Gravely Compact Pro 34 Operator's Manual page 25

Remove PTO Belt
(Figure 16)
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 PTO
belt idler until all the tension is removed
from the springs.
2. Remove PTO belt from deck.
3. Arrange new PTO belt on deck sheaves,
and then slowly tension the idler springs.
4. Replace belt covers and return foot
board to closed position.
1
3
5
4
1. Mower Deck
Sheaves
2. Springs
3. PTO Belt Idler
Figure 16
2
1
3
4. Mower Clutch
Sheave
5. PTO Belt
GB - 25
Replacing the Hydro Pump Belt
(Figure 17)
1. Properly stop and park unit (See
Operation on page 12).
2. Remove the PTO belt from the mower
clutch sheave (See Remove PTO Belt
on page 25 or Mower Blades on
page 19).
CAUTION: Use care when releasing
idler spring tension. Keep body parts
well away from idlers when
performing this operation.
3. Slowly release the tension on the hydro
pump belt idler until all the tension is
removed from the springs.
4. Remove old hydro pump belt from right
hand hydrostat sheave first (Figure 17).
5. Install new hydro pump belt by
positioning belt on sheaves. Put belt
onto right hand hydrostat sheave last.
6. Replace long mower belt on mower
clutch sheave. See Remove PTO Belt
on page 25 or Mower Blades on
page 19.
1
5
3
4
1. Hydro Belt
2. Spring
3. Idler
4. Engine
Sheave
Figure 17
6
2
7
8
5. Right Hand
Hydrostat
6. Left Hand
Hydrostat
7. Clutch
8. Clutch
Anchor
OF1631