BENDIX TR-3 Servicegegevens - Pagina 3

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NOTE: In the Bendix

TR-3

control pressure is reduced by decreasing supply

air pressure because of the internal passage

connecting supply and control.

If the Bendix

TR-3 inversion valve does not function as

described—or leakage is excessive—it is recommended

that it be replaced with a new valve or remanufactured unit.

The Bendix TR-2 valve can be serviced with a maintenance

kit or replaced with a new or remanufactured valve.

GENERAL SAFETY GUIDELINES

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

™

valve shown in Figure 3,

REMOVAL AND INSTALLATION

REMOVAL

Block and hold vehicle by means other than the air brakes.

Drain service and emergency or parking reservoirs.

Disconnect air lines from valve. Remove the mounting

bolts, remove valve.

INSTALLATION

Remount valve securely using holes provided in body.

Check and clean air lines and reconnect.

on the vehicle. If the vehicle is equipped with a Bendix

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

brand replacement parts, 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 Automatic 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.

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