Service Every 4500 Operating Hours

L112126-UN-05SEP94

Also perform the following service tasks:

Service After the First 750 Hours and Every 750 Hours Thereafter Every 1500 Operating Hours or 2 Years

Engine air cleaner - Change the secondary element (no later than at every fourth change of the primary element or every 5 years)

Have DEF filters replaced by an authorized dealer (or every 3 years)