Yard-Man 31AE633E401 Operator's Manual page 16

Snow thrower shown resting on its auger housing; wheels not shown for clarity.
Figure 24
• Lightly tap the hex nut to dislodge the ball bearing
from the right side of frame before removing the hex
nut and bell washer from left end of shaft.
• Move the gear shaft to the right and slide the friction
wheel assembly from the shaft.
• Remove the six screws from the friction wheel
assembly (three from each side). Remove the
friction wheel rubber from between the friction
wheel plates. See Figure 25.
Screws
Friction Wheel Rubber
Friction Wheel Plates
Figure 25
• Reassemble new friction wheel rubber to the
friction wheel plates and hub, tightening the six
screws in rotation and with equal force.
SECTION 8: OFF-SEASON STORAGE
WARNING:
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.
• If unit is to be stored over 30 days, prepare engine
for storage as instructed in the engine manual.
Hex Nut /
Bell Washer
Hub
Screws
Never store engine with fuel in
• 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.
NOTE: If you placed plastic film under the gas cap, be
certain to remove it.
Augers
The augers are secured to the spiral shaft with two
shear bolts and hex lock nuts. See Figure 26. If you hit
a foreign object or ice jam, the snow thrower is
designed so that the bolts may shear.
If the augers do not turn, check if the bolts have
sheared. Two replacement shear bolts and hex lock
nuts have been provided with the snow thrower. Refer
to Loose Parts on page 5. For future use, order kit
number OEM-710-0890.
NEVER replace the auger shear bolts with
IMPORTANT:
standard hex bolts. Any damage to the auger gearbox
or other components, as a result of doing so, will NOT
be coved by your snow thrower's warranty.
Engine
• Refer to the engine manual for all engine related
service procedures.
• Remove all debris from the exterior of equipment.
• Follow lubrication recommendations on page 13.
• Always store the snow thrower in a clean, dry area.
NOTE: When storing any type of power equipment in
an unventilated 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.
16
Shear Bolts
Figure 26