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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
43) midway between the alternator and the
crankshaft pulleys with 10 kg (22 lb) of force.
Note: The belt should deflect 11 mm (7/16 inch). If
the deflection is incorrect, proceed to step 3. If correct,
continue operation
Figure 43
1. Alternator
2. Bolt
3. Loosen the bolt securing the brace to the alternator
(Figure
43), 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.
3. Brace
Controls System
Maintenance
Adjusting the Traction Drive
for Neutral
Note: If the machine has recently had the hydraulic oil
changed or the traction motors or hoses replaced, any air
trapped in the system will have to be worked out prior to
performing this procedure. This can be accomplished by
operating the machine in forward and reverse for a few
minutes and then replenishing the oil as required.
When positioned on a level surface, the machine must not
creep when the traction pedal is released. If it does creep,
adjust it as follows:
1. Park the machine on a level surface, stop the engine,
and lower the cutting unit to the floor.
2. Jack up the rear of the machine until the rear tires are
off the shop floor. Support the machine with jack
stands to prevent it from falling accidentally.
Note: On 4-wheel-drive models, the front tires must
also be off the shop floor and supported by jack stands.
WARNING
The engine must be running so this
adjustment can be performed. This could
cause personal injury.
Keep hands, feet, face, and other body parts
away from any hot parts of the engine and any
rotating parts.
3. Start the engine, set the throttle to the Slow position
and observe which direction the rear tires rotate.
Important: Make sure that the traction pedal is
in the Neutral position.
•
If the left rear tire is rotating, loosen the jam nuts
on the left side transmission control rod
44).
Note: The forward end of the control rod has a
left hand thread. The rear end of the rod, which is
connected to the transmission, has a right thread.
42
(Figure
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