Brake Maintenance; Adjusting The Parking Brake; Belt Maintenance; Servicing The Engine Belts - Toro 30839 Operator's Manual

Brake Maintenance

Adjusting the Parking Brake

Service Interval: Every 200 hours—Check the parking
brake adjustment.
1. Loosen the set screw securing the knob to the
parking brake lever (Figure 54).
Figure 54
1. Parking brake lever
2. Knob
2. Rotate the knob until a force of 30–40 lb (41–68
N-m) is required to actuate the lever.
3. Tighten the set screw after the adjustment has been
attained.
3. Set screw

Belt Maintenance

Servicing the Engine Belts

Service Interval: After the first 10 hours—Check the
condition and tension of all belts.
Every 100 hours—Check the
condition and tension of all belts.
Tensioning the Alternator/Fan Belt
1. Open the hood.
2. Check the tension by depressing the belt midway
between the alternator and crankshaft pulleys with
22 lb (30 N-m) of force. The belt should deflect
7/16 inch (11 mm).
1. Alternator/fan belt
3. If the deflection is incorrect, complete the following
procedure to tension the belt:
A. Loosen the bolt securing the brace to the engine
and the bolt securing the alternator to the brace.
B. Insert a pry bar between the alternator and
engine and pry out on the alternator.
C. When the proper tension is achieved, tighten
the alternator and brace bolts to secure the
adjustment.
Replacing the Hydrostat Drive Belt
1. Insert a nut driver or small piece of tubing onto the
end of the belt tensioning spring.
WARNING
Use caution when de-tensioning the spring, as it
is under a heavy load.
2. Push down and forward on the spring end (Figure 56)
to unhook it from the bracket and release tension
on the spring.
43
Figure 55