Cub Cadet RZT 50-KH RZT 42 Operator's Manual - Page 29

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. 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. Highest Mowing Position 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. Deck Lift Handle 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 is rolled off the pulley. Refer to Figure 7-5. Lowest Mowing Position Figure 7-3 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 42" Decks Moveable Idler Pulley PTO Pulley PTO Belt Transmission Tube Fixed Idler Pulley Idler Bracket Idler Bracket Fixed Idler Pulley Figure 7-4 3. From beneath the rear of the tractor, slide the belt off of the PTO pulley on the bottom of the engine. Figure 7-5 5. Lower the deck into the lowest position using the deck lift handle. See Figure 7-3. Section 7 - Service 29