4-1. ENGINE MAINTENANCE (CONT)
j. Oil Pump.
This task covers disassembly, cleaning, inspection, and reassembly
of the oil pump.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
3/8 inch capacity
Drill bit, 1/8 inch diameter
Long nose pliers
Slip joint pliers
Torque wrench, 1/2 inch drive
Automotive Mechanics Tool Kit
Socket wrench set, 1/2 inch drive
Machinists steel rule
Wood screw, number 12
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680- (Appendix C, item 2)
Cotter pin (FSCM 10988 PN 132-32)
Plug (FSCM 10988 PN 41-1011)
PRELIMINARY PROCEDURE: Engine oil pump removed (page 3-92).
(SHEET 1 OF 2)
Spring (3) exerts outward pressure on plug
(2). If plug (2) is loose, plug and spring
1. Cotter pin
(3) may fly out of oil pump (6) bore when
you perform steps (1) through (3) below.
Use caution to avoid injury due to flying
parts. If you are injured, obtain medical
6. Oil pump
Remove cotter pin (1) from oil pump (6)
using long nose pliers. Discard cotter pin.
If plug (2) cannot be easily removed, drill
a hole through its center using 1/8 inch
diameter drill bit. Install a wood screw in
hole then use pliers to grip head of wood
screw and remove plug. Discard plug.
Remove spring (3) and valve (4).