Gravely Pro-Turn 152 CARB Owner's/Operator's Manual page 23

Period Service
Check Mower Blades
Every
25 Hours
Check Air FIlter
Every Lubricate Unit
50 Hours
Check Brake Gap
Clean Battery
Clean engine cooling
system
Every
100 Hours
Check Fasteners
Check Belts
Change Hydraulic
Every 400
Hours
Fluid and Filter
Lubricate Caster Fork
Bearings
Lubricate Caster
Wheel Bearings
Every 500
Hours
*
Change hydraulic fluid and filter after first 75 hours of operation.
Task
Check mower blades for wear. Sharpen or replace as
needed. See Mower Blades on page 26.
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 30.
Keep battery and its terminals clean. See Clean
Battery on page 27
Every 100 hours of operation, check and clean the
cooling fins and inside the engine shrouds to remove
grass, chaff or dirt clogging the cooling system and
causing overheating.
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 30 and on page 32.
Drain hydraulic fluid tank, replace hydraulic oil filter,
* refill system. See Hydraulic Fluid 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
.