TM 5-4310-379-14
5-16. Oil Pump.
This task covers:
Repair
INITIAL SETUP
Tools
Equipment Condition
General Mechanic's Tool Kit (NSN 5180-00-177-7033)
Oil pump removed (para.
4-16).
Caliper Set, Micrometer Outside
(NSN 5210-00-554-7134)
Puller, Gear, 3 Jaw (NSN 5120-00-516-3120)
Materials/Parts
Wrench, Torque (NSN 512-00-554-7292)
Solvent, Dry Cleaning (Item 23, Appendix D)
Rags, Wiping (Item 21, Appendix D)
Lubricating Oil (Item 18, Appendix D)
Repair. (figure 5-17)
(1)
Using puller, remove gear (1) from shaft (2) and remove key (3).
(2)
Remove four screws (4), lockwashers (5), and remove cover (6).
(3)
Remove gear (7) and shaft (2) together.
(4)
Press gear (7) off shaft (2) and remove key (8).
(5)
Remove gear (9) from shaft (10).
(6)
Using punch, remove pin (11) half way, apply pressure to cup (12) and remove pin (11), release pressure slowly
and remove cup (12), spring (13), and valve (14).
WARNING
Dry cleaning solvent PD-680 used to clean parts is potentially dangerous to personnel and property. Avoid
repeated and prolonged skin contact. Do not use near open flame or excessive heat. Flash point of
solvent is 100-138°F (38-60°C).
(7)
Clean all parts with dry cleaning solvent, and dry thoroughly.
(8)
Inspect gears (7) and (9) and replace if teeth are missing, damaged or bushing (15) is excessively worn. The
diameter of bushing (15) should be .6245-.6255 in. (1.5300-1.5324 cm).
(9)
Inspect cover (6) and replace if bushing (17) is excessively worn or cover (6) is cracked. The inside diameter of
bushing should be .6268-.6278 in. (1.5920-1.5946 cm).
(10)
Inspect body (16) and replace if body is cracked or bushing (18) is excessively worn. The inside diameter of
bushing should be .6213-6225 in. (1.5221-1.5251 cm).
Change 1 5-56
