Gravely 988117 - HR1536FX - Manual (Page 14)

GB - 14
TO OPERATE UNIT
Operate the unit only in the operator’s position directly
behind the handlebars.
988105, 106, 107, 108, 109, 113
To operate:
1. Start the engine (See Starting and Shut Off on
page 13).
2. Move the throttle lever to the Fast position.
3. Engage operator presence control.
4. Release the parking brake.
5. Set speed control levers to desired speed.
6. Hold steering levers in neutral and release
steering latch levers.
• To move straight forward; slowly release both
steering levers to the full outward position.
• To stop unit in neutral, hold levers in the neutral
position.
• To lock unit in neutral, engage both steering
latches.
• To turn to the left, pull the left hand lever up.
• To turn to the right, pull the right hand lever up.
• To move in reverse, pull both steering levers up,
past the neutral position. Pulling the levers farther
up increases reverse speed.
To mow:
1. Engage operator presence control.
2. Move the speed control levers to the neutral
position.
3. Lock steering levers in neutral.
4. Move the throttle lever to the fast position.
NOTE: Operator presence control must remain
engaged.
5. Move the PTO switch to On to engage mower.
IMPORTANT: NEVER engage the PTO if the mower is
plugged with grass or other material. This will damage
the PTO belt.
6. Move the speed control levers to set a slow
ground speed.
7. Hold steering levers in neutral and release
latches.
8. Release steering levers slowly.
When you know how to operate the unit, select a speed
appropriate to your mowing conditions.
To stop mowing:
1. Lock the steering levers in neutral.
WARNING: AVOID INJURY. When the
engine is running and the speed control
lever is engaged, holding only one steering
lever in neutral causes the unit to circle
sharply around one drive wheel.
WARNING: AVOID INJURY. When the
engine is running and the speed control
levers are engaged, releasing only one
steering latch causes the unit to circle
around one drive wheel.
ALWAYS hold both steering levers in the
neutral position when releasing the steering
lever latches.
ALWAYS release levers slowly.
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WARNING: Uncontrolled reverse travel can
result in serious injury.
Do not put steering levers into the reverse
position unless you are prepared to operate
in reverse. Speed control levers do not
control reverse. Unit will move rearward with
speed control levers in neutral.
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