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GB - 21
4. Turn the return nuts clockwise to decrease the
distance or counterclockwise to increase the
distance until there is 1/16 to 1/8" (1.59 to 3.18 mm)
between the return nuts and trunnion.
5. Tighten return nuts together.
BELTS
Belt Access
1. Properly stop and park unit (See Operation on
page 12).
2. Lower the mower.
3. Place seat in most rearward position.
4. Remove belt covers.
5. Place foot board in open position (Figure 14).
6. Secure raised footboard with latch.
Replacing Mower Belts
NOTE: Long mower belt must be removed to remove
short mower belt.
1. Slowly release the tension on the long mower belt
idler until all the tension is removed from the
springs.
2. Remove long mower belt from left blade spindle and
remove from deck.
3. Slowly release the tension on the short belt idler
until all the tension is removed from the springs.
4. 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 15).
5. 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.
6. Replace belt covers and return foot board to closed
position.
Replacing the Hydro Pump Belt
1. Properly stop and park unit (See Operation on
page 12).
2. Remove the long mower belt from the mower clutch
sheave (See Replacing Mower Belts on page 21).
3. Remove clutch anchor.
4. Slowly release the tension on the hydro pump belt
idler until all the tension is removed from the
springs.
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 unit. Check
belts for excessive wear or cracks often.
CAUTION: Use care when releasing idler spring
tension. Keep body parts well away from idlers
when performing this operation.
1. Footboard in open
position
2. Footboard in closed
position
3. Support Frame
4. Pivot
5. Latch
Figure 14
1
2
3
5
4
CAUTION: Use care when releasing idler spring
tension. Keep body parts well away from idlers
when performing this operation.
Figure 15
1. Long Mower Belt
2. Short Mower Belt
3. Springs
4. Short Mower Belt Idler
5. Long Mower Belt Idler
6. Mower Clutch Sheave
7. Center Sheave
1
2
4
7
6
5
3