Cub Cadet Series 990 Operator's Manual page 20

Problem
Uneven cut
Mower will not self propel
20 S 8 — t
ection roubleShooting
Cause
1. Wheels not positioned correctly.
2. Dull blade.
1. Belt not installed properly.
2. Debris clogging drive operation.
3. Damaged or worn belt.
Remedy
1. Place all four wheels in same height position
(if equipped with individual height adjusters).
2. Sharpen or replace blade.
1. Check belt for proper pulley installation and
movement.
2. Stop engine, disconnect spark plug boot,
and clean out debris.
3. Inspect and replace belt.