Cub Cadet Challenger 550, Service Manual

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4‐42
Engine
Inspect the shift forks
1.
Shift fork follower (1)
2.
Shift fork pawl (2)
Look for scoring, bends, wear or
damage.
3.
Guide bar
Roll the guide bar on a flat surface.
Look for bends.
Do not attempt to straighten a bent
guide bar.
4.
Shift fork movement on
the guide bar.
Look for smooth movement.
If replacement is necessary, replace as a
set .
•
Springs
Look for cracks or damage.
•
Shift drum
Inspect the grooves
Look for scratches, wear or
damage.
•
High wheel gear and middle
drive gear
Check gear teeth
Look for discoloration, pitting or
wear.
Mated dogs
Look for rounded edges, cracks or
missing portions.
Gear movement
Look for smooth movement.
Cir clips
Look for bends, looseness or
damage.