Maintenance Schedule - Gravely Promaster 144 Owner's/Operator's Manual

WARNING: AVOID INJURY.
Read and understand entire
Safety section before proceeding.
Interval Task
Check Safety Interlock
System
Check Parking Brake
Each
Check Hydraulic Oil Level
Use
Check Tires
Clean Unit
Follow Engine Maintenance
Schedule
Check Mower Blades
Every
25
Hours
Lubricate Front Axle and
Every
50 Pivot Points
Hours

MAINTENANCE SCHEDULE

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.
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 11.
Engage parking brake. Push unit. If unit rolls,
adjust parking brake (see PARKING BRAKE
ADJUSTMENT on page 23).
See Check Hydraulic Fluid Level on page 18.
See SPECIFICATIONS on page 32 for correct
tire pressure.
Clean engine, battery, seat, mower deck, etc.
of dirt and debris. Do not use solvents, hard
cleaners, or abrasives.
NOTE: Protect painted surfaces with
automotive type wax.
Perform scheduled engine maintenance. Refer
to Engine Manual for detailed instructions.
Ensure mower blade hardware is tightened to
115 – 160 lbf-ft. (156 – 217 N•m). Check
mower blades for wear. Sharpen or replace
mower blades as needed (see Sharpen the
Mower Blades on page 19).
Oil all pivot points, pin connections, and apply
grease to front axle grease zerk (see
LUBRICATE UNIT on page 21).
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