3.34 76347-281 • 12-08
WARNING!
Safety
Engine Belt Drive
Moving belts can cause serious injury or death.
Do not operate without the guards in place. Do
not attempt to touch, check, clean, or adjust
the belts during operation. Turn off the engine
and lock-out the machine before servicing.
Function
The engine belt drive provides power to the chipper drum. The belt drive
consists of the belt, two sheaves, two bushings, and the belt guard.
Use
The engine drive belt is housed inside the belt guard. Never remove the
belt guard unless you are changing or servicing the belt. To remove the
belt guard, loosen the bolts and washers on the top and sides of the
guard, lift the top of the guard off the guard base. Always replace the
belt guard and secure with the bolts and washers after the work is
completed.
To get top performance from the drive belt, it is important that the belt
tension is adjusted properly. At the top of the belt guard, is a door for
checking belt tension. To open the door, remove the bolt and lift open.
See Maintenance section for checking and tightening the belt tension
and replacing belts.
Maintenance
• Grease and oil can penetrate the belt, remove grease and oil from
belt as soon as possible
• Clean the belt with a clean cloth and non-flammable cleaning
solution. Soap and a mild detergent will work, but a non-
flammable cleaner is best
• Inspect sheaves for wear or damage when replacing the belt
Belt guard
Sheave
Belt
Belt guard door for
checking belt tension
Bushing
Belt guard
bolts
Figure 3.16
Never use flammable cleaning solvents on the belt.
Friction may cause a fire. Use non-flammable cleaners.
Features and Function • Components • Engine Belt Drive
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