143H and 163H Motor Graders Caterpillar

Note: All safety information, warnings, and instructions must be read and understood before you perform any operation or any maintenance procedure.

Before each consecutive interval is performed, all of the maintenance requirements from the previous interval must also be performed.

When Required

All Wheel Drive Accumulator - Check
All Wheel Drive Motor Supply Hose - Inspect/Replace
Blade Cushion Accumulator - Check
Blade Lift Cylinder Socket - Check/Adjust/Replace
Centershift Cylinder Socket - Check/Adjust/Replace
Circle Clearances - Check/Adjust
Circle Drive Oil Level - Check
Circuit Breakers - Reset
Cutting Edges and End Bits - Inspect/Replace
Drawbar Ball and Socket End Play - Check/Adjust
Engine Air Filter Primary Element - Clean/Replace
Engine Air Filter Secondary Element - Replace
Engine Air Filter Service Indicator Screen - Check/Replace
Engine Air Precleaner - Clean
Engine Overheating
Engine Power Loss
Ether Starting Aid Cylinder - Replace
Evaporator Coil and Heater Coil - Clean
Fuses - Replace
Moldboard Wear Strip - Inspect/Adjust/Replace
Oil Filter - Inspect
Ripper Tip - Inspect/Replace
Scarifier Teeth - Inspect/Replace
Seat - Inspect
Seat Belt - Inspect
Steering Accumulator - Check
Window Washer Reservoir - Fill
Window Wiper - Inspect/Replace

Every 10 Service Hours or Daily

Air Tank Moisture and Sediment - Drain
Backup Alarm - Test
Brakes, Indicators and Gauges - Test
Circle Drive Pinion Teeth - Lubricate
Circle Top - Lubricate
Cooling System Level - Check
Engine Air Filter Service Indicator - Inspect
Engine Oil Level - Check
Fuel Tank Water and Sediment - Drain
Walk-Around Inspection
Windows - Clean

Every 50 Service Hours or Weekly

Articulation Bearings - Lubricate
Axle Oscillation Bearings - Lubricate
Cab Air Filter - Clean/Replace
Centershift Lock Bar - Clean/Lubricate
Drawbar Ball and Socket - Lubricate
Hydraulic System Oil Level - Check
Kingpin Bearings - Lubricate
Ripper Cylinder Bearings - Lubricate
Scarifier Lift Link Socket - Lubricate
Tire Inflation - Check
Wheel Lean Bar Bearings - Lubricate
Wheel Lean Bearings - Lubricate
Wheel Lean Cylinder Bearings - Lubricate

Initial 250 Service Hours

Engine Valve Lash - Check

Every 250 Service Hours or Monthly

Air Dryer - Check
Battery - Recycle
Battery Electrolyte Level - Check
Blade Lift Cylinder Socket - Lubricate
Braking System - Test
Centershift Cylinder Socket - Lubricate
Cooling System Coolant Additive (DEAC) - Add
Engine Air Filter Service Indicator - Inspect/Replace
Engine Oil Sample - Obtain
Engine Oil and Filter - Change
Hydraulic System Oil Sample - Obtain
Parking Brake - Drain
Radiator - Clean
Tandem Drive Oil Level - Check
Tandem Drive Oil Sample - Obtain
Transmission and Differential Oil Level - Check
Transmission and Differential Oil Sample - Obtain
V-Belts - Inspect/Adjust/Replace
Wheel Bearing Oil Level (Front) - Check

Every 500 Service Hours or 3 Months

All Wheel Drive Oil Filter - Replace
Articulation Bearings - Lubricate
Engine Crankcase Breather - Clean
Fuel System - Prime
Fuel System Primary Filter - Clean/Inspect/Replace
Fuel System Secondary Filter - Replace
Fuel Tank Cap and Strainer - Clean
Hydraulic System Oil Filter - Replace
Pump Drive Shaft - Lubricate
Transmission and Differential Oil Filter and Screens - Replace/Clean

Every 1000 Service Hours or 6 Months

Air Dryer Desiccant - Replace
Cooling System Pressure Cap - Clean/Replace
Rollover Protective Structure (ROPS) - Inspect
Transmission and Differential Oil - Change

Every 2000 Service Hours or 1 Year

Air Conditioner - Test
Battery, Battery Cable or Battery Disconnect Switch - Replace
Circle Drive Oil - Change
Condenser (Refrigerant) - Clean
Engine Valve Lash - Check
Engine Valve Rotators - Inspect
Evaporator Coil and Heater Coil - Clean
Final Drive Preload - Check
In-Line Refrigerant Dryer - Replace
Radiator Core - Clean
Tandem Drive Oil - Change

Every 3000 Service Hours or 2 Years

Cooling System Coolant (DEAC) - Change
Cooling System Coolant Extender (ELC) - Add
Cooling System Water Temperature Regulator - Replace

Every 4000 Service Hours

Hydraulic System Oil - Change

Every 6000 Service Hours or 6 Years

Cooling System Coolant (ELC) - Change