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Adjusting the Parking Brake
If the parking brake fails to engage, an adjustment to the
brake pawl is required.
1. Loosen the 2 screws securing the parking brake pawl
to the frame (Figure 56).
Figure 56
1. Brake cables
2. Screws (2)
2. Press the parking brake pedal forward until the
brake detent completely engages on the brake pawl
(Figure 56).
3. Tighten the 2 screws locking the adjustment.
4. Press the brake pedal to release the parking brake.
5. Check the adjustment and readjust as required.
3. Parking brake pawl
4. Brake detent
Belt Maintenance
Checking the Alternator Belt
Service Interval: Every 100 hours
After the first 10 hours
1. Open the hood and secure the prop rod.
2. Check the tension of the alternator belt by depressing
it (Figure 57) midway between the alternator and the
crankshaft pulleys with 22 lb (10 kg) of force.
1. Alternator
2. Bolt
The belt should deflect 7/16 inch (11 mm). If the
deflection is incorrect, proceed to step 3. If correct,
continue operation
3. Loosen the bolt securing the brace to the alternator
(Figure 57), and the alternator pivot bolt.
4. Insert a pry bar between the alternator and the engine
and pry out on the alternator.
5. When you achieve the proper tension, tighten
the alternator, brace and pivot bolts to secure the
adjustment.
Replacing the Blade Drive
Belts
Service Interval: Every 50 hours
The blade drive belts, tensioned by the spring loaded idler
pulleys, are very durable. However, after many hours of use,
the belts will show signs of wear. Signs of a worn belt are:
squealing when belt is rotating, blades slipping when cutting
grass, poor quality of cut, frayed edges, burn marks and
cracks. Replace the belts if any of these conditions are evident.
1. Lower the cutting unit to the 1 inch height of cut
setting, move the throttle lever to the Slow position,
50
Figure 57
3. Brace
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