HARNESS AS.- 2314425 - Caterpillar

Caterpillar MachinesThe 3000 Service Hours or Three Years service interval is being added for all Caterpillar Machines. This service interval establishes the interval to add Extended Life Coolant Extender to the Extended Life Coolant (one-half of the Extended Life Coolant service life).
The 6000 Service Hours or Six Years service interval is being added for all Caterpillar Machines. This service interval establishes the Extended Life Coolant change interval.
These new service intervals will be included in all Caterpillar Machine Operation and Maintenance Manuals as of November 1997. All current machine Operation and maintenance Manuals will reflect this change as they are revised.
Please mark all machine Operation and Maintenance Manuals to reflect this interval change.