Alemite 7735 Service-Handbuch - Seite 11

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Medium-Pressure Bulk Grease Pump

34. Screw the Lower Rod assembly into the piston rod

until the roll pin holes align.

• Use a socket wrench.

CAUTION

Support the Lower Rod assembly and Piston Rod

during Roll Pin (20) installation. Damage to compo-

nents can occur.

35. Install Roll Pin (20).

• Use a small hammer.

36. Screw the Upper Tube into Body (10).

• Use care passing the O-Ring.

37. Tighten the Lower Tube into the Upper Tube and at the

same time the Upper Tube into the Body.

38. Install O-Ring (18) into Camlock Adapter (19).

IMPORTANT: Lightly coat the inside diame-

ter of the O-Ring with grease.

39. Install the Camlock Adapter onto Air Motor

Assembly (1).

• Use care when the O-Ring passes Body (10).

40. Install Screws (4), Lockwashers (5), and Nuts (6) that

secure the Camlock Adapter to the Air Motor

Assembly.

• Tighten the Screws securely in a crisscross pattern.

Bench Test

1. Make sure air pressure at the regulator reads zero.

2. Install air Connector (2) to the inlet of the air motor.

3. Connect Air Coupler (3) to the Connector.

4. Slowly supply air pressure [not to exceed 20 psi

(1.4 Bars] to the pump's motor.

• The pump assembly should cycle.

If the pump assembly does not cycle, refer to the

Troubleshooting Chart for details.

With air pressure at zero:

5. Connect a product hose to the pump's material outlet.

• Direct the hose into an appropriate collection

container.

6. Place the pump in oil.

7. Slowly supply air pressure to the pump's motor.

Alemite Corporation

8. Allow the pump to cycle slowly until the system and

oil is free of air.

If the pump assembly does not prime, refer to the

Troubleshooting Chart for details.

WARNING

Should leakage occur anywhere within the

system, disconnect air to the motor. Personal

injury can occur.

With air pressure at zero:

9. Attach a control valve to the outlet hose of the pump.

10. Set the air pressure to 100 psi (6.9 Bar).

11. Operate the control valve into a container.

12. Allow the pump to cycle until the system and oil is

once again free of air.

13. Shut off the control valve.

• Visually inspect the pump for external leaks.

• The pump should not cycle. *

If the pump does not adequately stall, refer to the

Troubleshooting Chart for details.

14. Check the motor for air leakage.

If the motor leaks, refer to the Air Motor Service

Guide for details.

* A pump that does not completely stall with oil does

not necessarily mean that it will not stall with grease.

SER 7735

Revision (6-03)