BENDIX DV-2 Сервісні дані - Сторінка 3

Переглянути онлайн або завантажити pdf Сервісні дані для Блок управління BENDIX DV-2. BENDIX DV-2 4 сторінки. Automatic reservoir drain valve

Figure 2 – No Air Pressure Applied

Figure 4 – Inlet and Exhaust Valve Closed

Upon investigation, parts showing signs of wear or

deterioration should be replaced.

Also, if there is a filter screen in the adapter fitting it should

be removed and discarded.

SERVICE CHECKS

OPERATING TEST

With the system charged, make several foot valve

applications while an observer verifies that an exhaust

of air occurs from the drain valve during each foot valve

application. If no air comes out, actuate the wire stem. If

air still does not come out, there may be a plugged filter

in the adapter which should be removed and discarded.

Figure 3 – System Charged - Inlet Valve Opens

Figure 5 – Exhaust Valve Opens

LEAKAGE TEST

With system charged and pressure stabilized in system,

there should be no leaks at the drain valve exhaust. A

constant slight exhaust of air at the drain valve exhaust

could be caused by excessive leakage in the air brake

system or contamination.

If the drain valve continues to exhibit leakage at the

exhaust – after inspection and verification of the air brake

system – move the wire stem in the exhaust port upward

to assist with seating the valve in the exhaust port and/or

clearing contamination.

If the Bendix

DV‑2

automatic drain valve does not

™

function as described, or if leakage is excessive after

repeated attempts to reset the valve, it is recommended

that it be replaced with a new or remanufactured unit or

repaired with genuine Bendix

parts.