BENDIX TCH-008-012 User Manual
Technical
Bulletin
Bulletin No.: PRO-08-12
Effective Date: 5/31/94
Cancels: PRO-08-12 dated 3/1/91
Page: 1 of 5
Subject:
Air Dryer Installations – European Vehicles W/
Compressor Discharge Line Unloader System
Attachments: Schematics for AD-2, AD-4 & AD-9
THIS BULLETIN CONTAINS REVISED INFORMATION AND SUPERSEDES ALL
PREVIOUS BULLETINS ON THE SAME SUBJECT!
The Bendix AD-2, AD-4, and AD-9 DLU (Discharge Line Unloader) Air Dryers CAN be
installed on European and other overseas vehicles that utilize a Discharge Line
Unloader Valve instead of the domestic type Governor and compressor Unloader
mechanism.
installed on European and other overseas vehicles that utilize a Discharge Line
Unloader Valve instead of the domestic type Governor and compressor Unloader
mechanism.
IMPORTANT
AD-2 Any AD-2 Air Dryer part number may be used in the attached AD-2 installation
schematic.
AD-4 Any AD-4 Air Dryer part number may be used in the attached AD-4 installation
schematic.
AD-9 Only part numbers 065499 (12v heater) and 065605 (24v heater) may be used in
the attached AD-9 DLU installation schematic. These part numbers were
released in 1994 for this specific purpose. Only these AD-9 DLU part numbers
may be used for this installation. They are identified with the letter “U” embossed
in the metal on the flat area next to the heater and thermostat connector and with
a metal identification tag installed under one of the end cover nuts.
released in 1994 for this specific purpose. Only these AD-9 DLU part numbers
may be used for this installation. They are identified with the letter “U” embossed
in the metal on the flat area next to the heater and thermostat connector and with
a metal identification tag installed under one of the end cover nuts.