16
SAFE MAINTENANCE PRACTICES
WARNING! PLEASE READ AND FOLLOW
THESE INSTRUCTIONS TO AVOID
PERSONAL 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
parking 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
working 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
electrically charged components.
3. Do not attempt to install, remove, disassemble or
assemble a component until you have read and
thoroughly understand the recommended
procedures. 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
systems, 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.
5. Following the vehicle manufacturer’s
recommended procedures, deactivate the electrical
system in a manner that safely removes all
electrical power from the vehicle.
6. Never exceed manufacturer’s recommended
pressures.
7. Never connect or disconnect a hose or line
containing pressure; it may whip. Never remove a
component or plug unless you are certain all
system pressure has been depleted.
8. Use only genuine Bendix
®
replacement parts,
components and kits. Replacement hardware,
tubing, hose, fittings, etc. must be of equivalent
size, type and strength as original equipment and
be designed specifically for such applications and
systems.
9. Components with stripped threads or damaged
parts should be replaced rather than repaired. Do
not attempt repairs requiring machining or welding
unless specifically stated and approved by the
vehicle and component manufacturer.
10. Prior to returning the vehicle to service, make
certain all components and systems are restored
to their proper operating condition.
REMOVING THE EC-30
™
CONTROLLER
ASSEMBLY
1. Turn vehicle ignition off.
2. Remove as much contamination as possible prior to
disconnecting air lines and electrical connections.
3. Note the EC-30
™
controller assembly mounting position
on the vehicle.
4. Disconnect the electrical connectors from the EC-30
™
controller.
5. Remove the four, hex head bolts that secure the EC-30
™
controller.
6. If the EC-30
™
controller is mounted on a valve assembly,
it may be necessary to remove all air lines connected to
the unit. Remove the EC-30
™
controller assembly from
the vehicle by removing the mounting bracket or valve.
7. The original mounting hardware can be reused for
installation if it is in good condition. If replacement bolts
are needed, grade 5 bolts or stronger are required.
INSTALLING A NEW EC-30
™
CONTROLLER
CAUTION! When replacing the EC-30
™
controller, verify
that the unit you are installing has the correct default settings.
Failure to do so could result in a loss of features, such as
ATC and PLC, or noncompliance with U.S. regulations such
as FMVSS 121. It is recommended to use only the correct
replacement part number. However, most configuration
settings can be altered using the Bendix ABS Diagnostic
Software program.
Verify correct operation of the EC-30
™
controller system and
warning lamps prior to putting the vehicle back into service.
Towing vehicles manufactured after March 1, 2001 must
support the trailer ABS warning lamp located on the dash.
For further information, contact either the vehicle
manufacturer, Bendix or your local authorized Bendix dealer.
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