2A-3qSHGqUHGqVS MAINTENANCE 2A2.5 Air CleanerReplace the air filter cartridge when yellow indicator ofthe Engine Air Filter Gauge reaches the red line.The air cleaner assembly contains a one-piece singleelement air filter cartridge (c).To replace the air filter cartridge:• remove the end cover (d), then discard the entire airfilter cartridge.• Insert a new air filter cartridge, then• re-install the end cover, making sure that the dust cap(e) is clean and is pointing downward.1028SD61e2.4 Resetting the Periodic Maintenance TimerAfter maintenance has been performed on the generator, it is necessary to reset the periodic maintenance timer.• If the periodic maintenance timer is at zero, press the ENG. HRS switch UP and hold until the “TIME TO SERVICE”resets to 250 hours.• If the service time is greater than zero (maintenance was performed prior to the timer running out) press and holdthe ENG. HRS switch UP and hold for 30 seconds. This will reset the “TIME TO SERVICE” to 250 hours.Periodically, make sure the inlet pipe (f) is free fromobstructions.Check all connections and make sure they are snug. Anair leak at the neck clamp, gauge connection, or intakepipe can quickly lead to expensive engine repairs.• Make sure that the intake piping (a) is fully engagedover the neck of the filter to ensure a good seal.• If the filter housing, gauge connection (b), neck, orinlet pipe are crushed or damaged, replace themimmediately.