SER 6713-4
High-Pressure Bucket Pump
Revision (2-02)
6
Alemite Corporation
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.
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.
