Maintenance Schedule - Gravely pro-turn 460 diesel 992236 Operator's Manual

MAINTENANCE SCHEDULE

WARNING: AVOID INJURY.
Read and understand entire
Safety section before proceeding.
Period Service
Check Safety Interlock
Check Parking Brake
Interlock System
Check Hydraulic Fluid
Each Use
Check Tires
Clean Unit
Each Use
Follow Engine Manual
Maintenance Schedule
Check Cooling System
Check Mower Blades
Every 25
Hours
Proper maintenance can prolong the life of
unit. The following charts show the
recommended service schedule. More
frequent service may be required due to
extreme working conditions (heavy loads,
high ambient temperatures, dusty conditions,
or airborne debris).
See the maintenance instructions in the
Engine Manual for additional information.
Task
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.
See Parking Brake Interlock System on page 17.
Check hydraulic oil level mark on expansion tank. Add
15W-50 synthetic motor oil (Gravely p/n 00057100) or
equivalent as needed. Do not overfill. See Check
Hydraulic Fluid Level on page 28.
See Specifications on page 47 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.
Clean engine, battery, seat, mower deck, etc. of dirt
and debris. Do not use solvents, hard cleaners, or
abrasives.
NOTICE: Protect painted surfaces with automotive
type wax.
IMPORTANT: Do not spray the unit with water,
especially when the unit is warm from operation.
Water can seep into bearings and damage them.
Perform scheduled engine maintenance. Refer to
engine manual for detailed instructions.
IMPORTANT: To avoid damaging the radiator, DO
NOT USE high-pressure water to clean the radiator.
Check cooling system for dirt and debris in radiator
screen, oil cooler, hoses, fan, etc. Refer to Engine
Manual for detailed instructions.
Check mower blades for wear. Sharpen or replace as
needed. See COOLING SYSTEM on page 30.
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