(b)
11S23, LANDING GEAR POS SYS 2
S 215-024
(19)
Make sure the R AOA annunciator is off.
S 865-045
(20)
Remove the DO-NOT-CLOSE tag and close these circuit breakers on the P11 panel:
(a)
11C19, LANDING GEAR POS SYS 2 ALTN
(b)
11S23, LANDING GEAR POS SYS 2
S 865-026
(21)
Connect a jumper between the test receptacle J1 on the Left Engine Speed Card M10298 (P50 card file) and the airplane ground.
S 215-027
(22)
Make sure the L AOA and R AOA annunciators are off.
S 865-028
(23)
Remove the jumper lead.
S 215-029
(24)
Do the above three steps again for the Right Engine Speed Card M10311 (P50 card file).
E. Put the Airplane Back to Its Usual Condition
S 445-041
(1)
Put the safety-sensitive systems back to their initial conditions (Ref 32-09-02/201).
S 445-042
(2)
Do the activation procedure for the spoilers if you did the
deactivation procedure (Ref 27-61-00/201).
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MAINTENANCE MANUAL
S 865-030
(3) Remove electrical power if it is not necessary (Ref 24-22-00/201).
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2.
3.
757 MAINTENANCE MANUAL
TOTAL AIR TEMPERATURE PROBE HEAT - DESCRIPTION AND OPERATION
____________________________________________________________
General
_______
A. The total air temperature (TAT) probe is electrically heated to prevent erroneous readings due to ice conditions. TAT system components include: the TAT probe, the auxiliary annunciator panel, and the miscellaneous test panel.
B. System electrical power comes from the right main 28-volt dc bus and the right main 115-volt ac bus. Circuit breakers are on overhead circuit breaker panel P11, and main power distribution panel P6.
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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(100)
