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ABA - INSTALLATION INSTRUCTIONS
STEP 3. Secure adjuster to shaft with
snap ring. Install enough washers (per
TMC recommended practice) to reduce
end play to less than .060".
STEP 6A. With the S-ABA Model Brake Adjuster (shown in Figure 2), the control arm position can be set anywhere
within the slotted area of the bracket and the adjuster will function properly. Haldex recommends a "common position" for
all installations – all the way towards the axle, until the control arm comes to the end of the slotted bracket. This "common
position" should help to avoid confusion for the end user.
STEP 6B. With the AA1 Model Brake Adjuster
(Figure 1), rotate the control arm away from
adjustment hex, toward the air chamber until it
comes to an internal stop. The "Installation
Indicator" must fall within the slotted area with
the brake fully released. The view of the
indicator varies from side to side. Haldex AA1
Trailer Adjusters are unhanded and are used
on both axle sides.
STEP 1.
Assure brake chamber
push rods are fully
retracted. Mount slotted
adjustment plate, if
needed, to cam support.
Apply anti-seize type
lubricant to camshaft
splines. Torque anchor
plate fasteners per
torque chart included in
these instructions.
STEP 4. Rotate the 7/16" hex
clockwise to move adjuster into
clevis. (Do not pull push rod out to
meet clevis).
STEP 2.
Place at least one inner
cam washer on shaft then
install adjuster with the
7/16" adjusting hex pointing
away from the air chamber.
STEP 5. Coat clevis pin with
anti-seize type lubricant and
install. Secure clevis pin with
cotter pin.
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