TM 9-2815-225-34&P
3-48. FRONT GEAR COVER REPAIR (Contd)
LOCATION/ITEM
ACTION
REMARKS
c. Inspection (Contd)
7.
Sleeve bearing (2)
a. Inspect for scoring and pitting.
Discard if scored or pitted.
b. Using suitable micrometer,
Remove and discard if inside
measure inside diameter.
diameter is not within limits
shown below. Use suitable arbor
press to remove sleeve.
Minimum....................................................................... 1.565 in. (39.751 mm)
Maximum...................................................................... 1.569 in. (39.853 mm)
Limit ............................................................................. 1.571 in. (39.903 mm)
8.
Bore for crankshaft oil seal (6)
Inspect for:
a. Nicks, burrs, and gouges.
Small nicks, burrs, and gouges
can be smoothed out with crocus
cloth or fine-cut mill file.
b. Cracks.
Discard if cracked.
CAUTION
Discard camshaft support if removal of shims will not allow for correct camshaft end play.
9.
Camshaft support (8)
Inspect for:
a. Scoring, pitting, or cracks.
Discard if scored, pitted, or cracked.
b. Using suitable micrometer,
Inside diameter is not to exceed
measure inside diameter.
1.757 in. (44.628 mm). Discard if
limits are exceeded.
10. Three pipe plugs (3), (5),
Inspect for damaged threads.
Discard if threads are damaged.
and (14)
d. Assembly
CAUTION
All surfaces in contact with oil seals must be completely free of oil. Oil on a Teflon seal will
destroy its sealing properties.
11. New sleeve bearing (2)
Install on gear cover (4).
Use mandrel (ST-1173) for
and new oil seal (1)
installation of sleeve bearing (2).
Ensure oil holes are aligned. Oil
seal must be flush with gear cover
(4).
12. New crankshaft oil seal (6)
Install on gear cover (4).
Use puller/installer (ST-1259) and
oil seal expander (3375151).
13. Three pipe plugs (3), (5),
Apply liquid thread sealant and
and (14)
install on gear cover (4).
14. New preformed packing (13),
Install on gear cover (4).
The number of shims used
shims (9), (10), (11), and (12),
will be determined by camshaft
camshaft support (8), and three
end play. Tighten captive washer
captive washer screws (7)
screws (7) to 25 lb-ft (34 Nm).
FOLLOW-ON TASK: Install front gear cover (para. 3-75).
3-294
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