Yard Machines 615, Operator'S Manual

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16
Figure 23
7. Unhook the support bracket spring from the
frame.
NOTE:
It may be necessary to loosen the six nuts
that connect the frame to the auger housing to aid in
belt removal.
8. Lift the rear auger belt from the auger pulley,
and slip belt between the support bracket and
the auger pulley. See Figure 23. Repeat this
step for the front auger belt.
9. Replace both auger drive belts by following
instructions in reverse order.
Figure 24
DRIVE BELT
1. Follow steps 1 through 4 of previous
instructions.
2. Pull idler pulley up, and lift belt off engine pulley
and friction wheel disc. See Figure 23.
3. Using a 7/16" wrench, loosen the nut on the
stop bolt until the support bracket rests on the
auger pulley. See Figure 25.
4. Slip belt between friction wheel and friction
wheel disc. See Figure 25. Remove and replace
belt. Reassemble following the instructions in
reverse order.
NOTE:
The support bracket must rest on the stop
bolt after the new belt has been assembled. See
Figure 25.
Figure 25
CHANGING THE 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 7/8’’ wrench to hold the shaft, loosen,
but do not completely remove, the hex nut and
bell washer on the left end of gear shaft. See
Figure 26.
6. Lightly tap the hex nut to dislodge the ball
bearing from the right side of the frame.
Remove the hex nut and bell washer from the
left end of shaft.
Rear Auger
Belt
Drive
Engine
Pulley
Belt
Front
Auger
Belt
Idler
Pulley
Engine
Pulley
Idler
Pulley
Pin
Friction Wheel
Assembly
Frame
Auger
Belt
Auger
Pulley
Idler
Spring
Auger
Housing
Support
Bracket
Spring
Support
Bracket
Gear
Shaft
Friction
Wheel
Disc
Stop
Bolt
Support Bracket
Drive Belt
Friction Wheel