S 982-080
(2)
Put an observer adjacent to the fan cowl panel in the area of the engine TAI valve (Fig. 202):
(a)
Left Engine 413AL
(b)
Right Engine 423AL
(3)
Push the applicable ENGINE ANTI-ICE switch to the ON position.
(4)
Stop for 10 seconds.
(5)
Push the applicable ENGINE ANTI-ICE switch to the OFF position.
S 862-081
S 862-082
S 862-083
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
30-21-99
ALL ú ú 01 Page 213 ú Sep 28/00
A
757 MAINTENANCE MANUAL
S 722-084
(6) The ground observer must hear the solinoid operate.
NOTE: If it is to noisey to hear the solinoid operate, it can be
____
necessary to open the cowl access panel.
NOTE: If the valve does not opearte, refer to the MEL
____ procedure, ENGINE ANTI-ICE VALVES (in this procedure), for operation of the airplane with the engine anti-ice valves locked in the open or closed position.
S 852-085
(7) Attach an "ENGINE ANTI-ICE VALVE LIGHT INOP" placard to the applicable light on the P5 Panel.
E. Put the Airplane Back to Its Usual condition.
S 862-087
(1)
Remove electrical power if it is not necessary (AMM 24-22-00/201).
(2)
Install all access panels you removed during this procedure.
S 412-086
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
30-21-99
ALL ú ú 01 Page 214 ú Sep 28/00
A
757
MAINTENANCE MANUAL
412AL 415DL 415CL 415BL 415AL
422AL 425DL 425CL 425BL 425AL
415GL 415HL
425GL 425HL
412BL
422BL
413AL
423AL
415JL
415KL 425JL
413BL 413CL 415FL 415EL 425FL
423BL 423CL 425FL 425EL
ENGINES NO. 1 LEFT AND NO. 2 RIGHT
RB211-535E4
LEFT SIDE VIEW
ENGINE THERMAL
ANTI-ICE (TAI)
DUCT (REF)
ENGINE THERMAL
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(85)
