Gravely 988100 - GR1336FX Benutzerhandbuch

GB - 19

5. Adjust tracking if needed.

Try each of the following steps until the unit tracks 
straight. It may not be necessary to perform all the 
steps.

1. Reduce the air pressure in the left tire.

2. Increase the air pressure in the right tire.

3. Check for brake binding on right wheel and adjust 

as needed.

1. Reduce the air pressure in the right tire.

2. Increase the air pressure in the left tire.

3. Check for brake binding on left wheel and adjust 

as needed.

1. Adjust forward tracking (See Check Forward 

2. Move shift lever into Reverse and slowly pull up 

on the lower control levers.

3. Note which direction, if any, the unit pulls.

4. Stop unit and engine.

5. Adjust tracking if needed.

If unit turns to the right:

1. Reduce the air pressure in the left tire.

2. Increase the air pressure in the right tire.

3. Check reverse tracking and adjust as needed.

If unit turns to the left:

1. Reduce the air pressure in the right tire.

2. Increase the air pressure in the left tire.

3. Check reverse tracking and adjust as needed.

For each lever:

1. Turn off the engine, remove the key and allow unit 

to cool.

2. Release steering or control levers (Figure 8).

3. Shift transmission into neutral. Operate steering 

or control lever several times. Do not move unit.

4. Remove hair pin and clevis pin from the clevis on 

the steering control rod.

5. 988100, 101, 102, 103, 104, 110, 112: Adjust the 

clevis on the steering control rod until the gap 
between the ends of the steering lever and 
handlebar grip is  2-1/2 to 3 in. (6.35-7.6 cm).

988114, 115, 118, 119, 313: Set pivot bar all the 
way forward, and then adjust the clevis on the 
steering control rod until the gap between the 
ends of the control lever and pivot bar is 2-1/2 to 
3 in. (6.35 - 7.6 cm).

6. Reinstall the clevis pin and hair pin.

7. Repeat for other steering lever.

NOTE: The traction belt must disengage as the brake 
starts to engage.

1. Turn off the engine, remove the key and allow unit 

to cool.

2. If brakes do not disengage fully when traction belt 

is engaged, the brakes are too tight. Loosen the 
wing nut (Figure 9).

3. If brakes do not engage fully when traction belt is 

disengaged, the brakes are too loose. Tighten the 
wing nut.

4. Start engine and test in low gear for proper brake 

engagement.

Figure 8

1. Hair Pin
2. Clevis Pin
3. Clevis
4. Steering Lever

5. Steering Control Rod
6. Pivot Bar
7. Control Lever
8. Control Stop Lock 

Lever

1

2

3

4

5

OG0752

2-1/2 - 3"

(6.35 - 7.6 cm)

2-1/2 - 3"

(6.35 - 7.6 cm)

7

6

8