Maintenance Interval Schedule
When Required
Battery - RecycleBattery, Battery Cable or Battery Disconnect Switch - Replace
Brake Discs - Check
Camera - Clean
Circuit Breakers - Reset
Engine Air Filter Primary Element - Clean/Replace
Engine Air Filter Secondary Element - Replace
Engine Air Precleaner - Clean
Fuel System - Prime
Oil Filter - Inspect
Radiator Core - Clean
Rim - Inspect
Window Washer Bottle - Fill
Window Wiper - Inspect/Replace
Every 10 Service Hours or Daily
Backup Alarm - TestBody Pivot Bearings - Lubricate
Braking System - Test
Cab Door Latch - Inspect
Cooling System Level - Check
Engine Air Filter Service Indicator - Inspect
Engine Oil Level - Check
Fuel Tank Water and Sediment - Drain
Hoist Cylinder Bearings - Lubricate
Hydraulic System Oil Level - Check
Indicators and Gauges - Test
Oscillating Hitch - Lubricate
Seat Belt - Inspect
Secondary Steering - Test
Service Inspection
Steering Cylinder Bearings - Lubricate
Tailgate and Tailgate Cylinder Bearings - Lubricate
Transmission Oil Level - Check
Window - Clean
Every 50 Service Hours or Weekly
Cab Air Filter - Clean/ReplaceEjector Cylinder Bearing - Lubricate
Fuel System Primary Filter (Water Separator) - Drain
Hydraulic System Oil Filter Indicator - Check
Tire Inflation - Check
Transfer Gear Oil Level - Check
Initial 250 Service Hours (or at first oil change)
Engine Valve Lash - Check/AdjustEngine Valve Rotators - Inspect
Oscillating Hitch - Adjust
Every 250 Service Hours or Monthly
Articulation Chassis Cable - Inspect/ReplaceBattery - Clean
Belts - Inspect/Adjust/Replace
Differential and Final Drive Oil Level - Check
Drive Shaft Universal Joints, Splines and Bearings - Inspect
Engine Air Filter Service Indicator - Inspect/Replace
Engine Oil and Filter - Change
Engine Oil Sample - Obtain
Frame and Body - Inspect
Fuel System Primary Filter (Water Separator) - Replace
Fuel System Secondary Filter - Replace
Hoses and Clamps - Inspect/Replace
Wheel Nut Torque - Check
Initial 500 Hours (for New Systems, Refilled Systems, and Converted Systems)
Cooling System Coolant Sample (Level 2) - ObtainEvery 500 Service Hours or 3 Months
Brake Oil Filter - ReplaceCase Drain Oil Filter - Replace
Differential and Final Drive Oil Sample - Obtain
Engine Crankcase Breather - Clean
Fuel Tank Cap and Strainer - Clean
Hydraulic System Oil Filter and Screen - Clean/Inspect/Repla
Hydraulic System Oil Sample - Obtain
Hydraulic Tank Breather - Clean/Inspect/Replace
Transfer Gear Oil Sample - Obtain
Transmission Oil Filter - Replace
Transmission Oil Sample - Obtain
Every 1000 Service Hours or 6 Months
Accumulator - CheckBattery Hold-Down - Tighten
Frame and Body Support Pads - Clean/Inspect
Hydraulic System Charge Filter - Replace
Hydraulic System Oil - Change
Oscillating Hitch - Adjust
Rollover Protective Structure (ROPS) and Falling Object Prot
Transmission Oil - Change
Every 2000 Service Hours or 1 Year
Alternate Exit - InspectDifferential and Final Drive Oil - Change
Engine Mounts - Inspect
Engine Valve Lash - Check/Adjust
Engine Valve Rotators - Inspect
Refrigerant Dryer - Replace
Transfer Gear Oil - Change
Turbocharger - Inspect
Every 3000 Service Hours or 2 Years
Cooling System Coolant Extender (ELC) - AddCooling System Coolant Sample (Level 1) - Obtain
Cooling System Pressure Cap - Clean/Replace
Every 3 Years After Date of Installation or Every 5 Years After Date of Manufacture
Seat Belt - ReplaceEvery 6000 Service Hours or 4 Years
Cooling System Coolant (ELC) - ChangeCooling System Water Temperature Regulator - Replace
Engine Water Pump - Inspect
Caterpillar Information System:
AD22 Underground Articulated Truck Engine Lockout Switch
AD22 Underground Articulated Truck Belts - Inspect/Adjust/Replace
PL61 Pipelayer Power Train Axle - Remove and Install
AD22 Underground Articulated Truck Battery Disconnect Switch
AD22 Underground Articulated Truck Model Views and Specifications
D6K Track Type Tractor Power Train Pump Drive Coupling - Remove and Install
PL61 Pipelayer Power Train Duo-Cone Conventional Seals - Install
Procedure To Convert To Heavy-Duty Extended Life Undercarriage With 218 mm Pitch Track On Certain D8N, D8R, And D8T Track-Type Tractors {4150} Procedure To Convert To Heavy-Duty Extended Life Undercarriage With 218 mm Pitch Track On Certain D8N, D8R, And D8T Track-Type Tractors {4150}
950M and 962M Wheel Loaders Engine Crankcase Breather - Replace
PL61 Pipelayer Power Train Piston Motor (Hydrostatic) - Disassemble
D6K Track Type Tractor Power Train Piston Motor (Hydrostatic) - Remove and Install
C175 Tier 4 Final Engines for Off-Highway Trucks Coolant Pressure Is Low
966M XE and 972M XE Wheel Loaders Power Train, Steering, Braking, Hydraulic, and Machine Systems Fuel Lines
988K XE Wheel Loader Systems Relief Valve
631K OEM Wheeled Tractor Engine Supplement Fan and Piston Motor (Hydraulic Fan) - Remove and Install - Tractor
988K Wheel Loader Systems Accumulator Charging Valve (Brake)
631K OEM Wheeled Tractor Engine Supplement Hydraulic Oil Cooler - Remove and Install - Tractor
D6T Track-Type Tractor Systems General Information (Steering System)
Converting Fuel Injection Pump Lines from Tubes to Steel-Braided Hoses on Certain D3K2, D4K2, and D5K2 Track-Type Tractors with Fireplow Modifications {1251, 1274, 1290} Converting Fuel Injection Pump Lines from Tubes to Steel-Braided Hoses on Certain D3K2, D4K2, and D5K2 Track-Type Tractors with Fireplow Modifications {1251, 1274, 1290}
631K and 637K Wheel Tractor Scraper Engine Supplement Transmission Oil Cooler - Remove and Install - Scraper
D6T Track-Type Tractor Systems Electronic Control (Steering System)
631K OEM Wheeled Tractor Engine Supplement Aftercooler - Remove and Install - Tractor
PL61 Pipelayer Power Train Piston Motor (Hydrostatic) - Assemble
844K and 854K Wheel Dozers and 990K, 992K, 993K, 994F and 994H Wheel Loaders Powered Access Stairway Switch Status - Check