S 865-138
(2)
Hold the WING ANTI-ICE WINDOW/PROBE HEAT test switch on the right sidewall panel, P61, in the WING ANTI-ICE position. Start the operation of the timing device at the same time.
S 215-014
(3)
Make sure the L VALVE light comes on, and the EICAS message L WING ANTI-ICE shows on the EICAS display.
NOTE: The EICAS message will show in 2 to 3 seconds.
____
S 215-015
(4) Make sure the pressure gage shows 13-20 psig.
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WING AND ENGINE BLEED AIR ANTI-ICE SUPPLY MODULE
P61 PANEL
WING AND ENGINE ANTI-ICE CONTROL PANEL
DUCT
LEAK a
BLEED a
HI STAGE a
DUCT
LEAK a
BLEED a
HI STAGE a
C
Wing TAI Control
Figure 501
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SEE A
PRESSURE SENSE TEST PORT
WING TAI VALVE SEE B
A
LOCKED CLOSED
NOT LOCKED
LIFT & ROTATE 90` CW TO LOCK VALVE CLOSED
WING TAI VALVE B
Wing TAI Valve Figure 502
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(5) S 215-035Make sure the L VALVE light on the P5 panel goes off, and the EICAS message L WING ANTI-ICE does not show after approximately 12 seconds.
(6) S 865-139Release the WING ANTI-ICE WINDOW/PROBE HEAT test switch.
S 045-004
WARNING: PREPARE THE SAFETY-SENSITIVE SYSTEMS FOR THE AIR MODE BEFORE
_______ YOU OPEN THE AIR/GROUND CIRCUIT BREAKERS. IN THE AIR MODE, MANY OF THE AIRPLANE SYSTEMS CAN OPERATE AND CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
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本文链接地址：757 AMM 飞机维护手册 防冰和排雨 CHAPTER 30 - ICE AND RAIN PROTECTION(13)
