TM 5-3820-245-14&P
5-5. DRIVE ASSEMBLY TROUBLE SHOOTING (Continued)
CONDITION
PROBABLE CAUSE
REMEDY
Gear grease leaking
Grease seal.
Drain housing and remove
around main drive.
lower packing nut and gland.
Remove old seal using a punch
to pry out.
CAUTION: Caution must be
exercised not to damage
main drive in removing
and replacing the grease
seal.
Upper grease seal
Housing overfilled.
Drain oil to proper oil level.
leaking on main
Check for water in oil.
drive.
Water in final
Upper seal.
Upper seal has failed or
drive housing.
improperly installed. Refer
to final drive assembly.
New seal will not
Main drive.
Main drive excessively worn.
stop leak.
Disassemble and replace with
a new main drive.
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