Creation: 01.31 - 2014 2-1-4
(1) Lubrication Schedule
The time schedules indicated in Chart 1 are approximate. They are based on average
operating conditions. It may be necessary to reduce the intervals shown when operating the
GPU under harsh operating conditions, such as low engine temperatures, heavy loads, and
high oil temperatures, intermittent operation, or operation in dusty environments.
(2) Engine Oil Specification
Information on engine oil specification is contained in the Manufacturer's Literature in Chapter
5. The use of the proper engine oil is critical in Tier 4 engines to ensure a long life of the
catalyst.
(3) Oil Viscosity
The use of 15W-40 grade oil is recommended for year-round service. Additional information
is contained in the Engine Manufacturer's Manual, in Chapter 5.
(4) Changing Engine Oil
Follow the instructions contained in the Manufacturer’s Manual.
(5) Changing Engine Oil Filter
Follow the instructions in the Manufacturer's Manual.
C. Air Cleaner Maintenance
The air filter contains a replaceable element (refer to Chart 1). A definite time schedule for
changing the element cannot be determined because of varying operating conditions. Check the
filter daily and change the element as required.
(1) Air Filter Replacement
(a) Turn off the unit battery switch and open the doors on the left side of the unit.
(b) Remove the rear half of the air filter housing by rotating the end cap to the ‘unlock’
position (Tier3) or unclipping two latches on the air filter housing (Tier 4).
(c) Remove the air filter element and discard. Clean out the dust trap on the air filter.
(d) Install a new air filter element.
(e) Reinstall the rear half of the air filter housing and secure it by rotating the end cap to the
‘lock’ position (Tier 3) or snapping in two latches (Tier 4)
(f) Close the doors on the unit.
CAUTION:
DO NOT ATTEMPT TO CLEAN OR REUSE THE AIR FILTER
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