Troy-Bilt Mustang Series RZT Operator's Manual page 28

Releasing Belt Tension with the Idler Pulley
1. 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. See Figure 7-3.
Highest Mowing
Position
Lowest Mowing
2. Working from the middle of the tractor, pivot the idler
bracket and movable idler pulley rearward away from the
backside of the 'V" belt just far enough to lift the belt up
and over the idler pulley. See Figure 7-4.
46/50/54" Decks
Moveable Idler
Pulley
Idler Bracket
Fixed
Idler
Pulley
3. From beneath the rear of the tractor, slide the belt off of
the PTO pulley on the bottom of the engine.
28 S 7— S
ection ervice
Deck Lift Handle
Position
Figure 7-3
42" Decks
Moveable Idler
Pulley
Idler Bracket
Fixed
Idler
Pulley
Figure 7-4
Rolling the Belt off the PTO Pulley
1. 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.
2. Sitting behind the tractor facing forward, reach beneath
the tractor to grasp the belt at the front of the PTO pulley.
WARNING!
Use caution to avoid pinching your
fingers when rolling the belt off the PTO pulley.
3. Pull the left side of the belt rearward and downward while
manually turning the PTO pulley to the right until the belt
rides out onto the edge of the lower sheave of the pulley.
NOTE: If pulling the right side of the belt, turn the pulley left.
4. While still holding the belt downward, continue turning the
PTO pulley until the belt rolls off the pulley. Refer to Figure 7-5.
Figure 7-5
5. Lower the deck into the lowest position using the deck lift
handle. See Figure 7-3.
PTO Pulley
PTO Belt
Transmission
Tube