BENDIX M-21-M-22 ANTILOCK MOD ASSY Instrukcja Obsługi Pobierz pdf (Strona 24)

EC-16 CONFIGURATION DISPLAY

1. Turn the ignition ON.

2. All LEDs will illuminate, then go out.

Air Brake System

Revised 11/15/99

Troubleshooting Guide

Air Dryer

Condition Possible Cause Remedy/Recommendation

Air Dryer is constantly Excessive system leakage Check for system leakage

cycling or purging and repair.

Excessive leakage in Test for leakage at fittings,

fittings, hoses, and tubing moisture ejector valve

connected to compressor, (if used), and safety valve

air dryer and main supply in the main supply reservoir

reservoir. using soap solution. Repair

or replace as necessary.

Faulty internal check valve. Test check valve. Build

system pressure to governor

cut out. Wait 2 minutes for

completion of purge cycle.

Using soap solution at

exhaust, check for leakage.

It should not exceed a

25 mm (1-inch) bubble in

5 seconds. Replace air dryer.

Faulty governor. Check governor for proper

cut-in or cut-out pressures

and excessive leakage in

both positions.

Leaking purge valve in Check air dryer for leaking

air dryer. purge valve. Refer to the

Medium Duty Truck Unit

Repair Manual. Replace if

necessary.

Compressor unloader Remove air strainer or

mechanism leaking. fitting from compressor inlet

cavity. With compressor

unloaded, check for

unloader piston leakage.

Slight leakage is permissible.

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BENDIX M-21-M-22 ANTILOCK MOD ASSY Instrukcja Obsługi Strona 24