TM 5-3820-245-14&P
5-2. TRANSMISSION TROUBLE SHOOTING (Continued)
CONDITION
PROBABLE CAUSE
REMEDY
Transmission will not
A. Transmission
Check for bent or worn parts.
stay in proper ratio
linkage.
Replace faulty parts and
(jumps out of gear).
readjust linkage.
B. Excessive endplay
Replace faulty parts and
due to wear in the
readjust for faulty endplay.
shift forks, slid-
ing gear, fork
grooves, thrust
washers, output
shaft, or counter-
shaft bearings.
Foaming oil breather
A. Improper oil level,
Refer to irregular oil
(oil is foaming out
oil and air leaks,
pressure, and loss of power
the breather).
pump suction tube,
sections.
worn pump parts,
water in oil.
B. Broken converter
Replace seal ring.
hub gear seal ring.
Wet converter
A. Converter hub gear
Inspect for breakage. Replace
housing.
seal ring.
if required.
B. Oil seal inside
Replace if required.
of converter.
5-3. FEED RAM ASSEMBLY TROUBLE SHOOTING
CONDITION
PROBABLE CAUSE
REMEDY
Excessive leaking of
Lower packing nut
Tighten packing nut until
hydraulic fluid
loose.
slight seepage remains.
around kelly bar.
Kelly bar squeaks
Lower packing nut too
Loosen nut until slight
when extended.
tight.
amount of seepage is encount-
ered on kelly bar.
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