To Change A Blade; To Change The Blade Drive Belts - Cub Cadet Commercial 55AI4HPR750 Operator's And Service Manual

G. MOWER MAINTENANCE

1. TO CHANGE A BLADE:

a. Remove the deck cover.
b. Tip the mower back and block up the front of the deck. See Figure 5.
c. Place one wrench on the hex head bolt under the blade. Use a second wrench to remove the nut
on top of the spindle pulley.
d. Remember the number of blade spacers both above and below the spindle.
e. Remove the long (5/8" x 9-1/2") blade bolt for fixed decks and (3/4" x 7") blade bolt for float decks,
the flat washer, the blade and the blade spacers. (Note: torque the 5/8"bolt 70-80 ft.lbs. and the 3/4"
bolt 90-115 ft.lbs.)
f. To replace the blade, reverse the above procedure. Be careful to replace the blade spacers
correctly above and below the spindle.

2. TO CHANGE THE BLADE DRIVE BELTS:

a. Make sure the blade clutch is disengaged.
b. Remove the deck cover.
c. Remove the nut and the cap screw which serves as a belt guide and is mounted in the idler pulley
arm. See Figure 6.
Figure 5 48" Cutting Deck Shown
Figure 6
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