Cub Cadet RZT50VT, Operator'S Manual

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Lower the deck to the ground using the deck lift handle.

5. 

Locate the LH and RH deck support pins on each side of the 

6. 

deck. Pull the deck support pins outward and lock in the 

disengaged position to release the deck from the tractor’s 

LH and RH deck lift arms. Refer to Fig. 7-6.

Raise the deck lift arms out of the rear hanger bracket slots 

7. 

by raising the deck lift handle on the tractor to its highest 

position. Refer to Fig. 7-6.

Slide the deck forward so that the deck front hanger rod can be 

8. 

lifted out of the two slots of the front deck bracket. After 

lifting the front hanger rod out of the slots, slide the deck 

rearward so that the rod can no longer engage the slots.
Using care to prevent the front hanger rod from falling back into 

9. 

the deck bracket slots, carefully slide the cutting deck (from 

the right side) out from underneath the tractor. 

Deck Installation

To install the mower deck, proceed as follows:

While holding the deck front hanger rod upward, carefully 

1. 

slide the deck underneath the right side of the tractor. 
While still holding the front hanger rod, slide the deck 

2. 

forward until the front hanger rod can be lowered into the 

slots of the front deck bracket.
Lower the front hanger rod into the slots of the front deck 

3. 

bracket, then slide the deck rearward.
Maneuver the deck so that the slots in the two rear deck 

4. 

hanger brackets approximately align with the deck lift arms 

of the tractor. Refer to Fig. 7-6.
Use the tractor deck lift handle to lower the deck lift arms 

5. 

into the slots of the rear deck hanger brackets.

Pull the deck support pins outward and maneuver the deck 

6. 

as necessary to align the holes in the deck lift arms with the 

pins. Refer to Fig. 7-6.
When aligned, push each pin fully inward through the lift 

7. 

arms to secure the arms in the rear hanger bracket slots.

Make certain the ‘V’ belt is in the spindle pulleys on the 

8. 

deck; then route the belt rearward beneath the tractor 

frame, above the transmission tube(s), to the PTO pulley on 

the bottom of the engine. 

Install the ‘V’ belt onto the PTO pulley using one of the 

9. 

following two methods.

WARNING! 

The muffler at the rear of the tractor 

may be extremely hot, and could cause serious 

burns. Use extreme caution when near the muffler. 

Allow the muffler to fully cool before installing the 

belt.

Using the Idler Pulley to Tension the Belt.

Using the deck lift handle, raise the deck to the  position 

1. 

that provides the most horizontal run of the belt between 

the deck idler pulleys and the PTO pulley on the bottom of 

the engine.

Install the belt in the PTO pulley on the bottom of the 

2. 

engine.
Route the backside of the belt around the fixed idler pulley 

3. 

of the deck. Refer to Fig. 7-4.
Working from the middle of the tractor, pivot the idler 

4. 

bracket/movable pulley rearward against the spring 

tension and slide the backside of the belt onto the movable 

idler pulley. Refer to Fig. 7-4.

Rear Deck

Hanger Bracket

Deck Lift Arm

Deck

Support

Pin

Rear Hanger

Bracket Slot

Figure 7-6