Cooling System Maintenance; Cleaning The Cooling System; Brake Maintenance; Servicing The Brake - Toro 72211 Operator's Manual

Cooling System
Maintenance

Cleaning the Cooling System

Clean the air intake screen from grass and debris before
each use.
Clean the cooling fins and engine shrouds every 100
hours.
1. Disengage the PTO, set the parking brake, stop the
engine, and remove the key.
2. Remove the air intake screen, cylinder covers, and
fan housing (Figure 50 ).
Figure 50
1. Air intake screen
2. Fan housing
3. Clean debris and grass from the parts.
4. Install the air intake screen, cylinder covers, and
fan housing.

Brake Maintenance

Servicing the Brake

Always set the parking brake when you stop the
machine or leave it unattended. If the parking brake
does not hold securely, an adjustment is required.
Checking the Brake
1. Park the machine on a level surface, disengage the
PTO, and set the parking brake.
3. Cylinder cover
4. Cylinder cover
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Rear wheels must lock and skid when you try to
push the tractor forward. Adjustment is required if
the wheels turn and do not lock; refer to Adjusting
the Brake.
4. Release the brake and move the drive control rod
to the push position; refer to Pushing the Machine
by Hand in Operation, page 19. Wheels should
rotate freely.
5. If both conditions are met no adjustment is
required.
Adjusting the Brake
1. Check the brake before you adjust it; refer to
Checking the Brake.
2. Release the parking brake; refer to Releasing the
Parking Brake in Operation, page 19
3. To adjust the brake remove the cotter pin and
loosen the brake adjusting nut slightly (Figure 51 ).
Figure 51
1. Brake adjusting nut
2. Cotter pin
4. Carefully insert a 0.015 inch (0.38 mm) feeler
gauge between the outer brake pad and rotor disk
(Figure 51 ).
5. Tighten the brake adjusting nut until slight
resistance is felt on the feeler gauge when sliding it
in and out. Install the cotter pin.
6. Check the brake operation again; refer to Checking
the Brake.
Important: With the parking brake released,
the rear wheels must rotate freely when you
push the mower. If the 0.015 inch (0.38 mm)
clearance and free wheel rotation cannot
be achieved contact your service dealer
immediately.
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3. Right Front of Transaxle