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24. SERVICE PROCEDURE
24.10 PERIODIC
24.10.1
CLEAN AIR CLEANER ELEMENTS
24.10.1 .I
GENERAL
This machine is equipped with a dry-type air cleaner with replaceable
filter
elements. The air cleaner has two elements, a primary and a safety. The primary
element can be cleaned for a limited number of times before replacement
is
necessary, however, the safety element must be replaced when plugged. De-
tailed service procedures for this air cleaner are covered in the following text.
24.10.1.2
PRECAUTIONS
As a precaution against dirt entering the engine:
+
Make sure the air cleaner connections
and the turbocharger
mounting
gaskets are in good condition and all joints and connections
are tight.
+
Never operate the engine unless a filter element is in place and the filter end
cover gasket is installed.
+
Never remove the element from the air cleaner while the engine is running.
24.10.1.3
PRIMARY FILTER ELEMENT
24.10.1.3.1
Service
The air cleaner primary element must be serviced whenever indicated by the air
cleaner filter service light. Refer to 11.2 GAUGES AND WARNING
LIGHTS.
After servicing the primary element, if the air cleaner filter service light continues
to operate, check the air inlet screen or precleaner tubes for obstructions.
If
service
remains illuminated,
replace the safety element. After servicing
the
primary element and replacing the safety element, if the service light continues
to operate, replace the primary element too.
The primary element can be cleaned by either of two methods: washing
or
compressed air. Washing is the preferred method as it removes more dust and
soot and restores the element to an almost new condition. The result is better
performance
and longer intervals
between
required
element
service.
It is
suggested that a spare element be obtained for use while the serviced element
is drying.
REMARK
A filter element must be replaced after six washings or cleanings.
Cleaning the element with compressed air is not an entirely satisfactory method.
Some dust will remain in the element causing more frequent servicing of the
element. Use this method only as a temporary measure until time is available to
wash the element.
REMARK
After cleaning, if an element is to be stored for later use, place it in a plastic
bag and store in an element shipping container to protect against dirt and
damage.
1. Primary Filter Element
2. Safety Filter Element
3. Dust Vacuator Valve
3-50
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