POWER TRAIN TMS700E SERVICE MANUAL
7-44 Published 01-29-2015, Control # 512-01
5. Oil leakage. a. Transmission over filled. a. Drain to proper level.
b. Breather stopped up. b. Clean breather assembly.
c. Use of transmission oil that foams and
expands when hot.
c. Drain and refill with proper grade and
type of lubricant.
d. Drain back holes between bearing
retainers and main case stopped up.
d. Check drain holes and gaskets to
ensure openings are clean.
e. Broken gaskets. e. Replace gaskets and use gasket
cement.
f. Loose drain plug in transmission. f. Tighten drain plug.
g. Cracked transmission housing. g. Replace transmission.
h. Cover not properly tightened. h. Tighten cover.
6. Noisy transmission
(in gear).
a. Gears worn and pitted due to lugging
engine with transmission in too high a
gear range.
a. Replace gears.
b. Bearings worn due to lugging engine
with transmission in too high a gear
range, or to chips and dirt in oil.
b. Replace worn or rough bearings.
c. Worn, chipped, or tapered sliding gear
teeth.
c. Replace gears.
d. Noisy speedometer gears. d. Replace gears.
e. Transmission not lined up properly with
carrier.
e. Line up transmission with rear axle so
as to correct angles of U-joints.
7. Difficult shifting. a. Improperly operating clutch. a. Adjust clutch. Check alignment.
b. Sliding gear tight on shaft splines. b. Check for galling. Replace as
necessary.
c. Burred main shaft splines. c. Replace main shaft.
d. Improper adjustment of shifting
linkage. Worn or bent shifter rails.
d. Check and adjust linkage and rods to
ensure that transmission is shifting fully
into gear.
e. Insufficient lubricant. e. Fill to proper level.
8. Range shift
inoperative or
malfunctioning.
a. Air lines crossed between control valve
on shift lever and air valve on
transmission (steady leakage from
exhaust port on range shift control
valve with switch in the up position).
a. Disconnect crossed air
lines and
connect properly
.
b. Lines crossed between air valve on
transmission and the shift cylinder.
b. Disconnect crossed air lines and
connect properly.
c. Low range (down position) on switch
results in high range gear engagement,
and vice versa.
c. Disassemble control valve and replace
O-ring seals.
d. Range shift control valve leaking due to
poor O-ring seals. Leakage from
exhaust port of regulator due to
ruptured diaphragm or clogged
regulator piston.
d. Disassemble, clean, and repair
regulator.
SYMPTOM PROBABLE CAUSE SOLUTION
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