Troy-Bilt RZT Benutzerhandbuch

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Using the idler pulley to tension the belt.
Using the deck lift handle, raise the deck to the  
position that provides the most horizontal run of the 
belt between the deck idler pulleys and the PTO pulley 
on the bottom of the engine.
Install the belt in the PTO pulley on the bottom of the 
engine.
Route the backside of the belt around the fixed idler 
pulley of the deck. Refer to Figure 7-3.
Working from the middle of the tractor, pivot the idler 
bracket/movable pulley rearward against the spring 
tension and slide the backside of the belt onto the 
movable idler pulley. Refer to Figure 7-3.
Rolling the belt into the PTO pulley.
Using the deck lift handle, raise the deck to the  
position that provides the most horizontal run of the 
belt between the deck idler pulleys and the PTO pulley 
on the bottom of the engine.
Make certain the belt is in the spindle pulleys of the 
deck, and that the backside of the belt is against both 
the fixed and movable idler pulleys. Refer to Figure 7-3.
Sitting behind the tractor, facing forward, make certain 
the belt is not twisted; then reach beneath the tractor 
to grasp the belt and pull it toward the PTO pulley.
WARNING!: Use caution to prevent pinching 
your fingers when rolling the belt onto the 
PTO pulley. 
Pull the right side of the belt rearward and place the 
narrow V side of the belt into the  PTO pulley. See 
Figure 7-5.
Figure 7-5
While holding the belt and pulley together, rotate the 
pulley to the left (See Figure 7-5). Continue holding and 
rotating the pulley and belt until the belt is fully rolled 
into the PTO pulley.
Replacing the Deck Drive Belt
Remove the deck from beneath the tractor, (refer to 
Deck Removal on page 26).
Remove the hex tapping screws securing the belt 
covers to the deck and remove the belt from the 
spindle pulleys. Refer to Figure 7-6.
Install the new belt around the spindle pulleys as 
shown in Figure 7-6 and reinstall the belt covers.
Route the belt rearward between the two idler pulleys 
and reinstall the deck following the instructions in 
Deck Installation on page 27.
PTO Belt
PTO Pulley
Rotate
Pulley
Transmission
Tube
Figure 7-6