EN - 14
PARKING BRAKE LEVER
See Figure 11.
Controls the parking brake. The engine will
not start with brake in the off position.
SAFETY INTERLOCK SYSTEM
Monitors the interaction of various unit
features for operator safety.
STEERING LEVERS
Control the direction and speed of unit. The
levers gradually return to neutral when
released and are locked in neutral when
parking brake is set.
IMPORTANT: All references to left, right, front
or rear are given from the perspective of
operator in operator’s position, facing the
direction of forward travel.
EMERGENCY STOPPING
1. Move steering levers to neutral position.
2. Set parking brake.
3. Push PTO knob down to off position.
4. Turn ignition key to off position and
remove key from ignition.
BEFORE OPERATING UNIT
1. Check fuel level and add fuel if needed.
IMPORTANT: Use fresh unleaded fuel with
an octane rating of at least 87. DO NOT use
E85 blended fuels; the engine is not E20 /
E30 / E85 compatible. The maximum
recommended ethanol content is 10%.
2. Check engine oil level and add oil if
needed. Refer to engine manual.
3. Check condition of air cleaner. Refer to
engine manual.
4. Check function of the Safety Interlock
System by performing the tests below.
Contact your Gravely dealer for repair if
any of the tests fail.
5. Set cutting height.
a. Depress and hold deck lift pedal in
forward position.
b. Put cutting height adjustment pin in
desired hole.
c. Slowly return deck lift pedal to resting
position.
START THE ENGINE
1. Push PTO knob down to off position.
2. Move steering levers to neutral position.
3. Set parking brake.
4. If engine is cold, pull choke knob up to on
position. If engine is warm or hot, turn
choke off.
5. Set throttle to slow speed.
6. Insert ignition key and turn to start
position. Release key when engine starts.
IMPORTANT: Do not operate the starter for
more than 10 seconds at a time. If the engine
does not start, allow a 60-second cool down
period between starting attempts.
7. If choke is on, wait a few seconds after
engine starts and then push choke knob
down to off position.
IMPORTANT: Make sure choke is completely
off. Engine will not run smoothly using partial
choke.
OPERATION
WARNING: AVOID INJURY.
Read and understand the Safety
section before proceeding.
Figure 11
Brake Released
(Off)
Brake Set
(On)
Test Steering
Levers
PTO Parking
Brake
Result
1 Neutral Off On Engine
starts.
2 Neutral On On Engine does
not start.
3 Neutral Off Off Engine does
not start.
4 *+ Out of
Neutral
Off Off Engine
stops.
5 *+ Neutral On On Engine
stops.
* Test with engine running.
+ Test when operator lifts off seat.
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