Bendix Commercial Vehicle Systems AF-3 INLINE FILTER 5/04 User Manual

Af-3, In-line filter

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1

®

SD-08-2401

Bendix

®

AF-3

In-Line Filter

FIGURE 1 -

AF-3

IN-LINE FILTER SECTIONAL AND EXTERIOR VIEW

SUPPLY

DELIVERY

SCREEN

DIRECTIONAL ARROW -

INDICATES AIR FLOW

1/4" NPT

SUPPLY

1/4" NPT

DELIVERY

DESCRIPTION

GENERAL
The AF-3

in-line filter assembly is designed to prevent

foreign material from entering the control port of the Trailer
ABS modulator or spring brake relay. The filter body is made
of steel with an internal screen element of stainless steel held
in place by a spring. The filter is capable of removing particles
0.012 inches in size or larger. The filter has a ¼ NPT female
supply port and a ¼ NPT male delivery port. Note: If the
filter is installed in the reversed direction, its filtering
capability will be reduced.

WARNING! PLEASE READ AND FOLLOW
THESE INSTRUCTIONS TO AVOID PER-
SONAL INJURY OR DEATH:

When working on or around a vehicle, the following
general precautions should be observed at all times.
1. Park the vehicle on a level surface, apply the park-

ing brakes, and always block the wheels. Always
wear safety glasses.

2. Stop the engine and remove ignition key when

working under or around the vehicle. When work-
ing in the engine compartment, the engine should
be shut off and the ignition key should be removed.
Where circumstances require that the engine be
in operation, EXTREME CAUTION should be used
to prevent personal injury resulting from contact
with moving, rotating, leaking, heated or electri-
cally charged components.

3. Do not attempt to install, remove, disassemble or

assemble a component until you have read and
thoroughly understand the recommended proce-
dures. Use only the proper tools and observe all
precautions pertaining to use of those tools.

4. If the work is being performed on the vehicle’s air

brake system, or any auxiliary pressurized air sys-
tems, make certain to drain the air pressure from
all reservoirs before beginning ANY work on the
vehicle. If the vehicle is equipped with an AD-IS

air dryer system or a dryer reservoir module, be
sure to drain the purge reservoir.

SPRING

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