Checking and Replacing Traction Drive Belt

Rotating parts can catch fingers, loose clothing, or long hair. Wait for engine and all moving parts to stop before leaving operator station to adjust or service machine.

The traction drive belt will not require a tension adjustment. Belt is self-adjusted using a spring tensioner.


Checking Traction Drive Belt

  1. Park machine safely. (See Parking Safely in the Safety section.)

  2. TCAL47969
    TCAL47969-UN-16AUG13

    Remove retaining knob (A), and remove belt access panel (B).



  3. Support mower deck securely before performing this procedure. Do not depend on latching mechanism alone to support the mower deck.

    Raise mower deck to the highest cutting height position.

  4. TCAL47970
    TCAL47970-UN-16AUG13

    Inspect belt (C) for excessive wear, damage, or stretching.




Removing Traction Drive Belt

  1. Park machine safely. (See Parking Safely in the Safety section.)

  2. Remove mower deck drive belts. See Replacing Mower Deck Drive Belt in the Service Mower section.

  3. TCAL48051
    TCAL48051-UN-09OCT13

    Insert a 1/2 in. drive ratchet or breaker bar in square hole (A) in idler pulley arm (B).



  4. Rotate idler pulley arm (B) to remove tension from drive belt (C).

  5. While holding idler pulley arm, remove traction drive belt (C).


Installing Traction Drive Belt

TCAL43667
TCAL43667-UN-26MAR13

  1. Use a 1/2 in. drive ratchet or breaker bar to rotate idler pulley arm as shown and hold in place.

  2. Install traction drive belt on drive sheaves.

  3. Slowly allow idler arm to rotate into belt.

  4. Install belt shield.

BB87125,000156D-19-20131009