Section 03: FUEL SYSTEM
PA1562
17
Install cleaner element as follows:
1. Inspect the gasket-sealing surface inside the
air cleaner. It must be smooth, flat and clean;
2. Install the air cleaner element;
3. Make sure that the element seals securely;
4. Inspect element cover gasket and replace if
necessary.
Whenever it becomes necessary to remove the
air cleaner assembly (dry type) for maintenance
or other repair in this area, great care should be
taken when installing air cleaner assembly.
The pre-filter should be installed snugly in the air
duct and clamped tightly to the air cleaner inlet
to prevent any dust infiltration into the air
cleaner.
8.3 GENERAL RECOMMENDATIONS
The following maintenance procedures will
ensure efficient air cleaner operation:
1. Keep the air cleaner housing tight on the air
intake pipe;
2. Make sure the correct filters are used for
replacement;
3. Keep the air cleaner properly assembled so
the joints are air-tight;
4. Immediately repair any damage to the air
cleaner or related parts;
5. Inspect, clean or replace the air cleaner or
elements as operating conditions warrant.
Whenever an element has been removed
from the air cleaner housing the inside
surface of the housing must be cleaned with
a soft clean cloth;
6. Periodically inspect the entire system. Dust-
laden air can pass through an almost
invisible crack or opening which may
eventually cause damage to an engine;
7. Never operate the engine without an element
in the air cleaner assembly;
CAUTION
Do not ignore the Warning given by the air
restriction indicator. This could result in
serious engine damage.
8. Store new elements in a closed area free
from dust and possible damage.
8.4 AIR CLEANER RESTRICTION INDICATOR
A resettable restriction indicator may be installed
on the engine air-intake duct, clearly visible from
the rear engine compartment. The indicator
monitors the vacuum level between the air filter
and the engine. A red marker is displayed when
the air filter is clogged and must be replaced.
Reset by pressing on the indicator's extremity.
FIGURE 19: RESTRICTION INDICATOR 01052
9. FUEL COOLER – DETROIT DIESEL
SERIES 60 ONLY
The fuel cooler serves to cool the surplus diesel
fuel after it has exited the cylinder head, on its
way back to the fuel tank. It is accessible
through the engine radiator door, and is located
in front of the charge air cooler (CAC) and the
coolant radiator (Fig. 21 & 22).
FIGURE 20: FUELRETURN LINE 03078
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