345C UHD Excavator and 345C Mobile Hydraulic Power Unit Maintenance Interval Schedule Caterpillar

Ensure that all safety information, warnings and instructions are read and understood before any operation or any maintenance procedures are performed.

The user is responsible for the performance of maintenance, including all adjustments, the use of proper lubricants, fluids, filters, and the replacement of components due to normal wear and aging. Failure to adhere to proper maintenance intervals and procedures may result in diminished performance of the product and/or accelerated wear of components.

Use mileage, fuel consumption, service hours, or calendar time, WHICH EVER OCCURS FIRST, in order to determine the maintenance intervals. Products that operate in severe operating conditions may require more frequent maintenance.

Note: Before each consecutive interval is performed, all maintenance from the previous interval must be performed.

Note: If Cat HYDO Advanced 10 hydraulic oil is used, the hydraulic oil change interval is extended to 3000 hours. S·O·S services may extend the oil change to a longer interval. Consult your AVSpare dealer for details.

When Required

Every 10 Service Hours or Daily for First 100 Hours

Every 10 Service Hours or Daily

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

Every 50 Service Hours or Weekly

Every 100 Service Hours or 2 Weeks for Machines Used in Severe Applications

Every 100 Service Hours of Continuous Hammer Use

Initial 250 Service Hours

Every 250 Service Hours

Every 250 Service Hours or Monthly

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

Every 250 Service Hours of Continuous Hammer Use

Initial 500 Hours (for New Systems, Refilled Systems, and Converted Systems)

Every 500 Service Hours

Every 500 Service Hours or 3 Months

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

Every 600 Service Hours of Continuous Hammer Use

Every 1000 Service Hours or 6 Months

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

Every 2000 Service Hours or 1 Year

Every Year

Every 3000 Service Hours or 18 Months

Every 3 Years After Date of Installation or Every 5 Years After Date of Manufacture

Every 4000 Service Hours or 2 Years

Every 5000 Service Hours or 3 Years

Every 6000 Service Hours or 3 Years

Every 12 000 Service Hours or 6 Years