Wheel Drive Belt Adjustment - Troy-Bilt 753 Service Manual

Servicing the Troy-Bilt Wide Cut 33" Combination Mower
7.6. Use a 9/16 inch socket to loosen the cap screw
securing the transmission pulley belt guide to the
frame and engine mount. Pivot the belt guide
away from the pulley. See Figure 24.
7.7. Using a 1/2 inch socket, loosen the nut securing
the rear belt support bracket to the transmission.
Pivot the belt support away from the belt. See
Figure 25.
7.8. Remove the wheel drive belt from the engine
sheave, backside idler and the transmission pul-
ley. See Figure 26.
INSTALL BELT INSIDE OUT!
Backside
Idler Pulley
Engine Pulley
Transmission Pulley
7.9. Install a new belt in the reverse order.
NOTE: The new belt must be installed inside
out. The "V" side of the belt lies against the
engine sheave only. The flat side of the belt lies
against the transmission pulley and idler pulleys.
Rear Belt Support Bracket
Figure 25
Front Idler
Figure 26
8.

WHEEL DRIVE BELT ADJUSTMENT

The wheel drive belt requires adjustment when belt
slippage occurs. This is most noticeable when more
traction is needed (such as going up slopes).
8.1. Remove the hair pin clip from the upper end of
the wheel drive control rod. Slide the rod out of
the lever assembly. See Figure 27.
8.2. Using a 9/16" opened end wrench, loosen the
jam nut on the lower end of the rod. See Figure
28.
Wheel Drive Control Rod
Jam Nut
8.3. Thread the rod one or two turns clockwise for
more tension.
8.4. Insert the rod back into the hole in the wheel
drive control lever and install the hairpin clip.
8
Hairpin Clip
Wheel Drive Control
Rod
Figure 27
Figure 28