User's Manual

3
<Part Number>
<Serial Number>
(Air Disc Brake Label)
Bendix TechTeam Help Line: 1‑800‑AIR‑BRAKE,
(1‑800‑247‑2725), option 2‑1. Mon. ‑ Fri., 8 a.m. ‑ 6 p.m.
Reference Document:
Service Data: SD‑23‑7541 Bendix
®
ADB 22X
™
, ADB 22X‑V
™
Air
Disc Brakes. Go to the document library at www.bendix.com for
free downloads of Service Data Sheets and warranty policies.
VIN #: _________________________________ Claim #: _______________________
Vehicle Make: ___________________________ Vehicle Model: __________________
Inspect
the
actuator.
On level ground, with the wheels chocked, cage the spring brake actuator
(if equipped) per the manufacturer’s guidelines, remove and inspect the actuator.
• Is there visible damage?
• In the installed position, was the lowest drain plug sealed?
• Is the seal in poor condition/damaged?
• Does the push‑rod extend further than 15 mm from the mounting face?
With the actuator removed, inspect
the internal caliper surfaces through
the actuator push rod opening.
• Is there visible damage, rust, water?
• With the pads removed, use a screw driver to depress the lever.
Does the lever have a restricted range of motion? (The lever
must touch the caliper body when fully retracted.)
Are
any of
these conditions
found?
Are
any of
these conditions
found?
YES
YES
Service the actuator.
(Not a Thermal Overload warranty condition.)
Replace the caliper. Inspect the rotor.
(Not a Thermal Overload warranty condition.)
No Section Two external causes found? Replace the caliper.
Where applicable, process a thermal overload warranty claim.
SECTION TWO Continued
NO
NO
Actions When Replacing a Caliper
Replacement:
c
Replace the caliper on the affected wheel end and all the pads at both ends of
the axle.
c
Inspect the rotor according to the guidelines in Service Data sheet SD‑23‑7541.
If the brake assembly is still under warranty coverage:
c
File a claim. Clearly state the claim is for a single axle thermally overloaded brake.
The claim must include photographs of the rotor from both ends of the affected axle.
c
Return the caliper from the affected wheel end, and label the caliper with the claim
number.
c
Return the pads from both sides of the affected axle (LH and RH set of pads).
Please clearly label the parts with the wheel position and claim number.
c
Please include this completed checklist, the photographs of the rotors, and a copy
of the warranty claim with the returned parts.
Bendix
®
ADB22X
®
Air Disc Brake
Replacement Part Numbers
Caliper/Carrier
Axial Bolt
12 degree
Right Fixed Pin K081142
Left Fixed Pin K081143
Vertical Bolt
12 degree
Right Fixed Pin K081256
Left Fixed Pin K081257
Left Fixed Pin Right Fixed Pin
Please note that replacement caliper/carrier bolts (available
from the vehicle manufacturer) are recommended.
Caliper Only
12 degree
Right Fixed Pin K081258
Left Fixed Pin K081259
Caliper Part Number: _________________
Caliper Serial Number: _________________
Where other external causes
were found, perform service
and exit this owchart.
Mileage: ____________________