Gravely Pro-Stance 36 Operator's Manual page 31

Figure 34
5. Open the belt access panel. See Service
Position on page 19.
Remove PTO Belt
CAUTION: Use care when
releasing idler spring tension.
Keep body parts well away
from idlers when performing
this operation.
See Figure 36.
1. Remove transmission belt. See Remove
Transmission Belt on page 30.
2. Release tension from idler pulley.
3. Remove PTO mower belt from clutch and
then from jackshaft.
Install PTO Belt
1. Install PTO belt on clutch and then on
jackshaft. See Figure 36.
IMPORTANT: Ensure that correct sheave is
used based on deck height setup:
See Figure 35.
• Low (38 mm – 102 mm or 1.5" – 4")
position: Use top sheave.
• High (64 mm – 127 mm or 2.5" – 5")
position: Use middle sheave.
1. Use when deck is in low setting.
2. Use when deck is in high setting.
2. Reinstall transmission belt. See Install
Transmission Belt on page 30.
3. Verify that there are no twists in belts and
that they are routed correctly.
4. Replace belt guards and close belt
access panel.
4
1. PTO Mower Belt
2. Spring
3. Idler Pulley
4. Clutch
5. Mower Drive Belt
6. Jackshaft
EN - 29
Figure 35
2
1
6
3
Figure 36
1
2
5