GB - 13
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.
IMPORTANT: Proper maintenance can
prolong the life of unit. The following chart
shows the recommended service schedule.
Refer to the maintenance instructions in the
Engine Manual for additional information.
NOTE: To have full access to the engine, the
seat must be tipped forward (see TIPPING
SEAT FORWARD on page 14) and the hood
opened (see on page 15).
MAINTENANCE SCHEDULE
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
Interval Task Action
Each Use
Check Safety
Interlock
System
WARNING: Safety interlock system failure and
improper operation of unit can result in death or
serious injury. Test this system each time the unit is
operated. If this system does not function as
described, do not operate until repairs are made (see
Safety Interlock System on page 9).
Check
Parking
Brake
Engage parking brake and engage transmission bypass lever
(see on page 13). Push unit. If unit rolls, contact your Gravely
Dealer.
Clean Unit Clean engine, battery, seat, mower deck, etc. of all dirt and
debris. Do not use solvents, hard cleaners, or abrasives.
NOTE: Protect painted surfaces with automotive type wax.
Check Tires See SPECIFICATIONS on page 26 for correct tire pressure.
Check
Mower
Blades
Check for worn or damaged mower blades (see SHARPENING
MOWER BLADE on page 17).
Each Use
Follow
Engine
Manual
Maintenance
Schedule
Perform scheduled
engine maintenance.
Refer to Engine
Manual for detailed
instructions.
NOTE: To drain the
oil, use the oil drain
petcock (1) supplied
with unit, not the
drain plug that is
shown in the Engine
Manual.
1
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