Figure 36. Typical Mower Belt Routing - Two Blade
Decks
A. Idler Pulley Arm
B. PTO Pulley (Engine)
C. Mower Unstop
D. Idler Pulley Belt Guide
Left Side of Mower
Troubleshooting, Adjustment, & Service
Mower Belt Replacement
NOTE: It is not necessary to remove the mower to install
a new belt. However, for easier access mower can be
removed. See “Mower Deck Removal” in the OPERAT-
ING THE TRACTOR section.
1. Park the tractor on a smooth, level surface such as a
concrete floor. Disengage the PTO, turn off the
engine and lock the parking brake. Remove the key.
2. If mower is not removed, lower the mower lift and
place the mower in the lowest cutting position.
3. Push the idler pulley arm (A, Figure 36 or 37) to
relieve belt tension. Drop the belt from the PTO (elec-
tric clutch) pulley (B).
IMPORTANT: Note the position of all belt guides relative
to the belt and pulleys before loosening.
4. Some Models. Loosen the belt stop bracket(s) (C,
Figure 37).
5. Remove the old belt and replace with a new belt.
Make sure V-side of belt runs in arbor pulley grooves
and the flat backside runs against the idler pulley.
6. Some Models. Position the belt stop bracket(s) (C) in
their original positions. There must be 1/8” (3 mm)
clearance between the belt stop and the pulleys.
7. Position the idler pulley belt guide (D, Figure 36 or
37) in its original position up against idler pulley arm
(A) so that there is a 1/8" (3 mm) gap between the
pulley and belt guide.
8. Install mower on tractor if it was removed. See
OPERATING THE TRACTOR section.
9. Run the mower under no-load condition for about 5
minutes.
To avoid damaging belts, DO NOT PRY
BELTS OVER PULLEYS.
Figure 37. Typical Mower Belt Routing - Three Blade
Decks
A. Idler Pulley Arm
B. PTO Pulley (Engine)
C. Belt Stop Bracket
D. Idler Pulley Belt Guide
Left Side of Mower
C
B
D
A
C
B
D
A
FRONTFRONT
FRONT
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