High-Pressure Grease Pump
SER 7175-R4
Alemite, LLC
15
Revision (2-13)
Figure 6
Position of Planetary Gears in Gear Body
IMPORTANT: Inspect the condition of the
teeth on the armature shaft. If signs of wear
are visible, follow steps 2-7 to ensure cor-
rect gear alignment.
If the condition of the teeth are satisfactory,
refer to steps 6 and 7.
2. Remove Screws (
66
) and Lock Washers (
18
) that
secure the Gear Body to Base (
82
).
• Remove the Gear Body from the Base.
Inspect the condition of Planetary Gears (
71
) and Ring
Gear (
72
). Replace as necessary. Refer to the section
entitled
Disassembly
for procedures.
3. Position the Planetary Gears in the Base as illustrated
in
Figure 6
. This setting prevents wear on the motor’s
armature shaft.
IMPORTA NT: Prior to performing an y
maintenance procedure, the following safety
precautions must be observed. Personal
injury may occur.
WARNING
Do not use halogenated hydrocarbon
solvents such as methylene chloride or 1,1,1-
trichlorethane in this pump. An explosion can
result when aluminum and/or zinc-plated parts in
the pump come in contact with halogenated
hydrocarbon solvents.
Release all pressure within the system prior to
performing any procedure.
• Disconnect the electrical cord from the
120 V ac source.
• Into an appropriate container, operate the
control valve to discharge remaining pressure
within the assembly.
Never point a control valve at any portion of your
body or another person. Accidental discharge of
pressure and/or material can result in injury.
Read each step of the instructions carefully. Make
sure a proper understanding is achieved before
proceeding.
Remove and Replace
NOTE
: These procedures address the most
common repairs made to the pump.
For information on pump
Overhaul
, see
page 17.
Motor
NOTE
: Refer to
Figures 2-A
and
2-B
for
component identification on the Motor com-
ponents.
IMPORTANT: Make sure the Electrical Cord
is removed from the outlet.
1. Remove Screws (
21
) and Lock Washers (
20
) that
secure Electric Motor (
23
) to Gear Body (
70
).
• Remove the Motor from the Gear Body. Refer to the
section entitled
Motor Overhaul
for details on the
motor.
IMPORTANT: Make sure the Planetary
Gears do not move during installation of the
Gear Body assembly.
4. Install the Gear Body assembly onto the Worm and
Shaft Assembly (
63
), Ring Gear and onto the Base.
• Make sure O-Ring (
61
) is positioned properly.
5. Install Lock Washers (
18
) and Screws (
66
) that secure
the Gear Body to the Base.
• Tighten the Screws securely.