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2 Pad replacement
Do not use excessive force but ensure they are pushed to the
bottom of the slot. Fig. 13
Refit both pad springs ensuring that they are correctly located in
the pad back plates. Fig. 14
Ensure that the wires exit to the back of the pad. Insert the pad
retaining plate together with the PWWI assembly into the slot in
the brake housing.
Refit the pad retaining screw and torque to 33-40Nm. Fig. 15
Reconnect the PWWI to vehicle wiring harness.
To adjust the brake locate a 10mm socket on the adjuster stem
(17) and turn it clockwise viewed from the air actuator side.
Continue to adjust the brake until the pads lightly grip the rotor.
De-adjust the brake by 1/2 a turn of the spanner, this should give
a nominal 1mm pad to rotor clearance.
Ensure the rotor is free to turn.
WARNING
Do not exceed 40Nm torque on the adjuster stem.
Charge the air system and apply the brakes 5 times to settle the
pads and allow the automatic adjuster to set the correct running
clearance.
Check that the rotor is free to rotate.
Fig. 13
Fig. 14
Fig. 15
ArvinMeritor Air Disc Brake ELSA 195
19
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