Manitowoc Grove TMS800E Service And Maintenance Manual page 278

POWER TRAIN
SYMPTON
Noise (from other sources).
Noisy transmission (in neutral).
Sticking in gear.
Jumping out of gear.
7-46
PROBABLE CAUSE
Fan bent or out of balance.
Damaged vibration damper.
Flywheel out of balance.
Unbalanced clutch assembly.
Loose engine mountings.
Worn U-joints.
Transmission misaligned.
Worn transmission pinion bearing.
Worn or scored countershaft bearing.
Damaged second speed mainshaft gear
bushing.
Unmatched gears.
Worn or rough reverse-idler gear.
Eccentric countershaft gear assembly.
Sprung or worn countershaft.
Excessive backlash in gears.
Excessive end play in countershaft.
Worn main shaft pilot bearing.
Scuffed gear tooth contact surface.
Insufficient lubrication.
Clutch operating improperly.
Sliding gear tight on main shaft splines.
Improper adjustment of linkage
Misaligned transmission.
Shift rail poppet springs broken.
Shift rail poppet notch worn.
Shift forks sprung or loose on shift rail.
Published 01-29-2014, Control # 496-00
TMS800E SERVICE MANUAL
SOLUTION
Replace fan.
Replace damper.
Check balance. Replace flywheel if
necessary.
Check clutch and clutch housing for
proper alignment.
Tighten mountings.
Replace U-joints.
Align engine and transmission
(assembled) with rear axle so as to
correct angles of U-joints.
Replace bearing.
Replace bearings.
Replace bushing.
Replace unmatched gears.
Replace gear.
Replace gear.
Replace countershaft.
Replace worn gears.
Adjust to reduce end play.
Replace pilot bearing.
Replace gear.
Check for leaks; fill to proper level.
Adjust clutch. Check alignment.
Check for galling. Replace as
necessary.
Adjust linkage.
Check alignment.
Replace poppet springs.
Replace shift rail.
Replace sprung fork or tighten
setscrew in shift fork.