SPECIFICATIONS & MAINTENANCE
2-13
Toro 30” Aerator Service Manual
2
Brake Maintenance
Adjusting the Parking Brake
If the parking brake does not hold securely, an
adjustment is required.
1. Park the machine on a level surface.
2. Shut off engine and wait for all moving parts to stop.
3. Check the air pressure in the drive tires. If needed,
adjust to the recommended ination.
4. Disengage the parking brake.
5. Loosen the adjustment nut on the brake cable under
the console.
6. Engage the parking brake.
7. Adjust the nut position until 3-1/8” (7.9cm) from the
bottom of the link to the bottom of the spring (Fig.
005).
Fig. 004 g. 17 G006131
Fig. 005 g. 18 G018143
A. Spring disc washers
A. 3-1/8” (7.9cm)
Drive Wheel Chain Tension Adjustment
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Lift the rear of the unit and support using jack stands
or equivalent support.
3. Check the chains on both sides of the unit for proper
tension. The chains should be able to move up and
down 1/4”-1/2” (6-12mm).
4. Adjust the idler sprockets.
5. Recheck the chain tension and tighten the idler bolt.
Caster Pivot Bearings Pre-Load Adjustment
Remove dust cap from caster and tighten nyloc nut until
washers are at and back off 1/4 of a turn to properly
set the pre-load on the bearings. If disassembled, make
sure the spring disc washers are reinstalled as shown in
Figure 004.
A
8. Tighten the cable adjustment nuts.
9. Check the parking brake; repeat steps 5 through 8 if
necessary.
A
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