Service - MTD 700 series Operator's Manual

Service

WARNING!
Before servicing,
repairing or inspecting the snow
thrower, disengage the auger
control lever. Stop the engine
and remove the safety key to
prevent unintended starting.
Maintenance
Engine
Refer to Engine Operator's Manual.
Tire Pressure
Refer to Assembly & Set-up section (page 12)
for information regarding tire pressure.
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.
NOTE:
Deluxe skid shoes (on select models)
have two wear edges. When one side wears
out, they can be rotated 180° to use the other
edge.
To remove skid shoes (Deluxe shown):
1. Remove four carriage bolts (a) and
hex flange nuts (b) and flat washers (c)
(deluxe only) which secure them to the
unit.
2. Rotate and reassemble new skid shoes
with four carriage bolts (a) (two on each
side) and hex flange nuts (b) and flat
washers (c) (deluxe only). Refer to
Figure 4-1.
(a)
(a)
(c)
NOTE: Augers not shown for clarity.
Figure 4-1
To remove shave plate:
1. Allow the engine to run until it is out of
fuel. Do not attempt to pour fuel from
the engine.
2. Carefully pivot unit up and forward so
that it rests on the auger housing.
3. Remove carriage bolts (a) and hex
nuts (b) which attach it to auger
housing. See Figure 4-2.
4. Reassemble new shave plate, making
sure heads of carriage bolts are to the
inside of housing. Tighten securely.
See Figure 4-2.
(a)
(b)
NOTE:
The shave plate on select units (shown
in Figure 4-3) have a wear edge that can be
adjusted forward to prolong its life. As the
shave plate wears, it can be moved into a
second position.
To move adjustable shave plate (if equipped):
1. Allow engine to run until it is out of fuel.
Do not attempt to pour fuel from the
engine.
2. Carefully pivot unit up and forward so
that it rests on auger housing.
3. Loosen rear skid shoe bolts (a) on both
sides of equipment housing and remove
carriage bolts and hex nuts which attach
shave plate to auger housing.
See Figure 4-3.
4. Slide shave plate downward into second
position. Reinstall and tighten all bolts
securely. See Figure 4-3.
(c)
(b)
(b)
Figure 4-2
(a)
(a)
Figure 4-3
Lubrication
Gear Shaft
The gear (hex) shaft should be lubricated at
least once a season or after every twenty-five
(25) hours of operation.
1. Allow engine to run until it is out of fuel.
2. Carefully pivot unit up and forward so
that it rests on auger housing.
3. Remove frame cover from underside of
unit by removing self-tapping screws (a)
which secure it. Refer to Figure 4-4.
(a)
(a)
(a)
(a)
Figure 4-4
4. Apply a light coating of Bostik Regular
Grade Never-Seez® to hex shaft.
See Figure 4-5.
Figure 4-5
NOTE:
When lubricating hex shaft, be careful
not to get any lubricant on aluminum drive
plate or rubber friction wheel. Doing so will
hinder unit's drive system. Wipe off any excess
or spilled lubricant .
Wheels
At least once a season, remove both wheels.
Clean and coat axles with a multipurpose
automotive grease before reinstalling wheels.
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