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4. Remove the lock nut, washer, spring, and spacer
from the eye-bolt. Discard the lock nut and inner
spacer.
5. Loosen the nut on the belt adjustment
bracket.
6. Rotate belt adjustment arm out of the way, and
remove mower deck belt.
7. Match marks on mower sheaves to marks on
deck to properly align blades.
8. Install new belt and move belt adjustment arm
back into position, taking care to maintain blade
alignment.
9. Install new inner spacer, spring, new outer
spacer, washer, and new lock nut onto eye bolt.
10. Tighten lock nut on eye-bolt until the outer spacer
is just held firmly between the washer and
bracket.
IMPORTANT: Do Not Over-Tighten. Distance from
washer to bracket must be 7/8" (22mm) and you must
be able to rotate outer spacer with thumb and
forefinger.
11. Tighten nut on belt adjustment bracket.
12. Tighten nuts on belt adjustment arm securely.
IMPORTANT: Belt adjustment arm is not a floating
idler. Arm must not move once belt tension is set or
belt/blade damage will result.
13. Reinstall sheave covers.
14. Reinstall mower deck to tractor. See To Install 42"
Mower Deck in Service and Adjustments.
Transaxle Belt Replacement
1. Remove transaxle idler spring from bolt under
frame.
2. Remove belt from transaxles.
3. Remove belt from engine sheave.
4. Install new belt onto transaxles, then engine
sheave. Check for belt alignment and clearance.
5. Connect transaxle idler spring.
2
3
IE0570
Outer Spacer
Inner Spacer
IE0580
7/8" (22mm)
IE0560
2
1
1. Transaxle Idler
Spring
2. Transaxle Belt
3. Engine Sheave
4. Transaxle Idler
5. Transaxles
1
2
3
4
OE0840
5
5