Maintenance Interval Schedule
Note: All safety information, warnings, and instructions must be read and understood before you perform any operation or any maintenance procedure.
Battery Electrolyte Level - Check
Battery, Battery Cable or Battery Disconnect Switch - Replace
Circuit Breakers - Reset
Clearance between Elevator Flight and Cutting Edge - Check/Adjust
Cutting Edges and End Bits - Inspect/Replace
Draft Arm Wear Plates - Check/Adjust
Ejector Carrier Rollers - Check/Adjust
Ejector Guide Rollers - Check/Adjust
Ejector Support Rollers - Check/Adjust
Ejector Support Rollers - Inspect/Pack/Replace
Elevator Chain - Inspect/Adjust
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
Fuel System Primary Filter - Clean/Inspect/Replace
Fuses - Replace
Hydraulic Tank Breaker Relief Valve - Clean
Oil Filter - Inspect
Router Bits - Inspect/Replace
Seat - Inspect
Steering Pump Outlet Screen - Clean
Window Washer Reservoir - Fill
Window Wiper - Inspect/Replace
Windows - Clean
Backup Alarm - Test
Brakes, Indicators and Gauges - Test
Cooling System Level - Check
Differential and Final Drive Oil Level - Check
Ejector Guide Rollers - Inspect/Lubricate/Replace
Elevator Chain Adjustment Idler - Lubricate
Elevator Chain Idler - Lubricate
Elevator Linkage - Lubricate
Engine Air Filter Service Indicator - Inspect
Engine Oil Level - Check
Floor Rollers - Lubricate
Fuel Tank Water and Sediment - Drain
Hydraulic Oil Cooler - Clean
Hydraulic System Oil Level - Check
Radiator Core - Clean
Seat Belt - Inspect
Transmission Oil Level - Check
Walk-Around Inspection
Hitch - Lubricate
Tire Inflation - Check
Air Dryer - Check
Brake Air System Pressure - Test
Braking System - Test
Coolant Conditioner Element - Replace
Cooling System Coolant Additive (DEAC) - Add
Cooling System Coolant Extender (ELC) - Add
Elevator Chain Roller - Check/Lubricate
Elevator Speed Reducer - Check/Lubricate
Engine Oil (High Speed) and Oil Filter - Change
Engine Oil Sample - Obtain
Engine Oil and Filter - Change
Fan Drive Bearing and Belt Tightener - Lubricate
Hydraulic System Oil Sample - Obtain
Transmission Oil Sample - Obtain
V-Belts - Inspect/Adjust/Replace
Wheel Bearing Oil Level - Check
Differential and Final Drive Oil Sample - Obtain
Engine Crankcase Breather - Clean
Fuel System Primary Filter - Clean/Inspect/Replace
Fuel System Secondary Filter - Replace
Fuel Tank Cap and Strainer - Clean
Hydraulic System Oil Filter - Replace
Hydraulic Tank Breaker Relief Valve - Clean
In-Line Refrigerant Dryer - Check/Replace
Transmission Oil Filter and Magnetic Screen - Replace/Clean
Brake Air System Warning Horn - Test
Differential and Final Drive Breather - Clean
Rollover Protective Structure (ROPS) - Inspect
Seat Suspension - Lubricate
Suction Screen (Transmission Scavenge) - Clean
Transmission Breather - Clean
Transmission Oil - Change
Wheel Coolant Level - Check
Wheel Coolant Level - Check
Differential Thrust Pin Clearance - Check
Differential and Final Drive Oil - Change
Ejector Carrier Rollers - Check/Adjust
Ejector Carrier Rollers - Inspect/Pack/Replace
Ejector Guide Rollers - Check/Adjust
Ejector Support Rollers - Check/Adjust
Ejector Support Rollers - Inspect/Pack/Replace
Fuel Injection Timing - Check
Hitch - Inspect
Hydraulic System Oil - Change
In-Line Refrigerant Dryer - Check/Replace
Wheel Bearing Oil - Change
Elevator Drive Tube Roller Bearing - Lubricate
Elevator Speed Reducer Oil - Change
Engine Valve Lash - Check
Cooling System Pressure Cap - Clean/Replace
Cooling System Relief Valve - Clean
Cooling System Water Temperature Regulator - Replace
Crankshaft Vibration Damper - Inspect
Before each consecutive interval is performed, all of the maintenance requirements from the previous interval must also be performed.
When Required
Battery - RecycleBattery Electrolyte Level - Check
Battery, Battery Cable or Battery Disconnect Switch - Replace
Circuit Breakers - Reset
Clearance between Elevator Flight and Cutting Edge - Check/Adjust
Cutting Edges and End Bits - Inspect/Replace
Draft Arm Wear Plates - Check/Adjust
Ejector Carrier Rollers - Check/Adjust
Ejector Guide Rollers - Check/Adjust
Ejector Support Rollers - Check/Adjust
Ejector Support Rollers - Inspect/Pack/Replace
Elevator Chain - Inspect/Adjust
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
Fuel System Primary Filter - Clean/Inspect/Replace
Fuses - Replace
Hydraulic Tank Breaker Relief Valve - Clean
Oil Filter - Inspect
Router Bits - Inspect/Replace
Seat - Inspect
Steering Pump Outlet Screen - Clean
Window Washer Reservoir - Fill
Window Wiper - Inspect/Replace
Windows - Clean
Every 10 Service Hours or Daily
Air Tank Moisture and Sediment - DrainBackup Alarm - Test
Brakes, Indicators and Gauges - Test
Cooling System Level - Check
Differential and Final Drive Oil Level - Check
Ejector Guide Rollers - Inspect/Lubricate/Replace
Elevator Chain Adjustment Idler - Lubricate
Elevator Chain Idler - Lubricate
Elevator Linkage - Lubricate
Engine Air Filter Service Indicator - Inspect
Engine Oil Level - Check
Floor Rollers - Lubricate
Fuel Tank Water and Sediment - Drain
Hydraulic Oil Cooler - Clean
Hydraulic System Oil Level - Check
Radiator Core - Clean
Seat Belt - Inspect
Transmission Oil Level - Check
Walk-Around Inspection
Every 50 Service Hours or Weekly
Cab Air Filter - Clean/ReplaceHitch - Lubricate
Tire Inflation - Check
Every 250 Service Hours or Monthly
Air Conditioner - TestAir Dryer - Check
Brake Air System Pressure - Test
Braking System - Test
Coolant Conditioner Element - Replace
Cooling System Coolant Additive (DEAC) - Add
Cooling System Coolant Extender (ELC) - Add
Elevator Chain Roller - Check/Lubricate
Elevator Speed Reducer - Check/Lubricate
Engine Oil (High Speed) and Oil Filter - Change
Engine Oil Sample - Obtain
Engine Oil and Filter - Change
Fan Drive Bearing and Belt Tightener - Lubricate
Hydraulic System Oil Sample - Obtain
Transmission Oil Sample - Obtain
V-Belts - Inspect/Adjust/Replace
Wheel Bearing Oil Level - Check
Every 500 Service Hours or 3 Months
Brake Camshaft Bearing - LubricateDifferential and Final Drive Oil Sample - Obtain
Engine Crankcase Breather - Clean
Fuel System Primary Filter - Clean/Inspect/Replace
Fuel System Secondary Filter - Replace
Fuel Tank Cap and Strainer - Clean
Hydraulic System Oil Filter - Replace
Hydraulic Tank Breaker Relief Valve - Clean
In-Line Refrigerant Dryer - Check/Replace
Transmission Oil Filter and Magnetic Screen - Replace/Clean
Every 1000 Service Hours or 6 Months
Air Dryer Desiccant - ReplaceBrake Air System Warning Horn - Test
Differential and Final Drive Breather - Clean
Rollover Protective Structure (ROPS) - Inspect
Seat Suspension - Lubricate
Suction Screen (Transmission Scavenge) - Clean
Transmission Breather - Clean
Transmission Oil - Change
Wheel Coolant Level - Check
Wheel Coolant Level - Check
Every 2000 Service Hours or 1 Year
Cushion-Hitch Accumulator - CheckDifferential Thrust Pin Clearance - Check
Differential and Final Drive Oil - Change
Ejector Carrier Rollers - Check/Adjust
Ejector Carrier Rollers - Inspect/Pack/Replace
Ejector Guide Rollers - Check/Adjust
Ejector Support Rollers - Check/Adjust
Ejector Support Rollers - Inspect/Pack/Replace
Fuel Injection Timing - Check
Hitch - Inspect
Hydraulic System Oil - Change
In-Line Refrigerant Dryer - Check/Replace
Wheel Bearing Oil - Change
Every 2000 Service Hours or Yearly
Brake Shoes and Drums - Check/ReplaceElevator Drive Tube Roller Bearing - Lubricate
Elevator Speed Reducer Oil - Change
Engine Valve Lash - Check
Every 3000 Service Hours or 2 Years
Cooling System Coolant (DEAC) - ChangeCooling System Pressure Cap - Clean/Replace
Cooling System Relief Valve - Clean
Cooling System Water Temperature Regulator - Replace
Crankshaft Vibration Damper - Inspect
Every 6000 Service Hours or 6 Years
Cooling System Coolant (ELC) - ChangeCaterpillar Information System:
950G Wheel Loader, 962G Wheel Loader and IT62G Integrated Toolcarrier Steering System Command Control Steering - Adjust
621F Wheel Tractor-Scraper Maintenance Interval Schedule
994D Wheel Loader Engine and Machine Warm-Up
953C Track-Type Loader Power Train Speed and Direction Control
902 and 906 Compact Wheel Loaders Hydraulic System Accumulator (Pilot Oil)
D9R Track-Type Tractor Battery Disconnect Switch
966G Wheel Loader and 972G Wheel Loader Power Train Transmission Hydraulic Control
611 Wheel Tractor-Scraper 3306B Engine Supplement Radiator - Assemble
613C Series II Wheel Tractor-Scraper Machine Systems Elevator Chain Adjustment Idler - Assemble
613C Series II Wheel Tractor-Scraper Machine Systems Elevator Chain Adjustment Idler - Disassemble
IT14G Integrated Toolcarrier and 914G Wheel Loader Machine Systems Window Wiper and Wiper Motor (Rear) - Remove
994D Wheel Loader Power Train Electronic Control Module (Power Train) - Pinout Specifications
3406E and 3456 Engines for Caterpillar Built Machines Fuel System
966G Wheel Loader and 972G Wheel Loader Power Train Pinout Specifications for Electronic Control (Power Train)
966G Wheel Loader and 972G Wheel Loader Machine Systems Piston Pump (Steering) - Remove
966G Wheel Loader and 972G Wheel Loader Machine Systems Piston Pump (Steering) - Install
966G Wheel Loader and 972G Wheel Loader Machine Systems Piston Pump (Steering) - Disassemble
966G Wheel Loader and 972G Wheel Loader Machine Systems Piston Pump (Steering) - Assemble
613C Series II Wheel Tractor-Scraper Machine Systems Carry-Check Valve - Remove and Install
637E Series II Wheel Tractor-Scrapers Cooling System Coolant (DEAC) - Change
902 and 906 Compact Wheel Loaders Hydraulic System Pilot Valve (Joystick)
3003, 3013, 3014 and 3024 Engines for Caterpillar Built Machines Connecting Rod
902 and 906 Compact Wheel Loaders Hydraulic System Tilt Cylinder
966G Wheel Loader and 972G Wheel Loader Power Train Relief Valve (Torque Converter Outlet)