Graco LD Series Instructions Manual
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Graco LD Series Instructions Manual

Oil and grease pump
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Instructions
LD Series Oil and Grease
Pump
For dispensing non-corrosive and non-abrasive lubricants, oil, grease, and automatic
transmission fluids in stationary or mobile installations. Use with compressed air only. For
professional 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
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
Related Translated Manuals
Manual Number Language
3A1339
Spanish
3A1345
French
3A1350
German
3A1360
Russian
3A1365
Chinese
3A1370
Japanese
3A1375
Korean
3A2329
Czech
3A1334P
EN
II 2 G Ex h T6 Gb

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Summary of Contents for Graco LD Series

  • Page 1 Instructions LD Series Oil and Grease 3A1334P Pump For dispensing non-corrosive and non-abrasive lubricants, oil, grease, and automatic transmission fluids in stationary or mobile installations. Use with compressed air only. For professional use only. Not for use with windshield washer fluid.

  • Page 2: Oil Pump Models

    Oil Pump Models Oil Pump Models All oil models include a 2” npt(m) bung adapter. Description Max air pressure Max Fluid Pressure Fluid Fluid Air inlet Inlet Outlet 3:1 PUMPS 1/4"-18 1"-11.5 1/2"-14 24G576 Universal 1.03 10.3 5.17 51.7 1/4"-19 1-11 1/2"-14 24G577...

  • Page 3: Grease Pump Models

    Grease Pump Models Grease Pump Models Description Max Air Pressure Max Fluid Pressure Fluid Fluid Air Inlet Inlet Outlet 50:1 PUMPS 1/4"-18 Priming 1/4"-18 24G600 16kg (35lb) 1.03 10.3 7500 51.7 piston 1/4"-19 Priming 1/4"-19 24G601 16kg (35lb) 1.03 10.3 7500 51.7 BSPP...
  • Page 4 Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
  • Page 5 Warnings WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.

  • Page 6: Typical Installation

    Typical Installation The typical installation shown in F . 1 is only an installation guide. It is not an actual system design. Contact your Graco Distributor for assistance in designing a system to suit your needs. Stationary Mountings Recommended air line...

  • Page 7: Installation

    Reference letters found in the following instructions, refer to Typical Installation diagram provided on page 6. NOTE: To order a ground wire and clamp, order Graco • A ball valve must be installed upstream of the regu- Part No.
  • Page 8 Pump Mounting and pressure. 1. Install bung adapter (K) into bung mount/bracket/or drum cover. For NPT models order Graco Part No. 24H420 or for BSP models order Graco Part No. 24H419. 2. Install pump (B) into bung adapter (K). •...

  • Page 9: Operation

    The pump piston moves downward exposing • Only use Graco designed suction tubes for in-drum the pump cylinder relief passage at the bottom of the or in-tank applications. stroke. Additional excess pressure is then relieved through both the inlet check relief passage and the •...

  • Page 10: Pressure Relief Procedure

    Operation Install only one pump per delivery system. Do not use Start-up the pumps in a parallel pump installation. Determining Output Pressure Using the Air Loss of pump prime can occur if all the following events Regulator occur in sequence: To determine the fluid output pressure using the air reg- 1.
  • Page 11 Operation Step 6 is for Oil Pumps Only: 3. Remove pump and cover from drum and place on a clean paper, cardboard, or clean shop rags. DO 6. The thermal relief feature of this oil pump can NOT PLACE ON SHOP FLOOR. increase the amount of time needed to fully prime the pump when compared to pumps without a ther- 4.

  • Page 12: Replacing Pilot Valves

    Repair grease level is flush with the opening in the middle 8. Tighten thumb screws (a) to secure cover to drum. of the follow plate (d). . 10 9. For the pump that is connected, trigger the dispens- ing valve into a grounded metal waste container making firm, metal-to-metal contact between the container and the valve.
  • Page 13 Notes Notes 3A1334P...
  • Page 14 Parts Parts 3:1 Oil Pump Models: 24G576 - 24G587: 5:1 Oil Pump Models: 24G588 - 24G599 Part No Description Part No Description  16G243 LABEL, safety, warning, multiple 116343 SCREW, ground  SCREW, M6 x 25 mm SCREW 24F918 ADAPTER, bung, LD pump SCREW M6 x 22 mm @ 16G121...
  • Page 15 Parts Kits Page 52, 53 or 54, Page Torque to 20-30 in lbs (2.3 - 3.4 N•m) Torque to 20 - 25 ft lbs (27- 34 N•m) Torque to 60 - 70 in lbs (6.8 - 7.9 N•m) Torque to 25 - 35 in lbs (2.8 - 3.9 N•m) Torque to 110 - 120 in lbs (12.4 - 13.6 N•m) Torque to 155-160 in lbs (17.5 - 18.0 N•m) Lips face down...
  • Page 16 Parts 50:1 Grease Pump Models: 24G600 - 24G608; 24X871 Part No. Description Part No. Description ROD, priming 116343 SCREW, ground PISTON, shovel, 50:1 SCREW CYLINDER, spacer SCREW, M6 X 22 mm NUT, retainer + O-RING, air piston  WASHER, 32 OD O-RING (not shown) HOUSING, manifold, machined O-RING...
  • Page 17 Parts Torque to20 - 30 in lbs (2.3 - 3.4 N•m) Torque to 60 - 70 in lbs (6.8 - 7.9 N•m) Torque to 155 -160 in lbs (17.5-18.0 N•m) Torque to 45 - 55 ft lbs (61 - 75 N•m) Torque to 30 - 40 in lbs (3.4 - 4.5 N•m) Torque to 30 - 35 in lbs (3.4 - 4.0 N•m) Lips face down...

  • Page 18: Related Oil Pump Kits

    Parts Related Oil Pump Kits Throat and Piston Seal Replacement Kit - 24H853 (F . 12) NOTE: When servicing the throat and piston seals, it is Kit No. Description recommended to also replace seals in the pump lower. KIT, repair, intake valve, npt, 24H611 Order repair kit: 24K293 for 3:1 pumps or 24H855 for includes 11, 15, 28, 35, 51...

  • Page 19: Related Grease Pump Kits

    Parts Related Grease Pump Air Piston Replacement Kit - 24U230 (F Kits NOTE: Instructions related to this kit are included in instruction manual 3A1494 (included with the kit). Throat and Piston Seal Replacement Kit - Ref. Part No. Description Qty. 24H854 (F .
  • Page 20 Parts O-Ring and Seal Replacement Kit - 24H856 Air Piston Replacement Kit - 24U984 (F . 15) Instructions related to this kit are included in instruction NOTE:. Instructions related to this kit are included in manual 3A1495 (included with the kit). instruction manual 3A1494 (included with the kit).

  • Page 21: Oil Or Grease Pump Air Valve Repair And Replacement Kits

    Parts Oil or Grease Pump Air Valve Air Valve Seal Kit - 24H851 Repair and Replacement Kits Ref. Description Qty. Grease Instructions related to the following kits are included in SEAL, air valve, manifold instruction manual 3A1496 (included with the kit). O-RING, 018 buna Replace Seals or Rebuild Air Valve Kits SEAL, u-cup, bevel lip...
  • Page 22 Parts Air Valve Replacement Kit - 24H848 (npt), Pilot Valve Replacement Kit - 24H749 24H849 (bspp), 24H850 (bspt) (F . 20) This kit only includes the pilot valves (20). If you also are repairing/replacing the air valve (38/40) and air valve seal (23/16) order the Air Motor Service Kit 38/40 - 24J757 (npt), 24J758 (bspp) or 24J759 (bspt).

  • Page 23: Troubleshooting

    Troubleshooting Troubleshooting NOTE: Check all other possible problems and solutions before disassembling the pump. Before you troubleshoot problems using the table below, relieve the pressure and disconnect the pump fluid line. If the pump starts when the air is turned on again, the fluid line, dispensing valve, etc.
  • Page 24 Troubleshooting Problem Cause Solution Replace gasket. Gasket is leaking Lower air pressure to prevent reoc- Intermittent air leakage coming from currence. behind the air manifold. Pump con- tinues to function normally. Clear obstruction. Thermal relief inlet check relief pas- sage in inlet housing is plugged Replace inlet filter.

  • Page 25: Grease Models

    Troubleshooting Grease Models Inadequate air supply pressure or Increase air supply and/or clear restricted air lines restriction. Closed or clogged pump valves Open and/or clean. Clogged fluid line, hose, valve, or Relieve pressure. Pump fails to operate other accessory Clear obstruction. Assess damage, and service air Damaged air motor motor.

  • Page 26: Technical Data

    Technical Data Technical Data 3:1 or 5:1 Oil Models Maximum fluid working pressure 750 psi (51.7 bar, 5.17 MPa) Fluid pressure ratio 3:1 or 5:1 Suction lift (feet of oil) Air operation range 20 to 150 psi (1.37 to 10.3 bar; 0.137 to 1.03 MPa) Recommended air pressure for optimum <125 psi (8.6 bar, 0.86 MPa) pump life...
  • Page 27 Technical Data Dimensions *Multi down tube Model (Overall Length) inches (mm) is angle cut to the inches (mm) desired length as required Universal Pump 6.9 (175) 16 (406) 3/8” (10 mm) Only minimum Multi* 42.4 (1076) 51.5 (1307) Drum 35.7 (907) 44.8 (1138) Tote 42.8 (1087)
  • Page 28 Technical Data Performance Curve 3:1 Oil Models 3:1 Performance Curve Tested with ISO 46 Hyd Oil ,QOHW $LU 3UHVVXUHV &\FOHV SHU PLQXWH  SVL  EDU (1.1)  SVL (27.6)  EDU (.8) &  SVL (20.7)  EDU (.6) (13.8) &...

  • Page 29: 50:1 Grease Models

    Technical Data 50:1 Grease Models Maximum working pressure 7500 psi (517 bar, 51.7 MPa) Fluid pressure ratio 50:1 Air operation range 20 to 150 psi (1.37 to 10.3 bar; 0.137 to 1.03 MPa) Air consumption (at 100 psi) See Performance Curve, See below Pump cycles per pound (cycles per kg) 47 cycle per pound (103 cycle per kg) Maximum recommended pump speed...
  • Page 30 Technical Data Dimensions a = 1/4 inch air inlet b = 1/4 inch fluid outlet c = 2 inch npt mounting configuration d = ground screw 23.6 in. 600 mm 14.5 in. 37.2 in. 370 mm 945 mm 36.0 in. 28.1 in.
  • Page 31 Notes Notes 3A1334P...

  • Page 32: Graco 5-Year Pump Warranty

    With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period from the date of sale as defined in the table below, repair or replace equipment covered by this warranty and determined by Graco to be defective.

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