•Remove the hex bolt from the rear of unit holding the transmission to the mower housing.
See Figure 17.
Wheel
Hex Bolt
Cutting Height
Adjustment
Wheel
Figure 17
•Tilt the transmission forward and loosen the idler pulley bolt and lock nut half a turn. See Figure 18.
Transmission
Pulley 
Belt |
| |
Belt Keeper |
| |
Bracket |
| |
Idler Pulley | Transmission | |
Bracket | ||
|
Idler Pulley
Bolt and
Locknut
Figure 18
•Using a pair of pliers, pull back and rotate belt keeper bracket from the slot on the idler pulley.
•Slide the belt out from between the belt keeper bracket and the idler pulley.See Figure 18.
•Squeeze the belt together and push it forward, while pressing the control arm inward towards the deck and remove the six speed cable from the slot. See Figure 19.
Belt | ||
Cable Slot | ||
|
Control
Arm
Figure 19
•Pivot the control arm down away from the pulley and belt.
•Lift off the lower pulley assembly and remove the old belt from around the crankshaft.
•Place the new belt over the transmission pulley. Start the belt in the pulley groove and rotate the pulley until the belt is seated in transmission pulley.
•Place the belt between the idler pulley and the belt keeper bracket.
•Using pliers, rotate the belt keeper bracket so that it snaps into slot on the idler bracket.
•Tighten the idler pulley bolt and lock nut half a turn.
•Place the belt between the two pulley halves on the crankshaft. Make sure to route the belt inside the belt guard pin. See Figure 20.
Upper Pulley
Half
Tab
| Belt | |
Belt | Lower Pulley | |
Half | ||
Guard Pin | ||
|
Figure 20
IMPORTANT: When replacing the belt, do not disassemble the lower pulley assembly.
•Pinch both sides of the belt together so that the belt is not in the pulley groove, and the lower pulley can be pushed towards the engine. See Figure 21.
Lower Pulley
Half 
Belt
Belt
Guard Pin
Figure 21
•Pivot the control arm back to its original position and reinstall the
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