TM 5-3805-262-34
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
Drill,
3/8 inch capacity
Drill bit, 1/8 inch diameter
Long nose pliers
Slip joint pliers
Screwdriver
Torque wrench, 1/2 inch drive
Safety glasses
Automotive Mechanic’s Tool Kit
Socket wrench set, 1/2 inch drive
Thickness gage
Machinist’s steel rule
Spring gage
Plastigage
Wood screw, number 12
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
DISASSEMBLY
Cleaning solvent P-D-680- (Appendix C, item 2)
Cotter pin (FSCM 10988 PN 132-32)
Plug (FSCM 10988 PN 41-1011)
NOTE
PRELIMINARY PROCEDURE: Engine oil pump removed (page 3-92).
(SHEET 1 OF 2)
Spring (3) exerts outward pressure on plug
LEGEND
(2). If plug (2) is loose, plug and spring
1. Cotter pin
(3) may fly out of oil pump (6) bore when
2. Plug
you perform steps (1) through (3) below.
3. Spring
Use caution to avoid injury due to flying
4. Valve
parts. If you are injured, obtain medical
5. Sleeve
aid
(1)
( 2)
( 3)
4-74
immediately.
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).
