Maintaining
Your Chipper
Shredder
2.
3.
Pivot the shredder screen upward as instructed under
the heading Cleaning the Reduction Chamber.
a. Remove the chipper chute support brace from the
frame by removing the two hex bolts and saddle
washers which secure it. See Figure 5-2.
b. Remove the chipper chute by removing three hex
nuts and washers which secure it to the impeller
housing. See Figure 5-2.
•
Rotate the impeller by hand until one of the two
chipper blades is visible through the impeller
housing opening.
c. Remove the blade by removing the internal hex
screws, lock washers and hex nuts which secure it
to the impeller. Retain the hardware.
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.
Figure -3
4.
Install a replacement blade (Part No. 742-0544A) 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.
5. exposeTo replacethethesecondotherbladeblade,androtaterepeatthetheimpellerstepstoabove.
WARNING
The shredder blade is
sharp. Wear leather
work gloves to
B
C
NOTE: Make certain blades are reassembled with the
sharp edge outward (toward the chipper chute). Torque
hardware to between 20 ft.-lbs and 25 ft.-lbs.
protect your hands.
A
Figure -4
Sharpening Or Replacing The
Shredder Blade
NOTE: Use a 3/16” hex key (Allen) wrench on the
outside of the shredder blade and a 1/2” box (or socket)
wrench on the inside of the shredder blade. Hold the
Allen wrench stationary and rotate the box (or socket)
wrench to loosen the nut.
c. Rtoecompletelymove the hfreeex boshredderlt, lock wblade.asher,Seeand fFigurelat was5-4.her
WARNING: The shredder blade is sharp.
Wear leather work gloves to protect
your hands.
IMPORTANT
Make certain chipper
blades are reassem-
bled with the sharp
edge outward (toward
the chipper chute).
Torque hardware to
between 20 ft.-lbs and
1.
2.
Stop engine,disconnect spark plug, and make certain
that all moving parts have come to a complete stop.
Remove the two flange nuts (and hex bolts) which
IMPORTANT: If sharpening the blade for reuse, follow
secure the hopper support bracket to the impeller
the original angle of grind as a guide. Make certain each
housing. Retain the hardware. See Figure 5-3.
cutting edge receives an equal amount of grinding to
Pivot the shredder screen upward as instructed under prevent an unbalanced blade. Remove metal from the
the heading Cleaning the Reduction Chamber.
heavy side until it is balanced evenly.
IMPORTANT: When reassembling the blade, tighten
center bolt to between 45 ft.-lbs and 60 ft.-lbs and the
two out bolts to between 20 ft.-lbs and 25 ft.-lbs.
3.
4.
25
ft.-lbs.
a. Remove six flange nuts which secure hopper inlet
guide to impeller housing. See Figure 5-4.
IMPORTANT
•
•
Carefully separate the hopper assembly from the
impeller housing and set it aside.
When reassembling the
shredder blade, tighten
center bolt to between
StoringYour Chipper Shredder
opening to stabilize the impeller and prevent it from 1. Clean the equipment thoroughly.
Wipe equipment with an oiled rag to prevent rust.
Referinstructionsto engine manual for correct engine storage
Storecorrosiveunitmaterialsin a clean,suchdry asarea.fertilizer.Do not store next to
Insert a piece of wood into the chute deflector
rotating when removing the shredder blade.
45
ft.-lbs and 60 ft.-lbs
2.
3.
b. Remove the two internal hex screws, hex lock nuts,
and lock washers which secure the shredder blade
to the impeller. See Figure 5-4.
and the two out bolts to
between 20 ft.-lbs and
25
ft.-lbs.
4.
11
| Categories | Lawn Mower Manual, MTD Blower and Vacuum Manuals, MTD Lawn Mower Manuals, Troy-Bilt Blower and Vacuum Manuals, Troy-Bilt Lawn Mower Manuals |
|---|---|
| Tags | MTD 410, MTD 420, Troy Bilt 420, Troy-Bilt 410 |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Lawn Mower |
| Product Type | Walk Behind Mower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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