Alemite 6713-4 Manuale di servizio - Pagina 6

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SER 6713-4

Overhaul

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-trichlor-

ethane in this pump. An explosion can result

within an enclosed device capable of containing

pressure when aluminum and/or zinc-plated parts

come in contact with halogenated hydrocarbon

solvents.

Read each step of the instructions carefully. Make

sure a proper understanding is achieved before

proceeding.

Disassembly

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

component identification on the following

procedures.

Separate Pump Tube from Cover

1. Remove Nuts (5) Lock Washers (6), and Screws (8)

that secure Pump Assembly (1) to Cover Assembly

(9).

• Separate the Pump Assembly from the Cover

Assembly.

2. Remove Seal (10) from the Pump Assembly.

Pump Tube

3. Remove Check Valve Assembly (22) [with attached

components] from Body (20).

4. Remove Nuts (13), Lock Washers (12), and lower

Toggle Bolt (39) that secures Toggle (40) to the Body.

5. Remove Nut (13), Lock Washers (12), and Toggle Bolt

(11) that secures Handle Assembly (14) to

Adapters (16).

• Remove the Handle Assembly and Toggle from the

Adapters.

6. Remove Spacer (15) from the Handle Assembly.

7. Remove Nut (13), Lock Washers (12), and upper

Toggle Bolt (39) that secures the Toggle to the Handle

Assembly as needed.

Revision (2-02)

8. Remove Cotter Pin (17) that secures the Adapter to

Primer Rod (33).

• Unscrew the Adapter from the Primer Rod.

NOTE: Grip Priming Plunger (34) to prevent

rotation.

9. Unscrew Tube (38) from the Body.

• Remove the entire pump tube assembly from the Body.

10. Remove Cotter Pin (17) that secures Priming Plunger

(34) to the Primer Rod.

• Unscrew the Priming Plunger from the Primer Rod.

11. Unscrew Valve Seat (35) from Tube (38).

12. Remove Valve (36) and Stop Washer (37) from the

Primer Rod.

13. Remove the Adapter and Plunger (18) as an assembly

from the Body.

14. Remove both O-Rings (19) from the Body.

• Use a pick or a small flat-head screwdriver.

15. Remove Cotter Pin (17) that secures the Adapter to the

Plunger as necessary.

• Unscrew the Adapter from the Plunger.

16.Unscrew Plug (32) from the Body as necessary.

• Remove Gasket (31).

17.Unscrew Handle (25) from the Body as required.

Check Valve Assembly

18. Unscrew Check Valve Assembly (22) from Adapter

Body (24).

19. Unscrew Drain Tube (30) from the Adapter Body as

necessary.

20. Unscrew Bushing (28) from the Adapter Body as

necessary.

21. Remove Retaining Ring (27) that secures Pressure-

Relief Valve Screw (29) to the Bushing.

• Separate the Valve Screw from the Bushing.

NOTE: Refer to Figure 2-C for component

identification on the remaining procedures.

22. Unscrew Coupling Nut (41) from Coupling Adapter

(47).

23. Remove Gasket (43) and Coupling Adapter (42) from

the Coupling Nut.

24. Unscrew Ball Seat (44) from the Coupling Adapter.

25. Remove Ball (46), Spacer (49), Spring (48), and Washer

(45) from the Coupling Adapter.

High-Pressure Bucket Pump

Alemite Corporation