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(6)
Put the computer select switch on the EICAS control panel (panel P9) in the AUTO position.
S 215-008
(7)
Make sure the EICAS message, PROBE HEAT, shows on the top EICAS display (panel P2).
S 215-009
(8)
Make sure these EICAS messages do not show on the EICAS display:
(a)
CAPT PITOT HEAT
(b)
L AUX PITOT HEAT
(c)
F/O PITOT HEAT
(d)
R AUX PITOT HEAT
D. Do a Test of the Pitot Probe Heat Systems
S 865-010
WARNING:_______DO NOT TOUCH THE PROBES DURING THE TEST. THE PROBES BECOME VERY HOT AND CAN BURN YOU.
CAUTION: DO NOT OPERATE THE PROBE HEAT FOR MORE THAN 10 MINUTES.
_______
DAMAGE TO THE PROBE CAN OCCUR.
(1)
Push and hold the WING ANTI-ICE WINDOW/PROBE HEAT test switch on the M10398 test panel (P61), in the WINDOW/PROBE HEAT position.
S 215-011
(2)
Make sure that the CAPT PITOT, L AUX PITOT, F/O PITOT, and R AUX PITOT annunciator lights are off.
S 215-012
(3)
Make sure that the EICAS messages, CAPT PITOT HEAT; L AUX PITOT HEAT; F/O PITOT HEAT; and R AUX PITOT HEAT, do not show on the EICAS display.
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(4) Do the steps that follow to do a check of the pitot heat EICAS messages:
(a) Open each of the given circuit breakers on the main power distribution panel, P6 and make sure the correct EICAS message shows and the annunciator light is on:
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~.................................................................. | | EICAS MESSAGE AND | | CIRCUIT BREAKER | ANNUNCIATOR | .................................................................... | 6L13,6L14,6L15, PITOT HEAT CAPT MAIN | CAPT PITOT | .................................................................... | 6L14,6L15 or 6L16, PITOT HEAT L AUX | L AUX PITOT | .................................................................... | 6L21, PITOT HEAT R AUX | R AUX PITOT | .................................................................... | 6L22, PITOT HEAT F/O MAIN | F/O PITOT | 2.......................................…..........................1 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 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(91)
