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Instructions Grease or Oil A4000 Reciprocating ™ LubePro Pump 3A5266G For pumping non-corrosive and non-abrasive lubricants only. For professional use only. Models: Page 2 Important Safety Instructions 4000 psi (27.58 MPa, 275.8 bar) Maximum Working Read all warnings and instructions in Pressure this manual.
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 or on warning labels, refer back to these Warnings. Product-spe- cific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
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Warnings WARNING ELECTRIC SHOCK HAZARD This equipment must be grounded. Improper grounding, setup, or usage of the system can cause electric shock. • Turn off and disconnect power at main switch before disconnecting any cables and before servicing or installing equipment. •...
Installation Installation Typical Installation: Injector System (grease model pump shown) Power to Controller . 1: Typical Installation Key: Main Air Supply High Pressure Lubricant Supply Lines A1 Switched Air Supply Injector A2 Vent Valve Air Supply Lubricator Controller Filter/Regulator/Lubricator Assembly Pump Reservoir B1 - Air Filter Ground...
Installation Typical Installation: Divider Valve System (oil model pump shown) Power to Controller . 2: Typical Installation Key: Main Air Supply A1 Switch Air Supply Line Filter/Regulator/Lubricator Assembly B1 - Air Filter B2 - Air Regulator B3 - Air Lubricator Air Solenoid Valve (3-way) Pump Module Pump Outlet...
Installation Grounding Mounting Grounding is required if a low level switch and/or Mount the pump securely so that it cannot move an air valve using voltages above 30 VAC or 42 around during operation. Failure to do so could result VDC are attached to the pump.
Installation Air and Fluid Line Accessories Refer to F . 1 and F . 2, pages 5 and 6, for the follow- ing instructions. The maximum working pressure of each component in the system may not be the same. To reduce the Install the air line accessories in the order shown in F risk of over-pressurizing any part of the system, 1 and F...
Installation Fill Reservoir 2. Slowly add oil (ol) until reservoir is filled to capacity . 7). Take care to not fill reservoir too quickly Oil Models and overflow the reservoir capacity. 1. Open oil fill cap (32) on the top of the reservoir. NOTE: A filter (33) is installed at the oil fill cap (32) to prevent lubricant contamination (F .
Installation Priming Refer to F . 1 and F . 2, pages 5 and 6, for the follow- ing instructions. Over-pressurization can result in equipment rupture and serious injury. Fill slowly to avoid over pressuriz- NOTE: ing reservoir. • Prime the pump before connecting the outlet to supply line (G).
Installation Pressure Relief Procedure Divider Valves 1. Check for valve operation by Follow the Pressure Relief Procedure whenever you see this symbol. using a performance indicator (shows that the valve has cycled), or, checking for lubricant dispensing at each lube point. 2.
Operation Operation Low Level Switch (Models 17P751 (grease) and 17P753 (oil) only) Refer to F . 1 and F . 2, pages 5 and 6, for the follow- Oil Model 17P753 ing instructions. When the oil reservoir is full, the low level float (37) sits in the high, raised position as shown in F .
Troubleshooting Troubleshooting Problem Cause Solution Adjust air pressure/supply. No air Pump is not operating. No lubricant Open bleed-type master air valve (F) flow. (page 5 and 6). No lubricant in reservoir Fill the reservoir. Remove trapped air (see Priming, Losing prime Pump is operating.
Repair Repair 5. Remove the three screws (16) and washers (59) holding air motor (1) to pump base (2). Remove air motor from pump base (F . 15). Remove Air Motor See Oil and Grease Parts, pages 18 and 20. 1.
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Repair 4. Pry the pump cylinder (11) out of the pump base (2) 10. Remove the spring pin (20) securing the piston rod . 17). (19) to the shovel rod (12). Unscrew the piston rod to separate if from the shovel rod (F .
Repair 18. Inspect pump base (2) casting for scratches and 8. Apply oil resistant, thread locking compound (user scoring. If excessive damage is found, replace supplied) to threads of piston rod (19❖) and align- pump. ment rod (13❖). Screw the two rods together. Torque to 25-35 ft-lbs (34 to 47.5 N•m).
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Repair 16. Push seal retainer (9❖) into pump base (2). 17. Partially install pump cylinder (11❖) in pump base (2). 18. Lubricate o-ring (6‡❖) and install it around the shovel seal retainer (10❖) (F . 23). ‡❖ ❖ . 23 19.
Parts: Oil Models Repair Air Valve Disassemble the Air Valve (F . 25 and F . 26) 1. Stop pump. Relieve pressure. See Pressure Relief Procedure, page 11. 2. Perform steps 2-3 under Replace Complete Air Valve procedure. Replace Complete Air Valve 3.
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Parts: Oil Models 5. Remove the piston (302◆). Remove the u-cup seals Reassemble the Air Valve (F . 27 and F . 28) (308†◆) from each end and the detent assembly 1. Lubricate the detent cam (304◆) and install into the (303◆) and detent cam (304◆) from the center.
Parts: Oil Models Replace Pilot Valves Disassemble the Air Motor (F . 29) 1. Remove air motor (1) from pump base (2). See Remove Air Motor instructions, page 14. 2. Use a 10 mm socket wrench to remove four screws (211).
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Parts: Oil Models Reassemble the Air Motor (F . 30 and F the cylinder. The manifold surfaces of the top and bottom covers must align. Be sure the shield (206) is in the groove on both the top and bottom covers. NOTE: For easier reassembly, start with the top cover (210) turned over on the workbench and assemble the air motor upside-down.
Parts: Oil Models Air Motor Installation 1. Align air motor (1) in pump base (2). Align pin hole in air motor with pin hole in shovel rod (12). 2. Install three washers (59) and screws (16). Torque to 5 to 10 ft.-lbs (6.77 to 13.56 N•m) (F .
Air Motor Parts Air Motor Parts Ref. Description Qty. KIT, cover, bottom; includes 202 (qty 1), 24G695 203, 207, 213 (qty 1), and 217 Not sold separately. See Air Motor Seal Kit (below), Bottom Cover 202* O-RING, cover Kit (201, this table), or Top Cover Kit (210, this table) BEARING Not sold separately.
Air Motor Parts Complete Air Valve Replacement Kit 24A351 To replace the complete air valve, order Air Valve Replacement Kit 24A351. The kit includes items 301-312 below, and items 209 and 211 on page 30.Air Valve Repair Kits Air valve parts are not sold individually. The table below shows possible kit options for each part.
Air Valve Parts Pump Kits Parts To replace the soft seals in the pump, order Soft Seal Kit 17T654. The kit includes items 3, 4, 6, 7, 8, 17, 18, and 20. To replace the hard parts and seals in the pump, order Hard Parts and Seal Kit 17T655. The kit includes items 3 - 13 and 17- 21.
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.