39
EA(B)O-6X06
01/2018 Rev. 1
2. Operation
Troubleshooting
Problem
Probable cause
Possible solution
Reference
Transmission
Excessive axial
Adjust clearance
Mainshaft end play
slips out of
clearance on main
adjustment, in this
gears
shaft gears
manual
(continued)
Worn or damaged
Replace gear
Instructions in this
clutching gear teeth
manual
Worn or damaged
Replace damaged parts
Instructions in this
shifting system
manual
(yokes, bars, selector
blocks, etc.)
Oil leak
Lubricant above
Correct to proper level
Lubrication, in this
proper level
manual
Clogged breather
Verify and unclog
breather
Worn or damaged
Replace damaged
Instructions in this
oil seals
seals
manual
Housing capscrews
Reassemble with proper
Tightening Torques
not properly
sealant and tightening
and Sealants, in this
tightened or lack
torque
manual
of sealant
Cracked housing
Replace or repair
Requires specific
or covers
damaged parts
procedure
Warped or
Replace or repair
Requires specific
damaged mounting
damaged parts
procedure
surfaces of housings
and covers
Bearings failures
Low lubricant level
Fill with recommended
Lubrication, in this
oil to the proper level
manual
Contaminated or
Drain and clean
Lubrication, in this
not recommended
transmission and
manual
lubricant
refill with
recommended oil
Improper assembly
Reassemble transmission
Instructions in this
of transmission
manual
components
Improper end play
Adjust end play
Mainshaft and
on mainshaft or
countershaft end play,
countershaft
in this manual
Bearings were not
Replace damaged parts.
Instructions in this
lubricated prior to
Reassemble following
manual
assembly
right procedure
