TM 5-3820-245-14&P
5-5. DRIVE ASSEMBLY TROUBLE SHOOTING (Continued)
CONDITION
PROBABLE CAUSE
REMEDY
B. Ring gear output
Check ring gear carrier for
drive.
weld failure on the internal
spline assembly for excessive
wear in the internal spline.
If worn or cracked, replace
with complete new carrier
assembly.
Kelly bar will not
A. Clutch slipping.
Refer to clutch section.
rotate.
B. Drive line.
Check weld on drive line
assembly. If weld has failed,
remove drive line from digger;
realign in lathe and reweld
using AWS-ASTM-E6010 rod.
Kelly bar will not
Torque converter.
Refer to torque converter
rotate under load.
section 5-2
Housing running
Bearing failure.
Disassemble housing and
extremely hot.
replace with original equip-
ment replacement bearing.
Gear grease leak
Grease seal.
Remove drive line and
at pinion carrier
companion flange. Replace
assembly right
seal.
angle.
Gear grease leak-
Gasket
Refer to right angle assembly
ing between right
procedure for replacement.
angle housing and
intermediate
housing.
Gear grease leak-
Packing.
Replace packing on inner face
ing between inter-
of final drive flange.
mediate ring and
final drive
housing.
PAGE 57
