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Drive System
Maintenance
Inspecting the Tires
Service Interval: Every 100 hours
Check the tire pressure frequently to ensure proper
inflation (97 kPa (14 psi). If the tires are not inflated to
the correct pressure, the tires wear prematurely.
Operating accidents can damage a tire or rim, so
inspect the tire condition after an accident.
The DOT tire information is located on the side of
each tire. This information gives load and speed
ratings. Replacement tires should have the same or
better ratings.
Figure 26
is an example of tire wear caused by under
inflation.
Figure 26
1. Example of tire wear caused by underinflation
Figure 27
is an example of tire wear caused by over
inflation.
Figure 27
1. Example of tire wear caused by overinflation
Belt Maintenance
Adjusting the Belt
Service Interval: After the first 8 hours
Every 50 hours
If the belt slips when changing the direction of the
nozzle, an adjustment to the belt is required.
1.
Loosen the bolts securing the pulley mounting
bracket to the blower frame
2.
Insert the drive of a torque wrench into the pulley
mounting bracket as shown in
3.
With the handle of the wrench, pivot the pulley
mounting bracket away from the nozzle so the
belt is tensioned and the torque wrench reads
22.6 to 26.0 N⋅m (200 to 230 in-lb).
4.
While maintaining the correct belt tension,
tighten the mounting bolts.
g010294
g010293
1. Hole for torque wrench
2. Pulley
3. Mounting bolts
28
(Figure
28).
Figure
28.
Figure 28
4. Belt
5. Torque wrench
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