DETROIT DIESEL 53
Air Cleaner 3.1
The remainder of the air in the cleaner reverse, direction
6. Install the element on the base with the gasket side
and spirals back along the discharge tubes again
of the element down against the base. Place the body
centrifuging the air. The filtered air then reverses
over the element and the base and tighten the spring
direction again and enters the replaceable filter element
clamps by hand.
through the center portion of the discharge tubes. The
air is filtered once more as .t passes through the pleats
Replace the element after 10 washings or I year of
of the impregnated paper element before leaving the
service, whichever comes first, or any time damage is
outlet port of the cleaner housing.
7. Install the dust unloader and tighten the clamp.
FARR AIR CLEANER
The cleaner panel tends to be self-cleaning. However, it
should be inspected and any accumulated foreign
The Farr dry type air cleaner illustrated in Fig. 6 is
material removed during the periodic replacement of the
designed to provide highly efficient air filtration under all
impregnated paper filter element. Overloading of the
operating conditions and is not affected by engine
paper element will not cause dirt particles to bypass the
speed. The cleaner assembly consists of a cleaner
filter and enter the engine, but will result in starving the
panel with a replaceable impregnated paper filter
engine for air.
Replace the filter element as follows:
The cleaner panel and replaceable filter element are
1. Loosen the wing nuts on the fasteners and swing the
held together in a steel housing with fasteners.
retaining bolts away from the cleaner panel.
2. Lift the cleaner panel away from the housing and
inspect it. Clean out any accumulated foreign material.
The deflector vanes impart a swirling motion to the air
entering the air cleaner and centrifuge the dust particles
3. Withdraw the paper filter element and discard it.
against the walls of the tubes. The dust particles are
then carried to the dust bin at the bottom of the cleaner
4. Install a new filter element.
by approximately 10% bleed-off air and are finally
discharged into the atmosphere.
5. Install the cleaner panel and secure it in place with
The cleaner panel is fully effective at either high or low
1970 General Motors Corp.
SEC. 3.1 Page 5