BENDIX DUAL RELAY VALVE 매뉴얼 - 페이지 4

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4. Charge the air system to governor cutout. While

observing both test gauges, make, hold and release

several brake applications at various pressures.

Delivery port (22) pressure should rise to the pressure

indicated below (+/- 5 psi) and promptly return to zero

pressure upon release of the brake valve.

Primary Control (41)

20 psi

40 psi

60 psi

100 psi

5. UNPLUG the line leading to the secondary control port

42.

6. Remove the gauge from the line leading to the primary

control port 41. Remove and PLUG the line leading to

the primary control port 41.

7. Install the gauge in the line leading to the secondary

control port 42 and reinstall the line in port 42.

8. Charge the air system to governor cutout. While

observing the test gauges installed in the secondary

control line leading to port 42 and delivery port 22 make,

hold, and release several brake applications at various

pressures. Delivery port 22 pressure should rise to the

pressure indicated below (+/- 5 psi) and promptly return

to zero pressure upon release of the brake valve.

Secondary Control (42)

20 psi

40 psi

60 psi

100 psi

Delivery port (22)

20 psi

40 psi

60 psi

100 psi

Delivery port (22)

10 psi

30 psi

50 psi

95 psi

9. Remove the gauge from the secondary control line

leading to port 42.

10. UNPLUG and reconnect the primary control line leading

to port 41.

11. Remove the gauge from the line leading to the delivery

port 22.

12. Make certain all lines and ﬁ ttings are returned to their

original pretest positions and tightened sufﬁ ciently to

prevent leakage. Make and hold a full brake application

and test all lines and ﬁ ttings for leakage and note that

the Dual Relay Valve is operating correctly.

If the valve does not function as described or if leakage is

excessive, replace the Dual Relay Valve with a genuine

Bendix replacement.