Troy-Bilt FLEX Chipper Shredder, Operator'S Manual

9

S

ection

 5 — M

aintenance

 & S

ervice

4. 

Remove the front wheel bracket by loosening 

the four flange nuts (and hex bolts). Retain 

hardware. See Figure 5-6.

Figure 5-6

5. 

Remove six flange nuts which secure hopper 

inlet guide to impeller housing. See Figure 5-7

.

Figure 5-7

6. 

Carefully separate the hopper assembly from 

the impeller housing and set it aside.

7. 

Pivot the shredder screen upward as 

instructed under the heading Cleaning the 

Reduction Chamber.

8. 

Remove the cover bracket from the frame 

by removing the hex bolt which secures it.              

See Figure 5-8.

Figure 5-8

9. 

Remove the chipper chute by removing 

three hex nuts which secure it to the impeller 

housing. See Figure 5-9 & Figure 5-10.

Figure 5-9

1

2

Figure 5-10

10. 

Rotate the impeller by hand until the chipper 

blade is visible through the impeller housing 

opening.

11. 

Remove the blade by removing the internal 

hex screws, lock washers and hex nuts which 

secure it to the impeller. See Figure 5-11. 

Retain the hardware.

Figure 5-11

NOTE: 

Use a 3/16” hex key (Allen) wrench on 

the outside of the blade and a 1/2” box (or 

socket) wrench on the inside of the impeller. 

Hold the Allen wrench stationary and rotate 

the box (or socket) wrench to loosen the nut.

12. 

Install a replacement blade (Part No. 742-

0544B) with the hardware removed earlier or 

sharpen.

IMPORTANT: 

When sharpening the blade, 

protect hands by using gloves. Follow the 

original angle of grind and make sure to 

remove an equal amount from each blade.

NOTE: 

Make certain blade is reassembled with 

the sharp edge outward (toward the chipper 

chute). Torque hardware to between 20 ft.-lbs 

and 25 ft.-lbs.

Shredder Blade

WARNING: 

The shredder blade is 

sharp. Wear leather work gloves to 

protect your hands. 

1. 

Stop engine, make certain the chipper 

shredder has come to a complete stop, and 

disconnect the FLEX™ Power Base from the 

attachment.

2. 

Remove the cover screws which secure 

the drive system cover. Retain hardware.             

See Figure 5-12.

Figure 5-12

3. 

Remove the two flange nuts (and hex bolts) 

which secure the hopper support bracket to 

the impeller housing. Retain the hardware. 

See Figure 5-13.

Figure 5-13