MTD E640F - Manual (Page 17)

17
Figure 28
CHANGING FRICTION WHEEL RUBBER
The rubber on the friction wheel is subject to wear and
should be checked after 25 hours of operation, and
periodically thereafter. Replace the friction wheel
rubber if any signs of wear or cracking are found.
1. Drain the gasoline from the snow thrower, or place
a piece of plastic under the gas cap.
2. Tip the snow thrower up and forward, so that it
rests on the housing.
3. Remove six self-tapping screws from the frame
cover underneath the snow thrower.
4. Remove the klick pins which secure the wheels,
and remove the wheels from the axle.
5. Using a 9/16" wrench to hold the shaft, loosen, but
do not completely remove, the hex nut and bell
washer on left end of gear shaft. See Figure 29.
6. Lightly tap the hex nut to dislodge the ball bearing
from the right side of frame. Remove the hex nut
and bell washer from left end of shaft.
7. Slide the gear shaft to the right and slide the fric-
tion wheel assembly from the shaft.
8. Remove the six screws from the friction wheel
assembly (three from each side). Remove the fric-
tion wheel rubber from between the friction wheel
plate.
9. Reassemble new friction wheel rubber to the
friction wheel assembly, tightening the six screws
in rotation and with equal force.
10. Position the friction wheel assembly up onto the
pin of the shift rod assembly, and slide the shaft
through the assembly. Reassemble in reverse
order.
Figure 29
SECTION 11: OFF-SEASON STORAGE
WARNING: Never store engine with
fuel in tank indoors or in poorly
ventilated areas, where fuel fumes may
reach an open flame, spark or pilot light
as on a furnace, water heater, clothes
dryer or other gas appliance.
1. If unit is to be stored over 30 days, prepare the
engine for storage as instructed in the separate
engine operator’s manual included with your unit.
carburetor.
2. Remove all dirt from exterior of engine and
equipment.
3. Follow lubrication recommendations on page 14.
NOTE: When storing any type of power equipment
in a poorly ventilated or metal storage shed, care
should be taken to rust proof the equipment. Using a
light oil or silicone, coat the equipment, especially any
chains, springs, bearings and cables.
Friction
Wheel
Disc
Stop
Bolt
Drive Belt
Friction Wheel
Support Bracket
Hex Nut
Bell Washer