.

Oil

Grease

SEAL, air valve, manifold

381

O-RING, 018 buna

382

SEAL, u-cup, bevel lip

383

SCREW, M3, thread forming

386

PISTON, air valve

387

ROLLER, assembly, detent

388

PLATE, air valve

389

SPRING, detent, small

390

CUP, air valve, small

391

CAM, detent, small

. 17

383

23/16

391

387

389

381

382

386

382

381

390

388

1 Lips face down

2 Lips face up

Ref.

Description

Qty.

Oil

Grease

SEAL, air valve, manifold

381

O-RING, 018 buna

382

SEAL, u-cup, bevel lip

383

SCREW, M3, thread forming

. 18

Ref. Description

Qty.

381 O-RING, 018 buna

384 PLUG, air valve

385 RING, snap

. 19

23/16

383

382

381

1 Lips face down

Lips face up

385

384

381

Summary of Contents for LD Series

Page 1: ... use only Not for use with windshield washer fluid List of models including Maximum Fluid Pressure Oil Pump Models page 2 Grease Pump Models page 3 Related Translated Manuals Important Safety Instructions Read all warnings and instructions in this manual Save these instructions Manual Number Language 3A1339 Spanish 3A1345 French 3A1350 German 3A1360 Russian 3A1365 Chinese 3A1370 Japanese 3A1375 Ko...

Page 2: ...5 17 51 7 1 4 19 BSPP 1 11 BSPP 1 2 14 BSPP 24G587 1040 liter 275gal tote 150 1 03 10 3 750 5 17 51 7 1 4 19 BSPT 1 11 BSPT 1 2 14 BSPT 5 1 PUMPS psi Mpa bar psi Mpa bar Air inlet Fluid Inlet Fluid Outlet 24G588 Universal 150 1 03 10 3 750 5 17 51 7 1 4 18 NPT 1 11 5 NPT 1 2 14 NPT 24G589 Universal 150 1 03 10 3 750 5 17 51 7 1 4 19 BSPP 1 11 BSPP 1 2 14 BSPP 24G590 Universal 150 1 03 10 3 750 5 1...

Page 3: ...n 1 4 19 BSPT 24G603 55kg 120lb 150 1 03 10 3 7500 51 7 517 1 4 18 Npt Priming piston 1 4 18 Npt 24G604 55kg 120lb 150 1 03 10 3 7500 51 7 517 1 4 19 BSPP Priming piston 1 4 19 BSPP 24G605 55kg 120lb 150 1 03 10 3 7500 51 7 517 1 4 19 BSPT Priming piston 1 4 19 BSPT 24G606 180kg 400lb 150 1 03 10 3 7500 51 7 517 1 4 18 Npt Priming piston 1 4 18 Npt 24G607 180kg 400lb 150 1 03 10 3 7500 51 7 517 1 ...

Page 4: ... your hand body glove or rag Follow Pressure Relief Procedure in this manual when you stop spraying and before cleaning checking or servicing equipment Tighten all fluid connections before operating the equipment Check hoses and couplings daily Replace worn or damaged parts immediately FIRE AND EXPLOSION HAZARD When flammable fluids are present in the work area such as gasoline and windshield wipe...

Page 5: ...o not kink or over bend hoses or use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regulations PRESSURIZED ALUMINUM PARTS HAZARD Use of fluids that are incompatible with aluminum in pressurized equipment can cause serious chemical reaction and equipment rupture Failure to follow this warning can result in death serious injury or property da...

Page 6: ...Pump C Ground wire D Pump runaway valve E Air lubricator F Bleed type master air valve required NPT Part No 110223 BSP Part No 125272 G Air regulator self relieving regulator required NPT Part No 24H420 BSP Part No 24H419 H Air filter J Main air line K Bung adapter Part No 24F918 L Fluid inlet line flexible connection required M Air inlet line flexible connection required N Wall mount bracket Part...

Page 7: ...ctive placed on a grounded surface Do not place the pail on a nonconductive surface such as paper or card board which interrupts the grounding continuity To maintain grounding continuity when flushing or relieving pressure hold a metal part of the dispens ing valve firmly to the side of a grounded metal pail then trigger the dispense valve Installation Guidelines Reference letters found in the fol...

Page 8: ...gulator G but within easy reach of the pump For NPT models order Graco Part No 110223 or for BSP models order Graco Part No 125272 On the main air supply line from the compressor install an air line filter H to remove harmful dirt and contaminants from the compressor air supply Follow Plate Grease Models Only For grease models only a follow plate is required for pumping fluid from the drum See pag...

Page 9: ...o dive on the downstroke when a dispensing valve is closed THERMAL EXPANSION HAZARD Fluids subjected to heat in confined spaces including hoses can create a rise in pressure due to the thermal expansion Over pressurization can result in equipment rupture and serious injury Oil pumps have a built in thermal induced pressure relief as shown in FIG 4 To ensure system pressure will automatically bleed...

Page 10: ...operation A grease pump has a ratio of 50 1 However it is capable of reaching a stall pressure equal to 60 times the air input pressure To calculate the fluid output pressure using the air regulator reading multiply the regulator gauge by 60 For example 140 psi air x 60 8400 psi fluid output 0 97 MPa air x 60 58 2 MPa 99 7 bar x 60 582 bar Regulate air to the pump so that no air line or fluid line...

Page 11: ...stallation reach into drum and pull on follow plate ring b to remove follow plate FIG 6 Place follow plate on a clean paper card board or clean shop rags DO NOT PLACE ON SHOP FLOOR Remove drum and install new one 5 Examine follow plate to make sure rubber grommet c is in place in center of the plate FIG 7 6 Set follow plate on top of fresh grease FIG 8 Remove air by pushing on the follow plate unt...

Page 12: ... master air valve and open the pump air regulator just until the pump is running When the pump is primed and all air has been pushed out of the lines release the trigger Repair Replacing Pilot Valves Reference letters shown in the following instructions refer to Typical Installation diagram page 6 Part num bers refer to the Parts pages beginning on page 14 1 Stop pump at the middle of its stroke 2...

Page 13: ...Notes 3A1334P 13 Notes ...

Page 14: ...ty warning multiple 1 43 SCREW M6 x 25 mm 8 50 24F918 ADAPTER bung LD pump 1 51 16G121 STRAINER 1 52 16F878 TUBE PVC LD pump models 24G579 24G591 1 16F948 TUBE PVC LD pump models 24G580 24G592 1 16F949 TUBE PVC LD pump models 24G581 24G593 1 53 16F886 TUBE metal LD pump models 24G582 24G594 1 16F950 TUBE metal LD pump models 24G583 24G595 1 16F951 TUBE metal LD pump models 24G584 24G596 1 54 16F88...

Page 15: ...7 6 20 7 22 9 8 36 18 19 15 51 50 18 31 Torque to 60 70 in lbs 6 8 7 9 N m 3 Torque to 25 35 in lbs 2 8 3 9 N m 4 Torque to 110 120 in lbs 12 4 13 6 N m 5 Torque to 155 160 in lbs 17 5 18 0 N m 6 Torque to 20 25 ft lbs 27 34 N m 2 Torque to 20 30 in lbs 2 3 3 4 N m 1 Lips face down 11 1 6 1 3 4 11 2 5 2 3 4 55 ...

Page 16: ... 1 1 26 CYLINDER HP 50 1 1 27 24J380 KIT cylinder shovel 1 28 SEAL intake 1 29 RETAINER seal al 1 30 GASKET 2 31 BEARING throat 1 32 ROD connection 1 33 GUIDE air 1 34 ROD priming 1 35 PISTON shovel 50 1 1 36 CYLINDER spacer 1 37 NUT retainer 1 38 WASHER 32 OD 1 39 HOUSING manifold machined 1 40 VALVE air small 1 41 1GH013 LABEL identification LD 50 1 1 42 16G243 LABEL safety warning multiple 1 43...

Page 17: ...23 28 10 29 35 19 7 22 19 30 18 1 8 8 8 7 8 7 10 3 20 1 9 3 9 11 Torque to 60 70 in lbs 6 8 7 9 N m 3 Torque to 30 40 in lbs 3 4 4 5 N m 9 Torque to 155 160 in lbs 17 5 18 0 N m 7 Torque to 45 55 ft lbs 61 75 N m 8 Torque to20 30 in lbs 2 3 3 4 N m 1 Torque to 30 35 in lbs 3 4 4 0 N m 10 Lips face down 11 ...

Page 18: ...eals in the pump lower Order repair kit 24K293 for 3 1 pumps or 24H855 for 5 1 pumps Instructions related to this kits are included in instruction manual 3A1494 included with the kit Kit No Description Qty 24H611 KIT repair intake valve npt includes 11 15 28 35 51 1 24J430 KIT repair intake valve bspp includes 11 15 28 35 51 1 24J431 KIT repair intake valve bspt includes 11 15 28 35 51 1 Ref Descr...

Page 19: ...cluded in instruction manual 3A1495 included with the kit Ref Part No Description Qty 5 O RING 1 18 BOLT 1 19 WASHER 1 21 AIR PISTON 1 25 15R001 GASKET cover small 2 27 AIR CYLINDER 1 55 O RING 1 101 LABEL identification 1 102 LABEL overlay 1 FIG 13 25 101 102 27 18 19 21 5 55 Ref Description Qty 5 O RING air piston 1 6 O RING 1 7 O RING 1 8 PIN slotted straight 3 11 SEAL u cup 1 12 O RING 3 18 GA...

Page 20: ...on manual 3A1494 included with the kit Ref Description Qty 8 PIN slotted straight 3 10 O RING 1 24 SEAL piston 1 28 SEAL intake 1 30 GASKET 2 FIG 15 28 10 24 30 8 Ref Description Qty 5 O RING 1 8 PIN straight slotted 2 5 x 16 1 13 GASKET 32 OD 1 15 PISTON air plastic 1 18 GASKET cover small 2 19 NUT hex 1 21 CYLINDER air machined 1 25 ROD displacement 50 1 1 38 WASHER 32 OD 1 101 LABEL identificat...

Page 21: ...G 018 buna 2 382 382 SEAL u cup bevel lip 2 383 383 SCREW M3 thread forming 2 386 386 PISTON air valve 1 387 387 ROLLER assembly detent 1 388 388 PLATE air valve 1 389 389 SPRING detent small 1 390 390 CUP air valve small 1 391 391 CAM detent small 1 FIG 17 383 23 16 391 387 389 381 382 386 382 381 390 388 1 2 1 Lips face down 2 Lips face up Ref Description Qty Oil Grease 23 16 SEAL air valve mani...

Page 22: ...alve seal 23 16 order the Air Motor Service Kit 24J757 npt 24J758 bspp or 24J759 bspt Air Motor Service Kit 24J757 npt 24J758 bspp 24J759 bspt FIG 21 I FIG 20 Ref Description Qty Oil Grease 23 16 SEAL air valve 1 38 40 VALVE air small 1 43 43 SCREW M6 x 25 4 43 38 40 23 16 Ref Description Qty 20 VALVE pilot 2 FIG 21 Ref Description Qty Oil Grease 20 20 VALVE pilot 2 23 16 SEAL air valve 1 40 40 VA...

Page 23: ...piston o ring is damaged Check and replace parts as needed Exhausted fluid supply Refill and reprime The pump inlet filter is blocked Clear the filter The suction tube hose has an air leak Check the connection and tighten as needed Pump fails to operate or stops Damaged pilot valve Service pilot valve Lower air pressure to prevent reoc currence Damaged main air valve Replace air valve Lower air pr...

Page 24: ...air leakage past valve u cup sealing surface Lower compressed air dewpoint Increase compressed air tempera ture Decrease air pressure Increase ambient room temperature Pump operates but output is low Held open or worn intake valve Clear service Held open or worn pump piston packings Clear service The muffler is partially blocked Clear muffler The inlet filter is partially blocked Clear the filter ...

Page 25: ...fluid supply Refill and reprime or flush Worn pump seals Replace Damaged shovel tube Replace Damaged check seat Replace pump piston or shovel rod or other damaged part Errataic or accelerated pump speed Exhausted fluid supply Refill and reprime of flush Fluid too heavy for pump priming Use inductor or follow plate Damaged valve gasket Replace valve gasket Lower air pressure to prevent reoc currenc...

Page 26: ...ded air pressure for optimum pump life 125 psi 8 6 bar 0 86 MPa Air consumption at 100 psi See Performance Curves page 28 Cycles per gallon liter 3 1 29 cycles per gallon 7 cycles per liter 5 1 37 cycles per gallon 10 cycles per liter Maximum recommended pump speed 3 1 120 cycles per minute 5 1 180 cycles per minutes Recommended speed for optimum pump life 75 cycles per minute and lower 3 1 2 6 ga...

Page 27: ... 4 1076 51 5 1307 Drum 35 7 907 44 8 1138 Tote 42 8 1087 51 9 1318 Multi down tube is angle cut to the desired length as required 3 8 10 mm minimum L L Universal Pump Multi Drum Tote O O a a 1 4 inch air inlet b 1 inch fluid inlet c 2 inch npt bung adapter d ground screw a d d c c b b e e e 1 2 inch fluid outlet opposite of d ...

Page 28: ...L EDU SVL EDU SVL EDU QOHW LU 3UHVVXUHV 3 1 Performance Curve Tested with ISO 46 Hyd Oil 5HFRPPHQGHG 2SHUDWLQJ 5DQJH OXLG 3UHVXUH SVL EDU 0 10 3 20 6 30 8 40 1 1 0 100 6 9 200 13 8 300 20 7 400 27 6 500 34 5 600 41 4 0 1 3 84 2 7 6 3 11 4 4 15 1 5 18 9 6 26 5 74 148 222 7 26 5 LU ORZ VFIP P PLQ OXLG ORZ JSP OSP 5 1 Performance Curve Tested with ISO 46 Hyd Oil 5HFRPPHQGHG 2SHUDWLQJ 5DQJH OXLG 3UHVX...

Page 29: ... pump speed 120 cycles per minute Recommended speed for optimum pump life 60 cycles per minute or lower flow rate 1 3 pounds per minute 0 6 kg per minute Wetted parts steel brass nitrile rubber polyurethane UHMWPE acetal Sound pressure level 72 9 dB a Sound power level 82 0 dB a Performance curve See chart page 30 Approximate weight 35 pound drum 11 2 pounds 5 1 kg 120 pound drum 15 0 pounds 6 8 k...

Page 30: ...45 mm 1145 mm 23 6 in 37 2 in 45 0 in 400 pound drum 120 pound drum 35 pound drum 14 5 in 370 mm 28 1 in 715 mm 36 0 in 915 mm a 1 4 inch air inlet b 1 4 inch fluid outlet c 2 inch npt mounting configuration d ground screw a d c b d a b c b a d c ...

Page 31: ...Notes 3A1334P 31 Notes ...

Page 32: ...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 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...

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