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Belt Maintenance
Removing the Belt Guard
1.
Loosen the 2 capscrews, and 2 flange-head
bolts that secure the belt guard to the machine
(Figure
24).
Figure 24
1. Capscrews
2.
Remove the belt guard from the machine
24).
Installing the Belt Guard
1.
Align the belt guard, capscrews, and flange-head
bolts with the holes in the side frame plate and
the spring bracket
Figure 25
1. Capscrews
2.
Assemble the belt guard to the machine with the
2 capscrews, and 2 flange-head bolts
25).
3.
Torque the capscrews and flange-head bolts to
1378 to 2542 N∙cm (175 to 225 in-lb).
2. Flange-head bolts
(Figure
(Figure
25).
2. Flange-head bolts
(Figure
Checking the Condition of
the Belts
Service Interval: Every 25 hours
1.
Shut off the engine, wait for all moving parts to
stop, and remove the spark-plug wire. Engage
the parking brake.
2.
Remove the belt cover from the left side of the
machine.
3.
Check the belts for cracks, frayed edges, burn
marks, or any other damage.
4.
If a belt is damaged, replace it.
5.
Check the drive-belt tension; refer to
the Self-Propel Drive-Belt Tension (page
Adjusting the Self-Propel
Drive-Belt Tension
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If the self-propel drive belt squeals during operation
(such as when moved from neutral to forward or
reverse), tighten the belt as follows:
1.
Shut off the engine, wait for all moving parts to
stop, and remove the spark-plug wire.
2.
Raise the cutting blades to the highest position.
3.
Remove and retain the 4 bolts, lock washers,
and 2 spacers securing the belt cover to the left
side of the machine, and remove the cover.
4.
Check the tension of the belt. It should not flex
more than a 6 mm (1/4 inch) with moderate
finger pressure applied to the span just above
the machine frame
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1. Belt
2. Pulley carriage
5.
To tighten the belt, loosen the 4 mounting
nuts and bolts securing the pulley carriage to
the frame, and move the carriage to the left,
25
Adjusting
(Figure
26).
Figure 26
3. Nut
25).
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