Cub Cadet Challenger 750

4‐29
Engine
Inspect the clutch
• Inspect the clutch housing (1) Look
for heat damage or wear. Some
grooves are expected. A blackened
O.D. is a sign of excessive heat.
• Inspect the one way clutch bearing
(2). Look for chaffing, wear or
damage.
Note:
If any damage is found replace the one
way clutch bearing and clutch housing
as a set. For installation the one way
clutch bearing must be installed with
the arrow facing inward toward the
housing.
Inspection of the one way clutch bearing.
• Install the one way clutch bearing
and clutch carrier assembly to the
clutch housing and hold the clutch
carrier assembly.
• When turning the clutch housing
clockwise (A), the clutch housing
should turn freely. If it doesn’t, the
one way bearing is defective and
needs to be replaced.
Inspect the clutch shoe assembly
Look for heat damage.
Measure the clutch shoe thickness
Clutch shoe wear limit (a) 1.0 mm
Install
• Clutch carrier assembly
• Nut (1) 160 Nm or 118 ft lbs. Apply
high strength thread locker (Loctite
242 or equivalent.
• Swage nut to crankshaft.
Use a universal clutch holder (2) to hold
the carrier assembly.
Lock the threads with a drift punch.