The operation of a Perkins engine with an electronic
unit injector which is improperly adjusted may reduce
engine efficiency. This reduced efficiency may result
in excessive fuel usage and/or shortened engine
component life.
Note: Only qualified service personnel should
perform this maintenance.
Refer to the Systems Operation, Testing and
Adjusting, “Electronic Unit Injector - Test” for the test
procedure. Refer to Systems Operation, Testing and
Adjusting, “Electronic Unit Injector - Adjust” for the
adjustment procedure.
Refer to Disassembly and Assembly, “Electronic Unit
Injector - Remove” and Disassembly and Assembly,
“Electronic Unit Injector - Remove” for the removal
and installation of an injector.
NOTICE
The camshafts must be correctly timed with the
crankshaft before an adjustment of the lash for the
fuel injector is made. The timing pins must be re-
moved from the camshafts before the crankshaft is
turned or damage to the cylinder block will be the
result.
i06733463
Engine - Clean
Personal injury or death can result from high
voltage.
Moisture can create paths of electrical
conductivity.
Make sure that the electrical system is OFF. Lock
out the starting controls and tag the controls ““DO
NOT OPERATE”” .
NOTICE
Accumulated grease and oil on an engine is a fire
hazard. Keep the engine clean. Remove debris and
fluid spills whenever a significant quantity accumu-
lates on the engine.
Periodic cleaning of the engine is recommended.
Steam cleaning the engine will remove accumulated
oil and grease. A clean engine provides the following
benefits:
• Easy detection of fluid leaks
• Maximum heat transfer characteristics
• Ease of maintenance
Note: Caution must be used to prevent electrical
components from being damaged by excessive water
when the engine is cleaned. Pressure washers and
steam cleaners should not be directed at any
electrical connectors, or the junction of cables into
the rear of the connectors. Avoid electrical
components such as the alternator, the starter, and
the ECM. Protect the fuel injection pump from fluids
to wash the engine.
Ensure that care is taken that the safety labels,
emission label, and all other information labels are
not removed during engine cleaning.
i10085286
Engine Air Cleaner Element
(Dual Element) - Replace
NOTICE
Never run the engine without an air cleaner element
installed. Never run the engine with a damaged air
cleaner element. Do not use air cleaner elements
with damaged pleats, gaskets or seals. Dirt entering
the engine causes premature wear and damage to
engine components. Air cleaner elements help to pre-
vent airborne debris from entering the air inlet.
NOTICE
Never service the air cleaner element with the engine
running since this will allow dirt to enter the engine.
Servicing the Air Cleaner Elements
Note: The air filter system may not have been
provided by Perkins. The procedure that follows is for
a typical air filter system. Refer to the OEM
information for the correct procedure.
If the air cleaner element becomes plugged, the air
can split the material of the air cleaner element.
Unfiltered air will drastically accelerate internal
engine wear. Refer to the OEM information for the
correct air cleaner elements for your application.
• Check the precleaner (if equipped) and the dust
bowl daily for accumulation of dirt and debris.
Remove any dirt and debris, as needed.
• Operating in dirty conditions may require more
frequent service of the air cleaner element.
• The air cleaner element should be replaced at
least one time per year.
86
SEBU9074-06
Maintenance Section
Engine - Clean
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