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MAINTENANCE
BRAKE ROD ADJUSTMENT
Should not normally require resetting.
Fig. 17
1. Loosen lock nuts;
(A) See Fig. 17
2. Adjust pivot block
position;
3. Retighten nuts.
BRAKE ADJUSTMENT
Required to take up brake pad wear.
1. Loosen lock nut; (B) See Fig. 17.
2. Adjust nut a small amount to take up wear;
3. Retighten lock nut;
4. Check operation.
Do not over-adjust. Set so that park brake knob engages.
PARKING BRAKE
Should always be checked for operation after clutch / brake
rods have been adjusted.
CUTTER DRIVE ADJUSTMENT
1. Mover cutter head lever to engaged position and lower
deck to low cut.
2. Adjust length of push rods so that cutter head engagement
shaft lugs are vertical.
3. Adjust nyloc nuts on engagement lever rod to give approx.
32mm gap between top of lever and end of slot. Fig. 18.
Note:- After adjusting cutter drive check blade brake
adjustment.
CUTTER HEAD BRAKE
Should regularly be checked for operation.
PAD REPLACEMENT
1. Remove ‘R’ clip and push
rod pin (See Fig. 19).
2. Remove brake rod pivot
bolt (B) and two spacers
(see Fig. 19).
3. Remove brake plate
assembly.
4. Drill out pad retaining rivets.
5. Rivet replacement pad in position.
6. Refit in reverse order.
CUTTER HEAD BRAKE ADJUSTMENT
1. With cutter head disengaged and in low cut position.
2. Adjust nyloc nut on rod till clearance of 5mm is obtained.
3. Adjust tension on spring using lock nuts to give length of
52mm. Fig. 20.
To adjust out excessive play caused by wear in the gears.
1. Loosen bolts securing steering shaft pivot block (A).
2. Lightly tap pivot block towards layshaft pivot block and retighten
bolts (A).
3. Check steering gear engagement. Check that there are no tight spots
when turning steering wheel from lock to lock.
10
SPRING GEARS
Fi
g
. 21
Fig 18