Gravely Pro-Turn 400 LP Operator's Manual page 29

Period Service
Check Air Filter
Every
Lubricate Unit
50 Hours
Check Brake Gap
Clean Battery
Clean Engine Cooling
System
Every 100
Check Fasteners
Hours
Check Belts
Change Hydraulic
Every 400
Fluid and Filter
Hours
Service Front Caster
Assemblies
Lubricate Caster Fork
Bearings
Lubricate Caster
Wheel Bearings
Every 500
Hours
Adjust Clutch
*
Change hydraulic fluid and filter after first 75 hours of operation.
**
Adjust clutch every 500 hours or once per season if used less than 500 hours.
Task
Check air filter for dirt. Clean as required. Follow Engine
Manual for maintenance schedule.
Oil all pivot points and pin connections. Grease lube
fittings. See below.
Adjust gap if necessary. See Adjusting the Parking
Brake on page 37.
Keep battery and its terminals clean. See Clean Battery
on page 32
Check and clean cooling fins and inside the engine
shrouds to remove grass, chaff or dirt.
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. See Replacing
Mower Belts on page 38 and Replacing the Hydro
Pump Belt on page 39.
Drain hydraulic fluid tank, replace hydraulic oil filter, refill
*
system. See Hydraulic Fluid on page 29.
Disassemble, clean, inspect and repack front caster
spindle assemblies.
1. Shut off unit, wait for all moving parts to stop,
remove key and engage parking brake.
2. Remove grease cap.
3. Apply grease to the fitting until new grease appears
at the top of the upper bearing.
4. 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 into 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.
**
1. See Clutch Adjustment on page 43.
EN - 27
.