322B, 322B L, 325B and 325B L Excavators 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

Air Conditioner/Cab Heater Filter - Inspect/Replace
Battery - Recycle
Battery, Battery Cable or Battery Disconnect Switch - Replace
Boom Base Pins - Lubricate
Bucket Linkage - Inspect/Adjust
Bucket Tips - Inspect/Replace
Cab Air Filter - Clean/Replace
Circuit Breakers - Reset
Engine Air Filter Primary Element - Clean/Replace
Engine Air Filter Secondary Element - Replace
Ether Starting Aid Cylinder - Replace
Fuses - Replace
Fuses - Replace
Oil Filter - Inspect
Radiator Core - Clean
Refrigerant Receiver-Dryer - Replace
Refueling Pump Strainer - Clean
Track Adjustment - Adjust
Windows - Clean
Window Wiper - Inspect/Replace

Every 10 Service Hours or Daily for First 100 Hours

Boom, Stick and Bucket Linkage - Lubricate

Every 10 Service Hours or Daily

Cooling System Level - Check
Engine Oil Level - Check
Fuel System Water Separator - Drain
Fuel Tank Water and Sediment - Drain
Hydraulic System Oil Level - Check
Indicators and Gauges - Test
Seat Belt - Inspect
Track Adjustment - Inspect
Travel Alarm - Test
Undercarriage - Check
Walk-Around Inspection

Every 10 Service Hours or Daily for Machines Used in Severe Applications

Boom, Stick and Bucket Linkage - Lubricate

Every 50 Service Hours or Weekly

Boom, Stick and Bucket Linkage - Lubricate

Every 100 Service Hours of Continuous Hammer Use

Hydraulic System Oil Filter - Replace

Initial 250 Service Hours

Engine Valve Lash and Fuel Injector Timing - Check
Final Drive Oil - Change
Hydraulic System Oil Filter - Replace
Hydraulic System Oil Return Filter - Replace
Swing Drive Oil - Change

Every 250 Service Hours or Monthly

Air Conditioner - Test
Condenser (Refrigerant) - Clean
Cooling System Hoses - Inspect
Engine Oil and Filter - Change
Final Drive Oil Level - Check
Fuel System Priming Pump - Operate
Fuel System Secondary Filter Number One - Replace
Fuel System Water Separator Element - Replace
Swing Bearing - Lubricate
Swing Drive Oil Level - Check
V-Belts - Inspect/Adjust/Replace
V-Belts - Inspect/Adjust/Replace

Every 250 Service Hours of Partial Hammer Use (50% of Service Hours)

Hydraulic System Oil Filter - Replace

Every 250 Service Hours of Continuous Hammer Use

Hydraulic System Oil Return Filter - Replace

Every 500 Service Hours or 3 Months

Engine Crankcase Breather - Clean
Fuel System Secondary Filter Number Two - Replace
Fuel Tank Cap and Strainer - Clean
Hydraulic System Oil Filter - Replace

Every 500 Service Hours of Partial Hammer Use (50% of Service Hours)

Hydraulic System Oil Return Filter - Replace

Every 600 Service Hours of Continuous Hammer Use

Hydraulic System Oil - Change

Every 1000 Service Hours or 6 Months

Battery - Clean
Battery Hold-Down - Tighten
Hydraulic System Oil Return Filter - Replace
Swing Drive Oil - Change

Every 1000 Service Hours of Partial Hammer Use (50% of Service Hours)

Hydraulic System Oil - Change

Every 2000 Service Hours or 1 Year

Engine Governor Oil Supply Screen - Clean/Inspect/Replace
Engine Valve Lash and Fuel Injector Timing - Check
Final Drive Oil - Change
Hydraulic System Oil - Change
Refrigerant Receiver-Dryer - Replace
Swing Gear - Lubricate

Every 3000 Service Hours or 3 Years

Cooling System Coolant Extender (ELC) - Add

Every 6000 Service Hours or 6 Years

Cooling System Coolant (ELC) - Change

Every 3 Years

Seat Belt - Replace