The Caterpillar Mini Hydraulic Excavator 307.5 is a versatile and compact machine designed for efficient digging and excavation tasks. Known for its reliability and performance, this excavator is ideal for construction, landscaping, and utility work, providing operators with exceptional maneuverability and power.

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Manual for Caterpillar Mini Hydraulic Excavator 307.5

MAINTENANCE RESOURCES

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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
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Work Order Templates

Pre-built workflows to keep your asset running smoothly.

Daily Electrical System Inspection
Replace Roller and Pulley
Install Engine B-120
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Procedures

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Motion Industries
Applied Industrial Technologies
Electrical Brothers
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Parts

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Drive Motor
B2 Rollers
Tensioning System
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Caterpillar Mini Hydraulic Excavator 307.5

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Maintenance Plans for Caterpillar Mini Hydraulic Excavator Model 307.5

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1000 Hourly Mini Hydraulic Excavator Maintenance

Battery - Clean

Steps to clean the battery

Battery Hold-Down - Tighten

Tighten the hold-downs for the battery to prevent the batteries from moving during machine operation

Belts - Replace

Steps to replace the belts

Air Conditioner Belt

Steps to replace the Air Conditioner Belt

Engine Valve Lash - Check

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100 Hourly Mini Hydraulic Excavator Maintenance

Swing Bearing - Lubricate

Swing Gear - Lubricate

Sign off on the 100 Hourly Mini Hydraulic Excavator Maintenance

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10 Hourly or 1 Daily Mini Hydraulic Excavator Maintenance

Blade Linkage - Lubricate

Boom and Stick Linkage - Lubricate

Air Cleaner Dust Valve - Clean/Inspect

Air Conditioner/Cab Heater Filter (Recirculation) - Inspect/Replace

Bucket Linkage - Lubricate

Cab Air Filter (Fresh Air) - Clean/Replace

Cooling System Coolant Level - Check

Engine Air Filter Service Indicator - Inspect

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12000 Hourly or 6 Yearly Mini Hydraulic Excavator Maintenance

WARNING: Engine hood and engine hood parts can be hot while engine is running or immediately after engine shutdown. Hot parts or hot components can cause burns or personal injury. Do not allow these parts to contact your skin, when engine is running or immediately after engine shutdown.

WARNING: Personal injury can result from hot coolant, steam and alkali.

NOTICE: Do not change the coolant until you read and understand the cooling system information in Special Publication, SEBU6250, “Caterpillar Machine Fluids Recommendations”.

NOTICE: Mixing ELC with other products will reduce the effectiveness of the coolant.

Access to the radiator cap gained by opening access cover?

Cooling system cooled down?

Pressure cap removed?

Gasket on the pressure cap inspected?

Rear access door on the right side of the machine opened?

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1500 Hourly Mini Hydraulic Excavator Maintenance

Engine Crankcase Breather - Replace

Open the engine access door at the rear of the machine. Refer to Operation and Maintenance Manual, “Access Doors and Covers”.

The engine crankcase breather is located in the engine compartment on the right-hand side of engine. A replaceable filter element is located inside the engine crankcase breather.

Remove cover (4) and remove filter element (2).

Clean housing (1) and cover (4).

Inspect O-ring for damage. Replace if necessary.

Install a new filter element and Install cover (4).

Close the engine access door.

Sign off on the maintenance procedure

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