304.5 Mini Hydraulic Excavator Maintenance Interval Schedule Caterpillar


Maintenance Interval Schedule
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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

Battery - Recycle
Battery, Battery Cable or Battery Disconnect Switch - Replace
Cab Air Filter (Fresh Air) - Clean/Replace
Circuit Breakers - Reset
Cooling System Pressure Cap - Clean/Replace
Cooling System Water Temperature Regulator - Replace
Engine Air Filter Element - Clean/Replace
Fuel System Priming Pump - Operate
Fuses - Replace
Hydraulic System Oil Cooler Core - Clean
Oil Filter - Inspect
Radiator Core - Clean
Track Adjustment - Adjust
Window Washer Reservoir - Fill
Window Wiper - Inspect/Replace

Every 10 Service Hours or Daily

Bucket Tips - Inspect/Replace
Cooling System Level - Check
Engine Oil Level - Check
Fuel System Water Separator - Drain
Hydraulic System Oil Level - Check
Indicators and Gauges - Test
Seat Belt - Inspect
Track (Rubber) - Inspect/Replace
Track Adjustment - Inspect
Travel Alarm - Test
Undercarriage - Check
Walk-Around Inspection
Windows - Clean

Every 50 Service Hours

Belt - Inspect/Adjust/Replace
Bucket Linkage - Lubricate
Quick Coupler - Clean
Quick Coupler - Lubricate
Swing Bearing - Lubricate
Swing Gear - Lubricate

Every 50 Service Hours or Weekly

Fuel Tank Water and Sediment - Drain

Initial 100 Service Hours

Final Drive Oil - Change
Hydraulic System Oil Filter (Return) - Replace

Every 250 Service Hours

Cooling System Hoses - Inspect
Engine Oil and Filter - Change
Final Drive Oil Level - Check

Every 500 Service Hours

Engine Valve Lash - Check
Fuel System Water Separator Element - Replace
Fuel Tank Cap and Strainer - Clean
Hydraulic System Oil Filter (Return) - Replace

Every 500 Service Hours or 3 Months

Blade Linkage - Lubricate
Boom and Stick Linkage - Lubricate
Swing Frame and Cylinder Bearings - Lubricate

Every 6 Months

Tip-Over Protective Structure (TOPS) - Inspect

Every 1000 Service Hours

Final Drive Oil - Change

Every 1000 Service Hours or 6 Months

Battery - Clean

Every 2000 Service Hours

Engine Air Filter Element - Clean/Replace
Hydraulic System Oil - Change

Every 3 Years

Seat Belt - Replace

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

Information System:

305 CR Mini Hydraulic Excavator Track Adjustment - Inspect
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control Hydraulic Oil Filter Indicator Is Abnormal - Troubleshoot
3126B Engine for Caterpillar Built Machines Throttle Lock Lamp Circuit - Test
3500B Engines for 776D, 777D, 784C, 785C, 789C and 793C Off-Highway Trucks Event Codes
303.5 Mini Hydraulic Excavator Work Tool Flow Control
303.5 Mini Hydraulic Excavator Work Tool Control
5230 Excavator Hydraulic System Relief Valve (Pilot) - Test and Adjust
312C and 312C L Excavator Blade Control
5230B Excavator Machine Systems Control Valve (Rear) - Disassemble
CS56B, CP56B, CS66B, CS68B and CP68B Vibratory Soil Compactors Machine Systems Vibratory Support - Disassemble
2001/11/19 Prerequisites for Flashing Software into Machine Electronic Control Modules {7620}
C-9 Engine for the 330C Excavator and for the 330C Mobile Hydraulic Power Unit Sensors and Electrical Connectors
303C CR, 303.5C CR, 304C CR and 305C CR Mini Hydraulic Excavators Track Adjustment - Adjust
315C Excavator Work Tool Control (Two-Way Flow) - If Equipped
Horizontal Pin Lock Series PW Quick Coupler Quick Coupler Installation and Removal
303.5 Mini Hydraulic Excavator Reference Material
2001/10/01 Correction to Systems Operation, Testing and Adjusting , "Pump Control (Negative Flow) - Test" {5050}
5230 Excavator Hydraulic System Control Valve (Front) - Front Shovel - Type 2
M315 Excavator Hydraulic System Relief Valve (Signal Limiter Heavy Lift) - Test and Adjust
BH27, BH30 and BH30 W Skid Steer Loader Backhoes Bucket Cylinder - Remove and Install
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control Engine Speed Dial Does Not Work - Troubleshoot - 420E and 2303
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control Pressurization of Hydraulic Tank Is Abnormal - Troubleshoot
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control Controllability Is Bad in Boom Priority Mode - Troubleshoot - 4106
345B, 345B Series II and W345B Series II Excavators Engine and Pump Control Travel Alarm Is Abnormal - Troubleshoot - 4108