Gravely 992077 19HP PM144Z Lawn Mower User Manual


 
GB - 15
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 17).
3. Turn right and left bypass valve levers
counterclockwise 1/2 turn (Figure 5).
4. Disengage parking brake.
5. Push unit to desired location.
6. Engage parking brake.
7. Turn bypass valve levers clockwise 1/2 turn.
TRANSPORTING UNIT
ALWAYS shut off engine, set parking brake, and remove key
when transporting unit on a truck or trailer. Tie unit down
securely. Do not tie down by linkages, guards, cables or
other parts that may be damaged.
FOR BEST PERFORMANCE
Cut grass when it is dry.
Keep mower blades sharp.
Keep mower deck properly leveled.
Adjust anti-scalp rollers to prevent scalping.
Do not set height of cut too low. For very tall grass, mow
twice.
Do not travel too fast.
Mow with the engine set at full throttle.
When mulching, only remove 1/3 of grass length per cutting.
Discharge clippings into areas already cut.
Vary cutting pattern with each mowing.
Do not allow grass or debris to collect inside of mower deck.
Clean after each use.
Proper maintenance can prolong the life of unit. The
following charts show the recommended service schedule.
More frequent service may be required due to working
conditions (heavy loads, high ambient temperatures, dusty
conditions, or airborne debris).
See the maintenance instructions in the Engine Manual for
additional information.
WARNING: Do not bypass transmission when on a
slope.
Figure 5
1. Left Bypass Valve Lever
2. Right Bypass Valve Lever
Front of unit
2
1
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MAINTENANCE SCHEDULE
WARNING: AVOID INJURY. Read and understand
entire Safety section before proceeding.