Alemite 9911-1 Manual de serviço - Página 7

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High-Pressure Grease Pump

Overhaul

NOTE: Refer to Figures 2-A and 2-B for

component identification on all overhaul

procedures.

Prior to performing any maintenance procedure, the

following safety precautions must be observed. Personal

injury may occur.

WARNING

Do not use halogenated hydrocarbon sol-

vents such as methylene chloride or 1,1,1-trichlo-

roethane in this pump. An explosion can result

when aluminum and/or zinc-plated parts in the

pump come in contact with halogenated hydrocar-

bon solvents.

Release all pressure within the system prior to

performing any overhaul procedure.

• Disconnect the air supply line from the pump

motor.

• Into an appropriate container, operate the

control valve to discharge remaining pressure

within the system.

Never point a control valve at any portion of your

body or another person. Accidental discharge of

pressure and/or material can result in injury.

Read each step of the instructions carefully. Make

sure a proper understanding is achieved before

proceeding.

Disassembly

Separate Air Motor from Pump Tube

1. Clamp the pump assembly in a soft-jaw vise at

Body (10).

2. Remove Cover (1a).

• Pry and swing the Cover sideways away from the

Cylinder.

• Refer to SER 339413 for details.

3. Remove Screw (1b) from the Top Cap.

4. Remove Nuts (1d) that secure the Body to Air Motor

Assembly (1).

5. Remove Carriage Bolts (1c) from the Top Cap.

• Remove Keepers (11) from the Body.

6. Remove the Top Cap from the Cylinder.

Alemite, LLC

CAUTION

Remove the Cylinder with care. Damage to Quad-

Ring (5) and/or O-Ring (8) can occur.

7. With a side-to-side motion, pull the Cylinder from the

Body and Air Piston (4).

8. Remove O-Ring (8) from the Body.

9. Remove the Bottom Cap from the Body.

Pump Tube Assembly

Air Piston

10.Remove Nut (2) and Washer (3) that secures Air Pis-

ton (4) to Rod (9).

• Place a punch or similar tool into the Rod to prevent

its rotation. See Figure 2-A.

• Remove the Air Piston from the Rod.

11.Remove Quad-Ring (5) from the Air Piston.

12.Remove O-Ring (6) and Washer (7) from the Rod.

Body Assembly

13.Remove O-Ring (8) from the Body.

Step for Model 9930 Only

14. Remove Screws (20) Lock Washers (19) that secure

Camlock Adapter (18) to the Body.

• Remove the Camlock Adapter from the Body.

• Remove O-Ring (17) from the Camlock Adapter.

15. Unscrew Upper Tube (22) from the Body.

16. Remove the Body assembly from the Rod.

17. From inside the Body remove:

• Gasket (16)

• Bearing (15)

• Seal (14)

• Lantern Ring (13)

• Seal (12)

Step for Model 9979-M Only

18. Unscrew Adapter (21) from the Body only when

necessary.

• Adapter is secured with Loctite 242.

Tube Assembly

19. Push the Rod assembly downward through Upper Tube

(22) until Primer Disk (39) protrudes from Primer

Body (41).

SER 9930

Revision (8-10)