Gravely Promaster 160 Owner's/Operator's Manual page 14

Interval Task
Check Safety Interlock System
Check Parking Brake
Each
Use
Check Hydraulic Oil Level
Check Tires
Clean Unit
Follow Engine Maintenance Schedule
Check Mower Blades
Every 25
Hours
Every 50 Lubricate Front Axle and Pivot Points
Hours
Clean Battery
Check Fasteners
Every
Check All Belts
100
Hours
Every Grease Front Axle Castor Pivots
400
Hours
Every Change Hydraulic Oil and Filter
500
Hours
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 10.
Engage parking brake. Push unit. If unit rolls, adjust parking
brake (see PARKING BRAKE ADJUSTMENT on page 19).
See Check Hydraulic Fluid Level on page 15.
See SPECIFICATIONS on page 27 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 – 125 lbf-ft.
(156 – 169 N•m). Check mower blades for wear. Sharpen or
replace mower blades as needed (see Sharpen the Mower
Blades on page 16).
Oil all pivot points, pin connections, and apply grease to front
axle grease zerk (see LUBRICATE UNIT on page 17).
Keep battery and battery terminals clean (see Clean Battery on
page 17).
Check mower blade mounting hardware and all other fasteners.
Replace missing or damaged fasteners. Tighten all nuts and
bolts to their correct torque value.
Replace worn or deteriorated belts.
• Check mower drive belt. See Replacing Mower Belts on
page 20 for belt location.
• Check PTO belt. See Replacing Mower Belts on page 20
for belt location.
• Check transmission belt. See Replacing the Hydro Pump
Belt on page 20 for belt location.
Repack front axle castor pivots (see LUBRICATE UNIT on
page 17).
See Change Hydraulic Fluid and Filter on page 15.
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