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TM 10-3930-638-24&P
4-2. ENGINE MAINTENANCE (cont)
h. Timing Gear Cover.
This task covers replacement of the timing gear cover consisting of:
a. Removal
c. Inspection
b. Cleaning
a. Installation
INITIAL SETUP
TOOLS
Automotive Mechanic’s Tool Kit NSN 5180-00-7544641
EQUIPMENT CONDITION
Micrometer, zero to 5 inches
Paragraph
Condition Description
Dial Indicator
FSCM 45225 P/N CAS 10066A
2-17e
Water pump removed.
Bore Gage, zero to 5 inches
Fuel injection pump removed.
Universal Gear Puller
NSN 5120-00-378-4298 3-5k
Oil pan removed.
Torque Wrench
NSN 5120-00-221-7983
Feeler Gauge
MATERIALS/PARTS
3-6c
Sleeve, 2 inch diameter
Cleaning solvent P-D-680
Permatex 2
NSN 8030-00-873-4792
Oil No. 30
NSN 5120-00-378-4293
Timing gear cover plate gasket
Timing gear cover gasket
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL
1
Timing gear
a. Seven cap screws (1)
Remove
cover plate
b. Two nuts (2)
Remove
(3)
c. Timing gear cover
Remove
plate (3)
d. Gasket (4)
Remove and
discard
2
Crankshaft
a. Nut (5)
Remove
pulIey (6)
b. Crankshaft pulley (6)
Remove
Use gear puller
3
Idler gear (11)
a. Lock plate (8)
Straighten
Use punch and hammer to straighten tabs,
tabs
releasing cap screws (7)
b. Two cap screws (7)
Remove
c. Lock plate (8)
Remove
d. Thrust plate (9)
Remove
e. shim(s) (10)
Remove
f. Idler gear (11) and
Remove
Do not separate bushing (12) from
bushing (12)
gear (11) unless inspection requires
replacement
Change
1
4-61
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