SER 7175-R4
High-Pressure Grease Pump
Revision (2-13)
28
Alemite, LLC
6. Slide and seat the Terminal Wire Connectors into each
Brush Holder assembly.
• Make sure the dimple on the Connector faces
downward.
• Use needle-nose pliers.
7. Align Spacers (
13
) and Baffle (
15
) with the holes in
the Field Assembly.
8. Install Screws (
14
) to secure the Baffle to the Motor
Housing.
• Tighten the Screws securely.
9. Install Retaining Ring (
6
) onto the shaft of
Armature (
5
).
CAUTION
Use a press to install Bearings (4) onto the Arma-
ture shaft. Alternate methods of installation can
cause damage to components.
10. Press each Bearing onto the ends of the Armature
shaft.
• Make sure to fully seat each Bearing.
11. Install the Armature assembly into the Motor Housing.
• Make sure the Bearing seats properly.
12. Install Loader Spring Washer (
3
) over the Armature
shaft.
13. Install End Housing (
2
) onto the Armature.
• Make sure the Bearing seats properly.
• Make sure the End Housing holes align properly
with the Motor Housing.
14. Install Screws (
1
) to secure the End Housing to the
Motor Housing.
• Tighten the Screws securely.
15. Install the appropriate Brush and Spring Assembly
(
10
) into its proper Brush Holder Assembly.
• Make sure the direction of the Brush is correct.
16. While seating the Brush and Spring Assembly, screw
Caps (
9
) into the Brush Holder Assembly.
17. Install Bushing (
7
) over the wire and into the Motor
Housing.
• Make sure the small diameter faces the Motor
Housing.
• Use a punch and small hammer.
Troubleshooting Chart
Pump Indications
Possible Problems
Solution
Pump does not start
1. Defective Electrical Switch (
124
)
2. Motor terminal wires not contacting Electrical
Switch (
124
)
3. Defective Electrical Cord (
7
)
4. Motor not operating properly
5. Gear train jammed and/or contains loose components
1. Replace Electrical Switch (
124
)
2. Secure terminal wires to Electrical Switch (
124
)
3. Replace Electrical Cord (
7
)
4. Inspect motor and rebuild or replace as required
5. Inspect gear train
Pump will not prime
1. Air within the fluid-wetted path
2. Pump leaking internally
1. Remove grease from fluid-wetted path and fill
with oil
2. See Internal Leaks
Pump cycles continuously, or
intermittently
1. Pressure Switch Assembly (
101
) not adjusted correctly
and/or Emergency Bypass mechanism not adjusted
correctly
2. Defective Electrical Switch (
124
)
3. Pump leaking internally
4. Pump leaking externally
1. Adjust settings
2. Replace Electrical Switch (
124
)
3. See
Internal Leaks
4. See
External Leaks