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Belt Maintenance
Checking and Adjusting the
Belt Tension
Service Interval: Every 10 hours
The belt tension may decrease over time. You may
need to adjust the belt within the first half hour of
operation.
Important:
Check the belt tension regularly.
Improper belt tension may cause premature belt
wear.
1.
Remove the pulley cover.
Figure 36
1. Bolt—M6 x 35 mm (4)
2.
With the drive-control lever in the neutral
position, measure the length of the relaxed
cable spring.
Figure 37
1. Cable spring
3.
Pull down the drive-control lever and measure
the length of the extended cable spring. The
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2. Pulley cover
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difference should be 0.32 to 0.6 cm (1/8 to 1/4
inch).
4.
If the belt needs adjustment, hold the lower jam
nut in place and adjust the upper jam nut in 0.32
cm (1/8 inch) increments. Check the tension
again, and repeat as necessary.
Note:
If the tension is incorrect and you cannot
adjust the jam nuts further, move the Z-bend end
of the cable to the next hole in the drive-control
lever as shown in
incorrect, replace the belt.
1. Upper jam nut
1. Z-bend end of cable
5.
Tighten the lower jam nut.
6.
Install the pulley cover.
23
Figure
37. If the tension is still
Figure 38
2. Lower jam nut
Figure 39
2. Move cable to this hole.
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