Gravely Pro-Master 260 Owner's/Operator's Manual page 23

Interval Task
Lubricate Front
Every 50
Axle and Pivot
Hours
Points
Clean Battery
Check
Fasteners
Check All Belts
Every 100
Hours
Change
Every 400
Hydraulic Oil
Hours
and Filter*
Grease Front
Axle Caster
Pivots
Lubricate Caster
Fork Bearings
Every 500
Lubricate Caster
Hours
Wheel Bearings
*Change hydraulic fluid and filter after the first 75 hours of operation and then every 400 hours.
Action
Oil all pivot points, pin connections, and apply grease to front
axle grease zerk. See below.
Keep battery and battery terminals clean (see Cleaning the
Battery on page 25).
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 on
page 31 for belt location.
• Check PTO belt. See PTO Belt on page 29 for belt
location.
• Check transmission belt. See Transmission Belt on
page 32 for belt location.
See Changing Hydraulic Oil and Filter on page 36.
Repack front axle caster pivots (see Servicing The Battery on
page 24).
1. Shut off unit, wait for all moving parts to stop, remove key
and engage parking brake.
2. Remove grease cap.
3. Remove plug and install grease fitting.
4. Apply grease to the fitting until new grease appears at the
top of the upper bearing.
5. Remove the grease fitting and reinstall the plug.
6. Reinstall the grease cap.
1. Shut off unit, wait for all moving parts to stop, remove key
and engage parking brake.
2. Remove wheel from fork.
3. Remove end caps from wheel hub.
4. Apply grease through fitting until grease squeezes through
the seal in the wheel hub.
5. Wipe off excess grease.
6. Reinstall end caps onto hub.
7. Reinstall wheel info fork. After tightening bolt, tire should
not have any side-to-side play. Tighten bolt until there is a
slight amount of drag on the wheel bearing. The wheel
should not freewheel when spun.
EN - 23