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 specic
or covers damaged parts procedure
Warped or Replace or repair Requires specic
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 rell 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
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