General Maintenance & Adjustments; Maintenance Schedule - Gravely Promaster 260Z Service Manual

GENERAL MAINTENANCE & ADJUSTMENTS

MAINTENANCE SCHEDULE

WARNING: AVOID INJURY. Read and
understand the entire Safety section before
proceeding.
Interval Task
Check Safety Interlock
Check Parking Brake
Interlock System
Check Parking Brake
Check Hydraulic Oil Level
Each Use
Check Tires
Clean Unit
Follow Engine Manual
Maintenance Schedule
Check Cooling System
Every 25 Check Mower Blades
Hours
Every 50 Lubricate Front Axle and
Hours
Pivot Points
Clean Battery
Check Fasteners
Check Belts
Every
100
Hours
Every Change Coolant (992073,
200 074)
Hours
Proper maintenance can prolong the life of unit. The
following chart shows 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 Engine Manual for
additional information.
WARNING:
Safety interlock system failure and improper operation of
unit can result in death or serious injury. Test this system each time 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).
See Parking Brake Interlock System on page 11.
Engage parking brake. Push unit. If unit rolls adjust parking brake (see Parking
Brake Adjustment on page 25).
See Checking Hydraulic Oil Level on page 30.
See Specifications on page 12 for correct tire pressure.
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.
Perform scheduled engine maintenance. Refer to Engine Manual for detailed
instructions.
IMPORTANT:
Do not use high-pressure water to clean radiator. High-pressure
water will damage radiator.
Check cooling system for dirt and debris in radiator screen, hoses, fan, etc. Refer
to Engine Manual for detailed instructions.
Ensure mower blade hardware is tightened to 115 – 125 lbf-ft. (156 – 169 Nm).
Check mower blades for wear, Sharpen or replace mower blades as needed (see
Sharpening Mower Blade on page 19).
Oil all pivot points, pin connections and apply grease to front axle grease zerk (see
General Lubrication on page 19).
Keep battery and battery terminals clean (see Cleaning the Battery on page 19).
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 Mower Drive Belt Removal on page21 for mower
drive belt location).
• Check PTO belt (see PTO Belt Removal on page 21 for PTO belt location).
• Check transmission belt (see Transmission Belt Removal on pag
transmission belt location).
• Check radiator fan belt (refer to Engine Manual).
See Changing Coolant on page 28.
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