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TM 9-2320-364-34-2
3-110
3-14. REAR OIL SEAL/SLEEVE REPLACEMENT (CONT).
(14)
Attach dial indicator on crankshaft (6).
(15)
Position point of dial indicator on seal (1) face.
(16)
Pry crankshaft (6) toward one end and check to ensure end play of crankshaft is in one direction only.
When using front crankshaft capscrew to bar over engine, always turn in a clockwise direction.
Turning over in counterclockwise direction may loosen capscrew and vibration damper. This
can cause serious engine damage.
(17)
With the aid of an assistant, rotate crankshaft (6) while noting readings at 12, 9, 6, and 3 o’clock
positions. Total runout at each position should not exceed 0.015 in. (0.38 mm).
(18)
If any reading is over 0.015 in. (0.38 mm), position seal installer over seal (1) and lightly tap
at high points on seal (1).
(19)
If any reading cannot be adjusted to below 0.015 in. (0.38 mm), remove and discard seal (1) and repeat
Steps (1) through (13).
d.
Follow-On Maintenance:
Install flex plate and hub, (Para 3-13).
END OF TASK
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