Maintenance Schedule - Gravely ZT 34 Operator's Manual

MAINTENANCE
SCHEDULE
WARNING: AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
Interval Task
Check
Safety
Interlock
System
Check
Parking
Brake
Clean
Unit
Each Use
Check
Tires
Check
Mower
Blades
Follow
Engine
Manual
Mainten-
ance
Each Use Schedule
Action
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 16.
Engage parking brake and engage transmission bypass lever. See
Moving Unit Manually on page 20. Push unit. If unit rolls, contact your
Gravely dealer.
Clean engine, battery, seat, etc. of all dirt and debris. Do not use
solvents, hard cleaners, or abrasives. For deck cleaning instructions,
see Washout Port on page 17.
NOTE: Protect painted surfaces with automotive type wax.
IMPORTANT: Do not spray the unit with water, especially when the
unit is warm from operation.
See Specifications on page 36 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 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 for worn or damaged mower blades. See Sharpening Mower
Blade on page 26.
Perform scheduled engine maintenance.
Refer to Engine Manual for detailed
instructions.
NOTICE: To drain the oil, remove oil
drain cap and attach the oil drain hose,
supplied in the lit pack, to the drain plug.
Rotate the drain to the left to allow oil to
drain. Turn the drain to the right to close.
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.
NOTICE: To have full access to the engine,
the seat must be tipped forward (see Tipping
Seat Forward on page 23) and the hood
opened (see Mower Deck Removal and
Installation on page 23).
EN - 21
Oil Drain Plug