GB - 22
4. Remove PTO belt from left mower deck
pulley.
5. Slowly release idler arm until tension is
removed from idler spring.
6. Remove PTO belt from mower deck and
electric clutch.
Install (Figure 20)
NOTE: Do not install PTO belt on left mower
deck pulley in step 1.
1. Install PTO belt on electric clutch and
mower deck.
2. Hook a puller into idler hole and pull idler
arm towards outside of unit until PTO
belt can be routed around left mower
deck pulley.
3. Slowly release idler arm until idler pulley
rests firmly against PTO belt.
4. Install belt covers on mower deck.
REPLACING HYDROSTATIC BELT
Remove (Figure 21)
1. Remove PTO belt (see REPLACING
2. Disconnect electric clutch connector.
3. Remove clutch stop.
4. Disconnect idler spring.
5. Remove hydrostatic belt from
hydrostatic transmission pulleys, pulley,
electric clutch, and idler.
Install (Figure 21)
1. Install hydrostatic belt on idler, electric
clutch, pulley, and hydrostatic
transmission pulleys.
2. Connect idler spring.
3. Install clutch stop.
4. Connect electric clutch connector.
5. Install PTO belt (see REPLACING PTO
Check Hydraulic Fluid Level
Check the system with the unit cold and
parked on a flat, level surface.
Then run the unit for about one minute and
recheck the levels.
To Add Hydraulic Fluid:
1. Remove the cap from the expansion
tank.
2. Fill the expansion tank with 20W-50
engine oil with an SL API classification
until oil level reaches the cold fill line on
the tank.
3. Install the expansion tank cap and then
purge the system. See “Purging the
Hydraulic System” on page 23.
CAUTION: Use care when
releasing idler spring tension.
Keep body parts well away from
idler when performing this
operation.
Figure 20
7
3
1. Idler Spring
2. Electric Clutch
3. PTO Belt
4. Idler Hole
5. Idler Pulley
6. Idler Arm
7. Belt Cover
1
2
4
6
5
Figure 21
1
1. Hydrostatic Belt
2. Hydrostatic Transmission Pulley
3. Pulley
4. Electric Clutch
5. Idler
6. Idler Spring
2
5
2
4
6
3
