SER 7175-R4
High-Pressure Grease Pump
Revision (2-13)
18
Alemite, LLC
21. Remove the four wires from Electrical Switch (
124
).
• Remove the Pressure Switch assembly.
22. Remove Screws (
80
) that secure Valve Body (
88
) to
the Base.
23. Gently pry the Valve Body from the Base.
• Use a flat-head screwdriver or other suitable tool.
• Use care not to damage Gasket (
89
).
24. Remove the Material Hose from Adapter (
87
) on the
Valve Body.
Additional Base Assembly Peripherals
25. Remove Setscrew (
78
) and Gasket (
79
) that secures
Bearing (
60
) to the Base.
26. Remove Nut (
76
) and Lock Washer (
75
) that secures
Shaft (
55
) to the Base.
27. Turn the pump assembly upright.
28. Remove Grommet (
83
) from the Base as required.
Motor and Body Assembly
29. Remove Screws (
21
) and Lock Washers (
20
) that
secure Motor (
23
) to Gear Body (
70
).
• Remove the Motor.
30. Remove Screws (
66
) and Lock Washers (
18
) that
secure the Gear Body to the Base.
• Remove the Body assembly.
Gear Train Assembly
31. Remove the Intermediate Gear Train and Shaft
assembly from the Base.
32. Remove Spacer (
53
) from Shaft (
55
).
33. Remove the Shaft from Intermediate Gear Train (
54
).
34. Remove Thrust Washer (
56
) and O-Ring (
57
) from the
Base.
35. Remove Piston (
85
) from its Cylinder.
NOTE
: Do not lose Key (
64
) during next
step.
36. Remove Ring Gear (
72
) [with attached components]
from Worm and Shaft assembly (
63
).
37. Remove the Worm and Shaft assembly from
Bearing (
60
).
38. Remove Thrust Washers (
62
) and (
65
) from the Worm
and Shaft assembly.
39. Separate Connecting Link (
73
) and Spacer (
77
) from
the Ring Gear.
40. Remove Bearing (
60
) from the Base.
• Use care not mar the internal surface of the Bearing.
Disassembly
Planetary Gear Body
1. Remove both Shafts (
67
) that secure Planetary
Gears (
71
) to Gear Body (
70
).
• Use a punch and hammer.
2. Remove the Planetary Gears from the Gear Body.
3. Remove O-Rings (
68
) from each Shaft.
4. Remove Oil Seal (
69
) from the Gear Body.
• Use an appropriate size socket and a small hammer.
Valve Body
NOTE
: Refer to
Figure 2-C
for component
identification.
5. Remove Gasket (
89
) from Valve Body (
88
).
6. Remove O-Ring (
86
) from Cylinder (
85
).
7. Unscrew the Cylinder from the Valve Body.
8. Remove Gasket (
84
) from the Valve Body.
9. Loosen Locknut (
96
).
IMPORTANT: Record the position of Spring
Housing (97). Count and record the number
of turns required to remove the Spring Hous-
ing from the Valve Body.
10. Unscrew Spring Housing (
97
) from the Valve Body.
11. Remove Valve Retainer (
94
) from Spring (
95
).
12. Remove Relief Valve (
93
) from Valve Seat (
92
).
13. Unscrew the Valve Seat from the Valve Body.
• Use care not to mar the surface of the ball seat.
14. Remove Gasket (
91
).
15. Unscrew Adapter (
104
) from the Valve Body.
16. Remove Gasket (
105
).
17. Remove Stem and Ball Assembly (
107
) and
Spring (
106
) from the Valve Body.
18. Unscrew Bleed Valve Screw (
102
) from Bleed Valve
Seat (
103
).
