5
Maintaining
Your Chipper
Shredder
6.
Remove the blade by removing the internal hex
screws, lock washers, and hex nuts which secure it to
the impeller. Retain the hardware. See Figure 5-3.
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.
7.
Install a replacement blade (Part No. 781-0490) 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.
Figure 5-3
8. exposeTo replacethethesecondotherbladeblade,androtaterepeatthetheimpellerstepstoabove.
NOTE: Make certain blades are reassembled with the
sharp edge facing upward. Torque hardware to 250 - 300
in. lbs.
WARNING
WARNING: The impeller’s chipper
blades and shredder blade are sharp.
Wear leather work gloves to protect your
hands.
The impeller’s
chipper blades and
shredder blade are
sharp. Wear leather
work gloves to
A
B
Sharpening Or Replacing The Shred-
der Blade
A
protect your hands.
1.
Stop the engine and make certain that all moving
parts have come to a complete stop.
Figure 5-4
NOTE: Use a 3/16” hex key (Allen) wrench on the
Disconnect the spark plug wire and ground against the
outside of the shredder blade and a 1/2” box (or socket)
engine.
wrench on the inside of the shredder blade. Hold the
Lower the hopper assembly and block up the housing. Allen wrench stationary and rotate the box (or socket)
wrench to loosen the nut. Use caution when removing
Remove the six hex lock nuts and flat washers
the blade to avoid contacting the weld studs on housing.
from the weld studs on the flail housing. Retain the
hardware.
2.
3.
4.
IMPORTANT
Make certain chipper
blades are reassem-
bled with the sharp
edge facing upward.
Torque hardware to
IMPORTANT: When sharpening the blade, follow
the original angle of grind as a guide. It is extremely
important that each cutting edge receives an equal
amount of grinding to prevent an unbalanced blade.
An unbalanced blade will cause excessive vibration
when rotating at high speeds and may cause damage
to the unit. The blade can be tested by balancing it on a
Remove the two wing knobs and cupped washers that screwdriver or nail. Remove metal from the heavy side
secure the chute deflector and raise the chute.
until it is balanced evenly.
5.
Carefully separate the hopper assembly from the
impeller assembly and remove the support plate.
NOTE: When reassembling the support plate, make
certain the embossed tab faces inward towards the
impeller.
250
- 300 in. lbs.
6.
7.
IMPORTANT
Insert a 1/2” or 3/4” diameter pipe through the flail
screen into the impeller to keep it from turning or
remove the flail screen and insert a piece of wood into
the chute opening.
StoringYour Chipper Shredder
The following steps should be taken to prepare your
chipper shredder for storage.
When reassembling the
shredder blade, tighten
center bolt to between
1.
2.
Clean the equipment thoroughly.
8.
a. Remove the two internal hex screws, lock washers,
and hex lock nuts which secure the shredder blade
to the impeller.
550
and 700 in.-lbs.
Wipe equipment with an oiled rag to prevent rust.
and the two out bolts to
between 250 and 350
in.-lbs.
3. Refer to engine manual for correct engine storage
b. Remove the hex bolt, lock washer, and flat washer
to completely free shredder blade. See Figure 5-4.
instructions.
4.
Store unit in a clean, dry area. Do not store next to
corrosive materials such as fertilizer.
13
| Categories | Blower Vacuum and Sweeper Manuals, Lawn Mower Manual, MTD Blower and Vacuum Manuals, MTD Lawn Mower Manuals |
|---|---|
| Tags | MTD 450, MTD 460 |
| 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 |
(0 votes, average: 0 out of 5)