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Documents & Manuals

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Tensioning Guide
Belt-diagram
C-120 pulleys
+ 13 more

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
+ 40 more

Caterpillar Mini Hydraulic Excavator 305C CR

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Maintenance Plans for Caterpillar Mini Hydraulic Excavator Model 305C CR

Integrate maintenance plans directly into your work orders in MaintainX.

50 Hourly Mini Hydraulic Excavator Maintenance

Blade Linkage - Lubricate

Bucket Linkage - Lubricate

Fuel Tank Water and Sediment - Drain

Quick Coupler - Clean

Quick Coupler - Lubricate

Swing Frame and Cylinder Bearings - Lubricate

Track Adjustment - Inspect

Measuring Rubber Track Tension

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100 Hourly Mini Hydraulic Excavator Maintenance

Swing Gear and Bearing - Lubricate

Lower all work tools to the ground.

Open the right side access door.

Wipe all grease fittings before you lubricate the grease fittings.

Apply lubricant through fitting (1) until the old lubricant is pushed out from the seal surface.

Apply lubricant through fitting (2).

Rotate the upper structure for 90°.

Repeat Step 5 and Step 6 until the upper structure has rotated 360°.

Close the right side access door.

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3000 Hourly or 18 Monthly Mini Hydraulic Excavator Maintenance

Hydraulic System Oil - Change

WARNING: Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact skin.

Procedure to Change the Hydraulic Oil

Sign off on the hydraulic system oil change

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3 Yearly Skid Steer Loader Maintenance

Seat Belt Replacement

Date of seat belt installation

Is the date of installation label present?

If the date of installation label is missing, replace belt within 3 years from the year of manufacture

Year of manufacture as indicated on belt webbing label, buckle housing, or installation tags

Consult your Cat dealer for the replacement of the seat belt and the mounting hardware

Age of new seat belt

Does the age of new seat belt exceed install by date on label?

Complete seat belt system should be installed with new mounting hardware

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1 Yearly Mini Hydraulic Excavator Maintenance

Cooling System Coolant Sample (Level 2) - Obtain; Reference: Refer to Operation and Maintenance Manual, “Cooling System Coolant Sample (Level 1) - Obtain” for the guidelines for proper sampling of the coolant.

Obtain the sample of the coolant as close as possible to the recommended sampling interval. Supplies for collecting samples can be obtained from your Cat dealer.

Submit the sample for Level 2 analysis.

Reference: For additional information about coolant analysis, refer to Special Publication, SEBU6250, “Caterpillar Machine Fluids Recommendations” or consult your Cat dealer.

Engine Air Filter Secondary Element - Replace

NOTICE: Always replace the secondary filter element. Never attempt to reuse the element by cleaning. The secondary filter element should be replaced at the time the primary element is serviced for the third time.

NOTICE: The filter should be kept in service for no longer than one year.

NOTICE: Always leave the secondary filter element in place while you clean the air cleaner housing.

1. Open the engine access door.

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