Operating Mower - Gravely Pro-Master 252 Owner's/Operator's Manual

8. Check Radiator Screen (992215,
216)
Check radiator screen for debris see
Maintenance Schedule on page 20 and refer
to Engine Manual for detailed instructions.
STOPPING IN AN EMERGENCY
WARNING: Operating unit on
slopes may lead to loss of steering
control. When operating on slopes
be prepared to react to an
emergency situation.
1. Return steering levers to neutral position
2. Immediately set parking brake
3. Turn off PTO and engine
STARTING AND
SHUTTING OFF ENGINE
NOTE: DO NOT operate starter more than 15
seconds per minute, as overheating and
damage can occur. If engine will not start, see
Troubleshooting on page 35 or refer to
Engine Manual.
NOTE: The engine will not start unless the
steering control levers are in the neutral
position, the PTO switch is in the off position,
and parking brake is engaged.
NOTE: If unit runs out of fuel on diesel
models (992215, 216), the engine must be
primed prior to starting the engine. Refer to
Engine Manual for detailed instructions.
To Start Gas Units (922210, 212, 213,
217):
1. Insert ignition key.
2. Move choke
control to the on
position.
3. Move the throttle to
3/4 fast position.
4. Turn ignition key to
Start (3) position.
NOTE: If engine does not start in five
seconds, release ignition key, wait, and then
repeat. Once engine has started, ignition key
will return to the Run (2) position.
5. Move the choke control to the off
position when engine has warmed up.
To Start Diesel Units (992215, 216):
NOTE: If engine does not start in five
seconds, release ignition key, wait, and then
repeat. Once engine has started, release
ignition key and ignition key will return to the
Run (2) position.
To shut off:

OPERATING MOWER

IMPORTANT: Never engage the PTO if the
mower is plugged with grass or other
material.
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PARKING THE UNIT
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GB - 18
1. Insert ignition key.
2. Move the throttle to
3/4 fast position.
3. Turn ignition key to
Run (2) position.
The glow plug light
will come on for
approximately 5
seconds.
4. When glow plug light goes out, turn
ignition key Start (3) position.
1. Disengage PTO.
2. Set parking brake.
3. Turn ignition key to Off (1) position.
1. Start engine.
2. Move throttle lever to 3/4 to full speed.
3. Engage PTO to engage mower blades.
4. Move throttle lever to fast.
5. Release parking brake.
WARNING: Move the steering
control levers slowly and keep the
throttle control lever at slow speed
until you learn how to operate the
unit.
6. Use steering levers to move the unit.
7. Disengage PTO to stop mower blades.
1. Move steering levers to the neutral
position. Shut off PTO.
2. Move throttle lever to the slow position.
3. Engage parking brake.
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