Throttle Control; Choke Control - Yard Machines 668 Operator's Manual

Transmatic lawn tractors
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SECTION
6: CONTROLS
IGNITION
SWITCH
The ignition switch is located on the dashboard.
Turn the key to the START
position to start the
engine. When the engine is running, leave the key
in the ON position. To stop the engine, turn the key
to the OFF position. See Figure 12.
_,
WARNING:
Remove
key from
the
tractor when
tractor is not in use to
prevent accidental starting.
THROTTLE CONTROL
The throttle control is located on the left side of the
dashboard and is used to regulate the engine
speed,
See
Figure
12.
The
engine should be
operated at full throttle (FAST) when operating any
equipment that uses the tractor engine as a source
of power such as the mowing deck or snow thrower
attachment.
Light
Switch
Choke
Clutch-Bra|
Shift Lever
Figure 12
CHOKE CONTROL
The choke control is located on the left side of the
dashboard and is operated manually. Details for the
choke operation are covered in the separate engine
manual packed with your unit. See Figure 12.
LIGHT SWITCH
(Optional)
The head lamps are operated by pushing the light
switch located on the dashboard. The head lamps
will only operate when the engine is running. See
Figure 12.
AMMETER
(Optional)
The ammeter registers the rate of battery charge or
discharge. The ammeter will register on the discharg-
ing side with starting the engine. It should register on
the opposite side (charging) when the engine is run-
ning in the fast position until the battery is completely
charged. With a fully charged battery or with the
engine idling, the ammeter will not show a charge.
See Figure 12.
SHIFT LEVER
The shift lover is located in the center of the console
and
has three
positions,
FORWARD,
NEUTRAL
and REVERSE.
See Figure
12. The clutch-brake
pedal must be depressed
and the lawn tractor must
not be moving when shifting gears. Do not force the
shift lever, Release the clutch-brake
pedal slightly to
line up the shifting collar in the transmission.
Then
try to shift gears.
SPEED CONTROL
LEVER
The speed control lever is located either on the con-
sole or on the right fender, See Figure 13. The speed
control lever allows you to regulate the ground speed
of the lawn tractor. To select the ground speed,
depress clutch pedal. Move speed control lever out of
the notches and backward to slow lawn tractor, for-
ward to increase speed. When desired speed has
been obtained, release lever in that position. When-
ever clutch is released, unit will automatically go to
the pre-set speed.
Speed
\_, ,.,\
Control
_ \I_
Lever
_. ...........
_.--..,_, \
I
Speed
Shift
Control
Lever
Lever
Figure 13
CLUTCH-BRAKE
PEDAL
The clutch-brake pedal is located on the left side of
the lawn tractor. Depressing the clutch-brake pedal
part way disengages the clutch. Pressing the pedal
all the way down disengages the clutch and engages
the disc brake. See Figure 12.
NOTE:
The clutch-brake pedal must be depressed
to start the engine.
12

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