Maintenance schedule – Gravely Promaster 992066 User Manual
Page 14
GB - 14
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
3. Turn right and left bypass valve levers counter
clockwise 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.
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.
NOTE: Use Figure 6 for maintenance item locations.
WARNING: Do not bypass transmission when
on a slope.
Figure 5
1. Left Bypass
Valve Lever
2. Right Bypass
Valve Lever
Front of unit
OF3530
MAINTENANCE SCHEDULE
WARNING: AVOID INJURY. Read and
understand entire Safety section before
proceeding.