Maintenance Interval Schedule
Note: All safety information, warnings, and instructions must be read and understood before you perform any operation or any maintenance procedure.
Air Tank - Inspect
Battery - Recycle
Battery or Battery Cable - Inspect/Replace
Cab Air Filter - Clean/Replace
Circuit Breakers - Reset
Cooling System Relief Valve - Clean
Engine Air Filter Primary Element - Clean/Replace
Engine Air Filter Secondary Element - Replace
Engine Air Precleaner - Clean
Ether Starting Aid Cylinder - Replace
Fuel System - Prime
Fuses - Replace
Oil Filter - Inspect
Screen (Brake Oil Cooler) - Clean
Screen (Hoist and Brake Tank) - Inspect/Clean/Replace
Screen (Torque Converter) - Clean
Traction Control System (TCS) - Test
Window Washer Bottle - Fill
Window Washer Bottle - Fill
Window Wiper - Inspect/Replace
Windows - Clean
Oil Filter (Steering) - Replace
Air Tank Moisture and Sediment - Drain
Backup Alarm - Test
Brakes, Indicators and Gauges - Test
Braking System - Test
Braking System - Test
Cooling System Coolant Level - Check
Engine Oil Level - Check
Engine Oil Level - Check
Fuel System Water Separator - Drain
Fuel Tank Water and Sediment - Drain
Hoist and Brake Tank Oil Level - Check
Seat Belt - Inspect
Secondary Steering - Test
Steering System Oil Level - Check
Torque Converter and Transmission Oil Level - Check
Front Suspension Cylinder Rods - Lubricate
Hoist Cylinder Bearings - Lubricate
Magnetic Plug (Differential) - Check
Magnetic Plug (Wheels) - Check
Rear Axle A-Frame Bearing - Lubricate
Rear Axle Housing Lateral Control Rod Bearings - Lubricate
Rear Suspension Cylinder Bearings - Lubricate
Steering Cylinder Bearings - Lubricate
Steering Tie Rod and Pin Bearings - Lubricate
Engine Valve Rotators - Inspect
Frame and Body Support Pads - Clean/Inspect
Air Dryer - Check
Air Dryer - Check
Belts - Inspect/Adjust/Replace
Breather (Air/Hydraulic Cylinder) - Replace
Cab Air Filter - Clean/Replace
Differential and Final Drive Oil Level - Check
Drive Shaft Slip Joint - Lubricate
Engine Oil and Filter - Change
Engine Oil and Filter - Change
Fan Drive Bearing and Belt Adjusting Pulley - Lubricate
Frame and Body - Inspect
Front Wheel Oil - Inspect
Front Wheel Oil Level - Check
Tire Inflation - Check
Front Wheel Oil Sample - Obtain
Hoist and Brake Tank Oil Sample - Obtain
Steering System Oil Sample - Obtain
Torque Converter and Transmission Oil Sample - Obtain
Breather (Torque Converter and Transmission) - Replace
Cooling System Coolant Sample (Level 1) - Obtain
Differential and Final Drive Oil - Inspect
Engine Crankcase Breather - Clean
Frame - Clean/Inspect
Front Wheel Oil - Change
Fuel System Secondary Filter - Replace
(INACTIVE) Fuel System Water Separator Element - Replace (INACTIVE)
Fuel Tank Cap and Strainer - Clean
Oil Filter (Parking Brake Release) - Replace
Oil Filter (Power Train) - Replace
Oil Filter (Steering) - Replace
Screen (Transmission) - Clean
Suspension Cylinder - Check
Frame and Body Support Pads - Clean/Inspect
Hoist and Brake Tank Oil - Change
Rollover Protective Structure (ROPS) - Inspect
Seat Suspension - Inspect/Lubricate
Service Brakes - Inspect
Steering Linkage - Inspect
Steering System Oil - Change
Torque Converter and Transmission Oil - Change
Differential Thrust Pin Clearance - Check
Differential and Final Drive Oil - Change
Refrigerant Dryer - Replace
Engine Valve Lash and Bridge - Check
Engine Valve Rotators - Inspect
Radiator Core and Aftercooler - Clean
Cooling System Water Temperature Regulator - Replace
Engine Water Pump - Inspect
Cooling System Coolant (ELC) - Change
Before each consecutive interval is performed, all of the maintenance requirements from the previous interval must also be performed.
When Required
Air Conditioner Filter - CleanAir Tank - Inspect
Battery - Recycle
Battery or Battery Cable - Inspect/Replace
Cab Air Filter - Clean/Replace
Circuit Breakers - Reset
Cooling System Relief Valve - Clean
Engine Air Filter Primary Element - Clean/Replace
Engine Air Filter Secondary Element - Replace
Engine Air Precleaner - Clean
Ether Starting Aid Cylinder - Replace
Fuel System - Prime
Fuses - Replace
Oil Filter - Inspect
Screen (Brake Oil Cooler) - Clean
Screen (Hoist and Brake Tank) - Inspect/Clean/Replace
Screen (Torque Converter) - Clean
Traction Control System (TCS) - Test
Window Washer Bottle - Fill
Window Washer Bottle - Fill
Window Wiper - Inspect/Replace
Windows - Clean
Initial 8 Service Hours
Oil Filter (Parking Brake Release) - ReplaceOil Filter (Steering) - Replace
Every 10 Service Hours or Daily
Air Tank Moisture and Sediment - DrainAir Tank Moisture and Sediment - Drain
Backup Alarm - Test
Brakes, Indicators and Gauges - Test
Braking System - Test
Braking System - Test
Cooling System Coolant Level - Check
Engine Oil Level - Check
Engine Oil Level - Check
Fuel System Water Separator - Drain
Fuel Tank Water and Sediment - Drain
Hoist and Brake Tank Oil Level - Check
Seat Belt - Inspect
Secondary Steering - Test
Steering System Oil Level - Check
Torque Converter and Transmission Oil Level - Check
Initial 50 Service Hours
Screen (Hoist and Brake Tank) - Inspect/Clean/ReplaceEvery 50 Service Hours or Weekly
Body Pivot Bearings - LubricateFront Suspension Cylinder Rods - Lubricate
Hoist Cylinder Bearings - Lubricate
Magnetic Plug (Differential) - Check
Magnetic Plug (Wheels) - Check
Rear Axle A-Frame Bearing - Lubricate
Rear Axle Housing Lateral Control Rod Bearings - Lubricate
Rear Suspension Cylinder Bearings - Lubricate
Steering Cylinder Bearings - Lubricate
Steering Tie Rod and Pin Bearings - Lubricate
Initial 250 Service Hours (or at first oil change)
Engine Valve Lash and Bridge - CheckEngine Valve Rotators - Inspect
Frame and Body Support Pads - Clean/Inspect
Every 250 Service Hours
Engine Oil Sample - ObtainEvery 250 Service Hours or Monthly
Air Conditioner Filter - CleanAir Dryer - Check
Air Dryer - Check
Belts - Inspect/Adjust/Replace
Breather (Air/Hydraulic Cylinder) - Replace
Cab Air Filter - Clean/Replace
Differential and Final Drive Oil Level - Check
Drive Shaft Slip Joint - Lubricate
Engine Oil and Filter - Change
Engine Oil and Filter - Change
Fan Drive Bearing and Belt Adjusting Pulley - Lubricate
Frame and Body - Inspect
Front Wheel Oil - Inspect
Front Wheel Oil Level - Check
Tire Inflation - Check
Initial 500 Hours (for New Systems, Refilled Systems, and Converted Systems)
Cooling System Coolant Sample (Level 2) - ObtainEvery 500 Service Hours
Differential and Final Drive Oil Sample - ObtainFront Wheel Oil Sample - Obtain
Hoist and Brake Tank Oil Sample - Obtain
Steering System Oil Sample - Obtain
Torque Converter and Transmission Oil Sample - Obtain
Every 500 Service Hours or 3 Months
Breather (Hoist and Brake Tank) - ReplaceBreather (Torque Converter and Transmission) - Replace
Cooling System Coolant Sample (Level 1) - Obtain
Differential and Final Drive Oil - Inspect
Engine Crankcase Breather - Clean
Frame - Clean/Inspect
Front Wheel Oil - Change
Fuel System Secondary Filter - Replace
(INACTIVE) Fuel System Water Separator Element - Replace (INACTIVE)
Fuel Tank Cap and Strainer - Clean
Oil Filter (Parking Brake Release) - Replace
Oil Filter (Power Train) - Replace
Oil Filter (Steering) - Replace
Screen (Transmission) - Clean
Suspension Cylinder - Check
Every 1000 Service Hours or 6 Months
Air Dryer Desiccant - ReplaceFrame and Body Support Pads - Clean/Inspect
Hoist and Brake Tank Oil - Change
Rollover Protective Structure (ROPS) - Inspect
Seat Suspension - Inspect/Lubricate
Service Brakes - Inspect
Steering Linkage - Inspect
Steering System Oil - Change
Torque Converter and Transmission Oil - Change
Every 2000 Service Hours or 1 Year
Breather (Differential and Final Drive) - ReplaceDifferential Thrust Pin Clearance - Check
Differential and Final Drive Oil - Change
Every Year
Cooling System Coolant Sample (Level 2) - ObtainRefrigerant Dryer - Replace
Every 3000 Service Hours or 2 Years
Cooling System Pressure Cap - Clean/ReplaceEngine Valve Lash and Bridge - Check
Engine Valve Rotators - Inspect
Radiator Core and Aftercooler - Clean
Every 3 Years
Seat Belt - ReplaceEvery 4000 Service Hours or 1 Year
Differential and Final Drive Oil - ChangeEvery 6000 Service Hours or 3 Years
Cooling System Coolant Extender (ELC) - AddEvery 6000 Service Hours or 4 Years
Cooling System Relief Valve - CleanCooling System Water Temperature Regulator - Replace
Engine Water Pump - Inspect
Every 12 000 Service Hours or 6 Years
Cooling System Coolant (ELC) - ChangeCooling System Coolant (ELC) - Change
Caterpillar Information System:
120M, 12M, 140M and 160M Motor Graders Power Train Speed Sensor (Transmission) - Intermediate
725, 730 and 730 Ejector Articulated Trucks Engine Supplement Engine Oil Cooler - Install
769D Off-Highway Truck/Tractor and 771D Quarry Truck Engine Starting with Auxiliary Start Receptacle
AccuGrade® Laser (CB420) CB 25 Elevation Limit Left
AP-1055D and BG-2455D Asphalt Pavers Propel System Piston Pump Neutral - Test and Adjust
AP-1055D and BG-2455D Asphalt Pavers Propel System Pump Synchronization - Test and Adjust
AP-1055D and BG-2455D Asphalt Pavers Auxiliary System Hydraulic Oil Contamination - Test
AP-1055D and BG-2455D Asphalt Pavers Propel System Propel System Troubleshooting
769D Off-Highway Truck/Tractor and 771D Quarry Truck Towing With Inoperable Engine
Improving the Environment of the Operator{7301} Improving the Environment of the Operator{7301}
AP-1055D and BG-2455D Asphalt Pavers Propel System Visual Inspection
725, 730 and 730 Ejector Articulated Trucks Engine Supplement Engine Oil Cooler - Remove
769D Off-Highway Truck/Tractor and 771D Quarry Truck Window Washer Bottle - Fill
C15 and C18 Engines for Caterpillar Built Machines Alternator Mounting
2005/04/11 Tightness of Bolted Joints with the Torque Turn Procedure {1101, 1202, 1203, 1218}
2005/04/11 Tightness of Bolted Joints with the Torque Turn Procedure {1101, 1202, 1203, 1218}
C9 Engines for Caterpillar Built Machines Air Inlet Heater - Remove
AccuGrade® Laser (CB420) CB 23 Unsupported Device
AccuGrade® Laser (CB420) CB 27 Control Box Failure
AccuGrade® Laser (CB420) CB 28 Invalid Serial Number
2005/05/30 The Parking Brake Control Group Has Been Updated with a New Air Valve Assembly Which Improves Reliability {4282, 4284}
AccuGrade® Laser (CB420) CB 30 Duplicate Sensor Serial Number
824H Wheel Dozer, 825H Soil Compactor and 826H Landfill Compactor Electrohydraulic System Position Sensor for the Lift Linkage (Electronic Technician) - Calibrate
AD45B and AD55 Underground Articulated Trucks C18 Engine Supplement Coolant Level Sensor