Belts; Replacing Hydro Pump Belt - Gravely Promaster 260Z Service Manual

BELTS

WARNING: MOVING PARTS can cut or
amputate body parts. ALWAYS wait for
moving parts to stop before performing
maintenance or service.
CAUTION: DAMAGED OR WORN BELTS
may result in injury and/or damage to the unit.
Check belts for excessive wear or cracks
often.
Belt Access
1. Properly stop and park unit (refer to Owner's
Manual).
2. Lower the mower.
3. Place seat in most rearward position.
4. Remove belt covers.
5. Place foot board in open position (Figure 9).
6. Secure raised footboard with latch.
1
4
1. Footboard in open
position
2. Footboard in closed
position
Figure 9
Replacing Mower Belts
NOTE: Long belt must be removed to remove short
belt.
1. Roll long belt off left blade spindle and remove
from deck.
2. Roll short belt off right blade spindle and remove
from deck. Idler pivot bolt must be loosened
slightly to gain clearance to remove belt from under
idler pulley (Figure 10).
2
5
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3. Support Frame
4. Pivot
5. Latch
1
3
1
5
1. Long Mower Belt
2. Short Mower Belt
3. Springs
CAUTION: Use care when releasing idler
spring tension. Keep body parts well away
from idlers when performing this operation.
3. Arrange new mower belt(s) on deck (short belt
first). Retighten short belt idler pivot bolt. Install
belts on sheaves. Roll belts onto blade sheave last.
4. Replace belt covers and return foot board to closed
position.
Replacing the Hydro Pump Belt
1. Properly stop and park unit (refer to unit Owner's
Manual).
3
2. Remove the mower belt from the mower clutch
sheave. See replacing Mower Belts.
3. Remove old hydro pump belt by rolling belt off right
hand hydrostat sheave first. (Figure 11)
4. Install new pump belt by positioning belt on
sheaves. Roll belt onto right hand hydrostat
sheave last.
5. Put the mower belt back on mower clutch sheave.
See Replacing Mower Belts.
20
3
2
72" Belt
Layout
4
2
50" and 60"
Belt Layout
4
4. Idlers
5. Mower Clutch
Sheave
Figure 10
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