SECTION 7: SERVICE
WARNING: Before servicing, repairing, or
•
•
Tip the snow thrower up and forward so that it rests
on the housing.
Remove six self-tapping screws from the frame
cover underneath the snow thrower. See Figure 13
for the location of the hardware.
inspecting, disengage all clutch levers and
stop engine. Wait until all moving parts have
come to a complete stop. Disconnect spark
plug wire and ground it against the engine to
prevent unintended starting.
Belt
Cover
Augers
The augers are secured to the spiral shaft with two
shear bolts and hex lock nuts. If the snow thrower hits a
foreign object or ice jam, hex bolts will shear.
Self-Tapping
Screws
•
If the augers will not turn, check to see if the bolts
have sheared. Two replacement shear bolts and
hex lock nuts have been provided in the snow
thrower’s hardware pack. For future use, order part
number 710-0890A (shear bolt 5/16-18 x 1.5") and
712-0429 (hex lock nut 5/16-18).
Shave Plate and Skid Shoes
The shave plate and skid shoes on the bottom of the
snow thrower are subject to wear. They should be
checked periodically and replaced when necessary.
Figure 13
•
Roll the front and rear auger belts off the engine
pulley. See Figure 14.
•
To remove skid shoes, remove the four carriage
bolts, bell washers and hex nuts which attach them
to the snow thrower. Reassemble new skid shoes
with the four carriage bolts, bell washers (cupped
side goes against skid shoes) and hex nuts. Make
certain the skid shoes are adjusted to be level.
To remove shave plate, remove carriage bolts, bell
washers and hex nuts which attach it to the snow
thrower housing.
Rear Auger
Belt
Drive
Belt
Engine
Pulley
Front Auger
Belt
Idler
Pulley
•
•
Reassemble new shave plate, making sure heads
of the carriage bolts are to the inside of the housing.
Tighten securely.
Idler
Pulley
Engine
Pulley
Belt Replacement
Figure 14
WARNING: Disconnect the spark plug wire
from the spark plug and ground.
•
•
Unhook the idler spring from the hex bolt on the
auger housing. See Figure 15.
Back out the stop bolt to allow the belts to slip
between the bolt and auger pulley. See Figure 16.
Auger Belts
NOTE: It may be necessary to loosen the six hex nuts
that fasten the frame to the auger housing.
NOTE: It is necessary to remove both auger belts in
order to change either one. If changing just one belt, be
certain to check the condition of the other belt.
•
Lift the rear auger belt from the auger pulley, and
slip belt between the support bracket and the auger
pulley. See Figure 15. Repeat this step for front
auger belt .
•
Remove the plastic belt cover on the front of the
engine by removing the two self-tapping screws.
See Figure 13.
•
Replace both auger drive belts by following
instructions in reverse order.
•
Drain the gasoline from the snow thrower, or place
a piece of plastic under the gas cap.
13
| Categories | MTD Snow Blower Manuals, Snow Blower Manuals |
|---|---|
| Tags | MTD 31AE640F352, MTD Snow Blower Manual |
| Download File |
|
| Document Type | Owner's Manual |
| Language | English |
| Product Brand | MTD, Snow Blower |
| Document File Type | |
| Publisher | mtdproducts.com |
| Wikipedia's Page | MTD Products |
| Copyright | Attribution Non-commercial |
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