Maintenance And Adjustments - MTD 31A-2M1A731 Operator's Manual

Single-stage snow thrower
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Maintenance& Adjustments
6
11
Adjustments
WARNING!
Before Servicing,
repairing
or
inspecting
the snow thrower,
disengage
the auger
control. Stop the engine and remove the key to
prevent
unintended
starting.
ShavePlate
To check the adjustment
of the shave plate, place the machine
on a level surface. The wheels, shave plate and auger should
all
contact
the level surface. Note that if the shave plate is adjusted
too high, snow may blow under the housing.
If the shave plate
wears out excessively, or the snow thrower
does not self-propel,
the shave plate may be too low and needs to be adjusted.
NOTE: On new snow throwers
or machines with a new shave
plate installed,
the auger may be slightly off the ground.
To adjust the shave plate proceed
as follows:
1.
Drain the gas from the snow thrower.
2.
Pull the starter cord until resistance
is felt. Then tip the
snow thrower
back until it rests on the handles.
3.
Loosen the four lock nuts and bolts which secure the shave
plate to the housing. See Fig. 6-1. Move the shave plate to the
desired position and retighten the nuts and bolts securely.
Figure 6-1
4.
Tip the snow thrower
back to the operating
position
and pull
the starter handle a few times to see if it is difficult
to pull.
5.
If the starter is difficult
to pull, remove the spark plug and
pull the handle several times to ensure that any oil trapped
in the head is removed.
i_
CAUTION:
Oil may come out of the spark plug hole
when it is removed
and the starter handle is pulled.
6.
I
Inspect
the spa rk plug. If it is wet, clean off any oil before
re-installing.
Control Cable
As a result of both the control
cable and the auger drive belt
stretching
due to wear, periodic
adjustments
may be necessary. If
the auger seems to hesitate
when rotating,
proceed
as follows:
The upper hole in the control
handle provides
for an adjustment
in cable tension.
To adjust, disconnect
the end of control cable
from the bottom
hole in the control
handle and reinsert
it in the
upper hole. Insert the cable from the outside
as shown in Fig. 6-2.
r
Control
Handle
/
Figure 6-2
Test the snow thrower
to see if there is a noticeable
difference.
If
after the adjustment
to the control
cable the auger still hesitates
when rotating,
see the Service Section for instructions
on
replacing
the belt.
ChuteAssembly
Refer to the Assembly
& Set-Up section
for instructions
on
adjusting
the chute assembly.
Maintenance
Lubrication
Lubricate
the pivot points on the control
handle and the
extension
spring at the end of the control
cable with a light
oil once every season and before the snow thrower
is put into
storage at the end of the season.
Off-SeasonStorage
If the snow thrower
will not be used for 30 days or longer, follow
the instructions
below.
1.
2.
Store the equipment
in a clean, dry area.
If storing the snow thrower
in an unventilated
area,
rustproof
the machine
using a light oil or silicone
to coat
the snow thrower.
3.
Clean the exterior
of the engine and the snow thrower.
4.
Lubricate
pivot points on control
handle and extension
spring at end of control
cable with a light oil.

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