Gravely Pro-Turn 100 Operator's Manual page 32

2
3
1. Footboard in open position
2. Support Frame
3. Pivot
Figure 20
Replacing Mower Belts
(Figure 21 and 22)
NOTE: Long PTO mower belt must be
removed to remove short mower belt.
CAUTION: Use care when releasing
idler spring tension. Keep body parts
well away from idlers when
performing this operation.
1. Slowly release the tension on the long
mower belt idler until all the tension is
removed from the springs.
2. Remove the belt guide bolt from the idler
arm.
3. Remove long mower belt from left blade
spindle and remove from deck.
4. Slowly release the tension on the short
belt idler until all the tension is removed
from the springs.
5. Remove short mower belt from right
blade spindle and from deck. Idler pivot
bolt must be loosened slightly to gain
clearance to remove belt from under
idler pulley (Figure 21 and Figure 22).
6. Arrange new mower belt(s) on deck
(short belt first). Retighten short mower
belt idler pivot bolt. Install belts on
sheaves. Put belts onto center sheave
last.
7. Replace the belt guide bolt on the idler
arm.
8. Replace belt covers and return foot
board to closed position.
48" and 52" Belt Layout
3
1
8
5
1
6
1. PTO Mower Belt
2. Mower Drive Belt
3. Springs
4. Mower Drive Belt Idler
5. PTO Mower Belt Idler
6. Mower Clutch Sheave
7. Center Sheave
8. Belt Guide Bolt
60" Belt Layout
3
5 8
1
6
1. PTO Mower Belt
2. Mower Drive Belt
3. Springs
4. Mower Drive Belt Idler
5. PTO Mower Belt Idler
6. Mower Clutch Sheave
7. Center Sheave
8. Belt Guide Bolt
EN - 30
4
7
Figure 21
3
4
7
Figure 22
2
2