Troy-Bilt 12A-E753B063, Service Manual

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Servicing the Troy-Bilt Wide Cut 33” Combination Mower
5
5.2. Using a ½ inch socket loosen the screw securing
the belt tension adjustment bracket and turn it
out of the way. See Figure 14.
5.3. Align the sight holes in the right pulley with the
spindle housing mounting bolts. See Figure 15.
5.4. Using a ½ inch deep socket loosen the four
mounting bolts securing the spindle housing to
the deck. See Figure 15.
5.5. Slide the pulley assembly to the left to loosen
tension on the cogged belt.
5.6. Remove the cogged belt from around the right
cogged pulley.
Figure 14
Belt Tension Adjustment Bracket
Figure 15
Sight Holes (4)
5.7. Temporarily remove the blade drive belt from
around the left blade drive pulley. See Figure 16.
5.8. While holding the Idler arm and brake away from
the left blade drive pulley, remove the toothed
belt from around the left cogged pulley and up
and over the drive pulley. See Figure 17.
5.9. Replace the belt with a new belt.
Figure 16
Blade Drive Belt
Figure 17
Toothed Belt