Alemite 7785-MA Service-Handbuch - Seite 8
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SER 7785-A5
17. Unscrew and remove Pump Tube (28) from the
Adapter.
18. Remove upper and lower Spring Clips (26) that secure
Pump Tube Rod (27) to upper and lower
Couplings (25).
19. Unscrew the Rod from both Couplings.
IMPORTANT: Should the pump contain the
obsolete piston (see Figure 5), and stall
properly, certain parts within the major repair
kit are discarded. If the new piston is required,
order Barrel Assembly (30) and Piston (35)
separately.
20. Remove lower Spring Clip (26) that secures Piston
(35) to lower Coupling (25).
21. Unscrew the Coupling from the Piston.
22. Remove Barrel Assembly (30) from the Piston.
23. Remove both aluminum Gaskets (29).
24. Remove brass Bearing (33), Seal (32), and nylon Wear
Ring (31) from the Barrel.
25. Unscrew Primer Body (52) from Adapter (43).
26. Remove the Primer Rod (with attached components)
from the bottom of the Adapter.
27. Remove Spacer (34) from top of Adapter.
28. Remove Stop Nut (51) from Primer Rod (42).
• Support the Primer Rod through the hole as needed.
29. Remove Plate (50), Gasket (29), Valve Seat (49), and
additional Gasket (29) from the Primer Rod assembly.
CAUTION
Support the Piston and Primer Rod assembly dur-
ing Roll Pin (41) removal. Damage to components
can occur.
Item No.
on Figure 2-A
10
O-Ring, 1-13/16 " ID x 2 " OD
11
O-Ring, 1-15/16 " ID x 2-1/8 " OD
14
O-Ring, 1-3/16 " ID x 1-5/16 " OD
16
Seal, 0.812 " ID x 1.062 " OD
18
Seal, 0.812 " ID x 1.562 " OD
Revision (11-08)
1-800-548-1191-http://[email protected]
Description
Table 4
Components Lubricated in Clean Oil
8
High-Pressure Grease Pump
30. Remove Roll Pin (41) that secures Adapter (40) to
Primer Rod (42).
• Use a punch and a small hammer.
31. Unscrew Primer Rod from Adapter.
32. Remove Valve Body (48) [with attached components]
and Guide Washer (44) from the upper end of the
Primer Rod assembly.
33. Remove Screw (45), nylon Washer (46), Seal (47) and
additional Washer (46) from the Valve Body.
34. Unscrew the Adapter from Piston (35).
35. Remove aluminum Washer (39), Ball (38), Spring
(37), and Retainer (36) from the Piston.
Clean and Inspect
NOTE: Use the appropriate repair kit for
replacement parts. Make sure all the
components are included in the kit before
discarding used parts.
1. Clean all metal parts in a modified petroleum-based
solvent. The solvent should be environmentally safe.
2. Inspect all parts for wear and/or damage.
• Replace as necessary.
3. Inspect Piston (35) and Primer Rod (42) closely. Use a
magnifying glass to detect any score marks.
• Replace as necessary.
4. Closely inspect the mating surfaces of all check valve
components for any imperfections Ensure a smooth
and clean contact is obtained when assembled.
Assembly
NOTE: Prior to assembly, certain compo-
nents require lubrication in clean oil. Refer
to Table 4 for details.
Item No.
on Figure 2-B
31
Ring, Wear (Glass-Reinforced Nylon)
32
Seal, 1.00 " ID x 1.375 " OD
47
Seal, 0.50 " ID x 0.950 " OD
Description
Alemite, LLC