Gravely 990018, 990020 Owner's/Operator's Manual page 14

STOPPING IN AN EMERGENCY
The unit can be stopped immediately at any time by
turning the ignition key to the "Off" position.
STARTING AND SHUT OFF
CAUTION: Read entire Owner/Operator
Manual, Clutch Manual, and Engine Manual first.
DO NOT attempt to start engine at this time.
To start the engine:
1. Make sure the steering levers are in neutral.
2. Put the PTO switch in the "Off" position.
3. Engage parking brake.
4. If the engine is cold, move the choke control to the
"On" position. If the engine is warm or hot, do not
use choke.
5. Move the throttle to 3/4 "Fast" position. See Engine
Manual for detailed instructions.
6. Put the ignition key in the switch and turn it to the
"Start" position.
7. As soon as the engine starts, release the key.
8. Move the choke control to the "Off" position from
the "Choke" position. Wait until the engine is
running smoothly before operation.
To stop the engine:
1. Bring the steering levers to neutral. Disengage the
PTO and engage the parking brake.
2. Move the throttle lever to the "Slow" position.
3. Turn the ignition key to the "Off" position.
TO MOW WITH UNIT
Operate the unit only when seated in the operator's
position.
1. Start the engine. Let the engine warm until it is
running smoothly.
2. 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.
3. Bring the steering levers to neutral.
4. Slow the engine down to about 3/4 speed.
5. Turn ON the PTO switch to engage the mower.
IMPORTANT: Never engage the PTO if the mower is
plugged with grass or other material. This may cause
damage to the electric clutch.
6. Move throttle control to fast.
7. Move the steering levers forward to obtain a slow
ground speed.
8. To disengage the mower, move the PTO switch to
the "Off" position.
9. When you know how to operate the unit, select a
speed appropriate to your mowing conditions.
PARKING
To park the unit:
1. Bring the steering levers to neutral. Turn off PTO.
2. Move the throttle lever to the "Slow" position.
3. Engage the parking brake.
4. Lower the attachment.
5. Turn the ignition key to the "Off" position and
remove the key.
MOVING THE UNIT WITH THE ENGINE OFF
IMPORTANT: Never tow unit.
1. Shut OFF engine.
2. Place seat in the service position (See Service
Position on page 16).
3. Turn right and left bypass valve levers
counterclockwise 1/2 turn (Figure 5).
WARNING: Do not bypass transmission when
on a slope.
4. Disengage parking brake.
5. Push unit to desired location.
6. Engage parking brake.
7. Turn bypass valve levers clockwise 1/2 turn.
2
1. Left Bypass Valve Lever
2. Right Bypass Valve Lever
GB - 14
1
Front of unit
Figure 5
OF3371