Gravely 992184 Owner's/Operator's Manual page 30

Replacing the Hydro Pump Belt
1. Properly stop and park unit (See
Operation on page 12).
2. Remove the PTO belt from the mower
clutch sheave (See Replacing Mower
Belts on page 29).
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 the clutch anchor and
mounting hardware.
5. Remove old hydro pump belt from right
hand hydrostat sheave first (Figure 22).
6. Install new hydro pump belt by
positioning belt on sheaves. Put belt
onto right hand hydrostat sheave last.
7. Replace clutch stop. Tighten hardware
to 240 – 396 lbf-in (27.1 – 44.7 N•m)
8. Replace long mower belt on mower
clutch sheave. See Replacing Mower
Belts on page 29.
2
6
3
4
1. Hydro Belt
2. Spring
3. Idler
4. Engine
Sheave
GB - 30
Clutch Anchor and
Mounting Hardware
1
5. Right Hand
Hydrostat
6. Left Hand
Hydrostat
7. Clutch
8. Clutch Anchor
Figure 22
5
7
8