50
2. Clean engine air cleaner.
3. Check sharpness of blades:
a. Rotor.
b. Stationary.
Remove, sharpen or change edge as
required.
40 Hours or Weekly
1. Check rotor drive belt tension. Move the
engine to set the belt tension.
Fig. 39 ROTOR DRIVE SYSTEM
Fig. 40 AIR CLEANER
Fig. 41 BLADES
Stationary
Rotor
a
b