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Two Stage Snowthrower Drive Systems Manual 2 - 3
Belts, Controls and Linkages
Replacing the Traction Belt — Lawn-Boy
Models 28230, 28231 and Toro Models
38051, 38052, 38054, 38056, 38062, 38063,
38064, 38072, 38073
When the traction drive belt becomes worn, stretched,
oil-soaked, or otherwise damaged, replace the belt.
1. Pull the wire off of the spark plug and ensure that
the wire does not contact the plug.
2. Drain the gasoline from fuel tank.
3. Remove the two screws that hold the belt cover in
place and set the cover aside (Figure 39).
Figure 39
661
4. Remove the auger/impeller drive belt from the
engine pulley and the large auger/impeller pulley
(Figure 40).
Figure 40
664
5. Tip the snowthrower forward and block it so it
cannot fall.
6. Remove the four screws that secure the bottom
cover to the frame and remove the cover
(Figure 41).
Figure 41
M-2592
7. Disconnect the spring from the notch in the bottom
edge of the side plate (Figure 42).
Figure 42
650
8. Set the snowthrower upright.
9. Loosen the belt guide (Figure 40).
10. Remove the traction drive belt from the engine
pulley and the large traction pulley (Figure 40).
1
.
B
e
lt
cover
2
.
S
crew
(2)
1
.
T
rac
ti
on
d
r
i
ve
b
e
lt
2. Auger/impeller
drive belt
3. Belt guide
4
.
Idl
er pu
ll
ey
5. Large auger/
impeller pulley
6. Engine pulley
1
.
S
crews
1
.
S
pr
i
ng
2. Notch in side plate
3
.
L
arge
t
rac
ti
on
pulley
CAUTION
! !
POTENTIAL HAZARD: The spring is under
heavy tension.
WHAT CAN HAPPEN: The spring could be
thrown in operator’s or bystander’s direction.
HOW TO AVOID THE HAZARD: Use caution
when removing the spring.