Columbia RZT S Series, Operator'S Manual

S

ection

 6— M

aintenance

 & a

djuStMentS

22

Adjustments

NOTE: 

Check the tractor’s tire pressure before performing 

any deck leveling adjustments. Refer to Tires for information 

regarding tire pressure.

WARNING! 

Shut the engine off, remove the 

ignition key and engage the parking brake before 

making adjustments. Protect your hands by using 

heavy gloves when handling the blades.

Leveling the Deck (Side to Side)

NOTE: 

Check the tractor’s tire pressure before performing any 

deck leveling adjustments. Refer to Tires for information regarding 

tire pressure. Always level the deck side to side before front to rear.
If the cutting deck appears to be mowing unevenly, a side to side 

adjustment can be performed. Adjust if necessary as follows:
1. 

With the tractor parked on a firm, level surface, place the 

deck lift handle in a middle mowing position and rotate both 

outside blades so that they are perpendicular with the tractor.

2. 

Measure the distance from the outside of the left blade 

tip to the ground and the distance from the outside of the 

right blade tip to the ground. Both measurements taken 

should be equal. If they’re not, proceed to the next step.

3. 

Loosen, but do NOT remove, the hex bolt on the rear left 

deck hanger link. See Figure 6-4.

Adjustment

Gear

Hex Bolt

Figure 6-4

NOTE: 

The rear right deck hanger link is not adjustable and 

is used to help adjust the other hanger links.

4. 

Using a wrench, raise or lower the left side of the deck by 

turning the adjustment gear. See Figure 6-5.

The deck is properly leveled when both blade tip measurements 

are equal. Retighten the hex bolt on the front left deck hanger 

bracket when proper adjustment is achieved.

Leveling the Deck (Front To Rear)

NOTE: 

Check the tractor’s tire pressure before performing 

any deck leveling adjustments. Refer to Tires on page 22 for 

information regarding tire pressure. Always level the deck side to 

side before front to rear.
The front of the deck should be between 1⁄4” and 3⁄8” lower than 

the rear of the deck. Adjust if necessary as follows:
1. 

Park the tractor on a firm, level surface and place the deck 

lift handle in a middle position.

2. 

Rotate the blade nearest the discharge chute so that it is 

parallel with the tractor.

3. 

Measure the distance from the front of the blade tip to the 

ground and the rear of the blade tip to the ground. The 

first measurement taken should be between 1⁄4” and 3⁄8” less 

than the second measurement.

4. 

Determine the approximate distance necessary for proper 

adjustment and proceed, if necessary.

5. 

Using a wrench, raise or lower the front of deck by turning 

lock nut on the front deck lift rod. See Figure 6-5. The deck 

is properly leveled when the front tip of the blade is 1⁄4” 

lower than the rear tip. Retighten the hex bolt on the left 

and right rear deck hanger links when proper adjustment 

is achieved.

Lock Nut

Front Deck Lift Rod

Figure 6-5