Gravely Pro-Stance 48, Owner'S/Operator'S Manual

Page: 22 / 46

EN - 22
Every 50
Hours
Check Air FIlter Check air filter for dirt. Clean as required. Follow
Engine Manual for maintenance schedule.
Lubricate Unit Oil all pivot points and pin connections. Grease lube
fittings.
Check Parking Brake Adjust if necessary. See Parking Brake Adjustment on
page 29.
Every
100
Hours
Clean Battery Keep battery and its terminals clean. See Clean
Battery on page 27.
Clean engine cooling
system Check and clean cooling fins and inside the engine
shrouds to remove grass, chaff or dirt.
Check Fasteners Check mower blade mounting hardware and all other
fasteners. Replace missing or damaged fasteners.
Tighten all nuts and bolts to their correct torque value.
Check Belts Replace worn or deteriorated belts. See Replacing
Mower Belts on page 30 and See Replacing the Hydro
Pump Belt on page 31.
Every
400
Hours
Change Hydraulic Fluid
and Filter
*
Drain hydraulic fluid tank, replace hydraulic oil filter,
refill system. See
Add Hydraulic Fluid on page 24.
Lubricate Caster Fork
Bearings 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.
Lubricate Caster Wheel
Bearings 7. Shut off unit, wait for all moving parts to stop,
remove key and engage parking brake.
8. Apply grease through fitting until grease squeezes
through the seal in the wheel hub.
*
Change hydraulic fluid and filter after first 75 hours of operation.
Period Service Task