GB - 16
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 18) and the hood
opened (see MOWER DECK REMOVAL
AND INSTALLATION on page 18).
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 13).
Check
Parking
Brake
Engage parking brake and engage transmission bypass lever (see
MOVING UNIT MANUALLY on page 15). 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 29 for correct tire pressure.
CAUTION: Avoid injury! Explosive separation of tire and rim
parts is possible when they are serviced incorrectly:
•Do not attempt to mount a tire without the proper equipment
and experience to perform the job.
• Do not inflate the tires above the recommended pressure.
• Do not weld or heat a wheel and tire assembly. Heat can cause
an increase in air pressure resulting in an explosion. Welding
can structurally weaken or deform the wheel.
• Do not stand in front or over the tire assembly when inflating.
Use a clip-on chuck and extension hose long enough to allow
you to stand to one side.
Check
Mower
Blades
Check for worn or damaged mower blades (see SHARPENING
MOWER BLADE on page 21).
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