Replacing Worn Cutting
Blades
Service Interval:
Before each use or daily—Check the
blades for wear or damage.
When the cutting blades are worn down and no longer
functioning properly, replace them, as follows:
Important:
Perform this procedure when the fuel
tank is empty or nearly empty.
1. Stop the machine on a level surface, place the
traction control lever in neutral, stop the engine, and
raise the cutting blades to the highest position.
2. Remove the 3 bolts, lock washers, and 2 spacers
securing the belt cover to the left side of the machine
and remove the cover.
3. Remove the cutting blades drive belt from the
machine.
4. Tilt the machine forward onto its nose, resting on a
block of wood.
Note:
It will take two people to tip the machine
forward safely.
5. Lower the cutting blades to the lowest position.
6. Spin the cutting blade assembly. It should spin freely.
If it make a grinding noise and is halting, the bearings
are worn; replace them when you replace the blades.
7. Remove the 4 carriage bolts and locknuts securing
the cutting blade assembly (Figure 25) and remove it
from the machine.
g013392
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2
3
5
6
7
8
9
10
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Figure 25
1.
Bolt
7.
Large nut
2.
Pulley wheel
8.
Washer
3.
Carriage bolt
9.
Cutting blade
4.
Set screw
10.
Spacer
5.
Bearing
11.
Shaft
6.
Locknut
8. Remove the 2 bolts attaching the pulley wheel to the
assembly (Figure 25).
9. Loosen the 2 set screws located on the bearing
(Figure 25) and slide the bearing off of the shaft.
10. Loosen and remove the large nut and washer from
the shaft (Figure 25).
11. Slide the spacer off of the shaft (Figure 25).
12. Carefully slide the blades off of the shaft (Figure 25)
and replace them as necessary.
13. Reverse the procedure to install the assembly.
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