Service Manual
CAUTION: Servicing the Power Shift Snowthrower will
require working with some of the moving parts. To
prevent accidental starting of the engine while
performing service, take the following precautions:
Rotate the Ignition key to
off
and remove.
Pull the wire
off
the spark plug.
Make sure the wire does not accidentally touch
the spark plug.
CAUTION: The Power Shift Snowthrower has the
feature of being able to be stood on the front housing
for service and storage. Always drain the fuel
from
the
tank prior to such service taking the following
precautions:
Drain
it
outdoors and make sure the engine is cool.
Wipe up any gasoline that may have spilled.
Do
not drain the gasoline near any open flame or
Do not smoke when handling gasoline.
spark.
CHUTE CONTROL
Chute Control Operation
The control for the discharge chute of the Toro Power
Shift Snowthrower was designed
so
that the chute
would turn
In
the same direction that the input knob was
rotated.
See
Figure
54.
Figure
54
The operator provides control input by turning the chute
control knob at the control panel. This rotation is
transmitted to the chute by means of a constant velocity
joint and
two
shafts. The final shaft turns a worm gear
which drives the teeth on the chute.
54
The chute rotates from extreme
left
to right through an
arc of
200
degrees in about six turns of the crank.
Chute Control Knob Removal
NOTE:
Do
not remove
the
knob unless necessary.
I.
To remove the knob, use a pocket knife to pry
off
the square knob cover.
See
Figure
55.
Figure
55
2.
Remove the push nut by drilling through the
two
tabs in the pushnut and prying
off.
3.
Remove the knob.
Chute Control Knob Installation
1.
Install the knob on the
rod,
recessed side
up.
2.
Press on a new pushnut using an
11
mm
(7/16'”)
socket.
3.
Reinstall the knob cover using a small amount of
clear silicone
if
necessary.
Chute Control Upper
Rod
Removal
1.
Remove the
roll
pin in the upper gear. See Figure
56.
NOTE: Do not remove the knob unless necessary.
2.
Pull the upper
rod
assembly out through the
control panel. Do not lose the rubber washer
above the gear.
3.
If desired, remove the upper
rod
bushing by
removing the
two
Phillips screws from beneath the
control panel.
Power Shift Snowthrowers