Cub Cadet Pro Z 900 Series - Replacing the PTO Belt; Replacing the Deck Belt; Replacing the Blades

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PRODUCT CARE
5. Remove the hex screws (a) and flange lock nuts (b) securing the front deck
control rods (c) to the deck (Figure 57).
a
a
b
b
c
c
Figure 57
6. Turn front wheels as if to make a pivot turn.
7. Shift the deck toward the right side of the mower and remove.
8. To install reverse the process.
Replacing the PTO Belt
1. Remove the PTO belt (a) from the deck as instructed in the Deck Removal section
then remove it from around the PTO clutch (Figure 58).
a
b
c
d
Figure 58
2. Route the PTO belt (a) (Figure 58).
3. After routing the belt around the PTO pulley (b), use a 1/2” drive in the idler
pulley bracket (c) and turn towards the right of the mower to finish routing the
belt around the idler pulley (d) (Figure 58).
4. Reinstall the deck by reversing the previous steps.
Replacing the Deck Belt
1. Set the parking brake. Remove ignition key and both spark plug caps.
2. Remove the PTO belt (refer to Deck Removal).
3. To remove the belt covers (a), remove the wing knobs (b) from the carriage screws
(c) securing it to the deck (Figure 59).
a
b
b
c
c
Figure 59
4. The speed nut should hold the carriage screw (c) and tab bolt in place, if not
re-install (Figure 59).
5. Using a 1/2” drive insert the end into the 1/2” square opening in the deck idler
assembly (a) and rotate the deck idler assembly (a) clockwise (Figure 60). While
holding the deck idler assembly (a), loosen the deck belt from the pulley and slide
the belt away from the pulley.
a
Figure 60
CAUTION
Avoid pinching injuries. Never place your fingers on the idler spring or
between the belt and a pulley while removing the belt.
6. Route the new belt (Figure 60). Then reinstall the deck and PTO belt.
Replacing the Blades
WARNING
Before cleaning, repairing, or inspecting, make certain the blade(s) and all
moving parts have stopped. Turn off the engine, remove the key, disconnect
the spark plug wire(s) and the negative battery cable to prevent unintended
starting. Always wear safety glasses or safety goggles during operation and
while performing an adjustment or repair to protect your eyes.
1. Remove the deck as instructed in the Deck Removal section.
2. For easier access, flip the deck over, then jack up the front of the deck about one
foot and block it in that position.
To remove the blade:
1. Secure the blade from turning counterclockwise during service by placing a
block of wood between the blade and the deck housing (Figure 61), or wrap a rag
around one end of the blade and wear heavy gloves to grasp the blade firmly.
Figure 61
2. Remove the flange lock nut (a) and flat washer (b) from the spindle shaft and
remove the blade (c) (Figure 62).
a
b
c
Figure 62