BENDIX EC-13 TRAILER ANTILOCK CONTROL Handmatig - Pagina 6

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EC-13

™

Controller

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M-12R

Modulator

(Remote

Mount)

FIGURE 6 - EC-13

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CONTROLLER AND M-12R

MODULATOR ASSEMBLY

3. Road test the trailer by making an antilock stop from a

vehicle speed of 20 miles per hour. When an antilock

stop is made, the modulator solenoids pulsate and an

audible burst of air can be heard. The wheels should

not enter a prolonged "lock" condition.

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

components and kits. Replacement hardware,

tubing, hose, ﬁ ttings, etc. must be of equivalent

size, type and strength as original equipment and

be designed speciﬁ cally 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 speciﬁ cally 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.

11. For vehicles with Antilock Traction Control (ATC),

the ATC function must be disabled (ATC indicator

lamp should be ON) prior to performing any vehicle

maintenance where one or more wheels on a drive

axle are lifted off the ground and moving.

REMOVING EC-13

Locate the EC-13

if it is mounted on a modulator (e.g. M-12

remote mounted to a trailer frame member using a bracket.

Use the appropriate removal procedure below.

Removing the EC-13

1. Identify and remove all air lines connected to the

M-12

2. Disconnect the electrical connector (on the vehicle

wiring harness) from the EC-13

3. Note and mark the mounting position of the MC-13

modulator - controller assembly on the trailer. Loosen,

remove and save the nuts on the mounting hardware

that attaches the MC-13

to the trailer. Remove the MC-13

assembly from the trailer.

4. Remove as much contamination as possible from

the exterior of the assembly making sure to keep the

contamination away from the open ports.

5. Note and mark the position of the EC-13

relative to the M-12

four hex cap screws that secure the EC-13

to the M-12

controller from the M-12

the wire harness that connects both units electrically.

Disconnect the wire harness by separating the four pin

connector at the EC-13

the EC-13

for reuse. Note: Use a new gasket if damaged during

removal or if a new gasket is immediately available.

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CONTROLLER ASSY

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controller on the trailer and determine

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Controller and M-12

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modulator.

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modulator controller bracket

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modulator. Remove and retain the

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modulator. Carefully separate the EC-13

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modulator enough to expose

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controller. Peel the gasket from

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controller or M-12

replacement parts,

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modulator) or is

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Modulator:

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controller.

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modulator - controller

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controller

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controller

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modulator and retain