(d)
Make sure the BIT 9 light on the portable tester is off.
(e)
Remove the ground from pin A on electrical connector D776.
(f)
Make sure the BIT 9 light on the portable tester is on.
(3)
Put the electrical connector D776 to its usual condition.
S 865-409
(4)
If you will do no more tests, then do this task:
"Put the Airplane to its Usual Condition."
S 865-410
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
BEJ 101-112, 114-999; ú 31-24-02
ú ú 06 Page 543 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
TASK 31-24-02-735-314
36. EFIS Transfer Switch Signals Test_________________________________
A. Access
(1) Location Zones
101 Control Cabin - Left
102 Control Cabin - Right
B. Procedure
S 865-315
(1)
Make sure you did the Prepare For Input Parameter Test task.
S 735-316
(2)
Do this test of the signals from the EFIS transfer switch.
(a)
Set the portable tester to SUBFRAME 2, WORD 21.
(b)
Make sure the EFIS switch is in the NORM position.
(c)
Make sure the BIT 1 light on the portable tester is off.
(d)
Set the EFIS transfer switch to the BOTH-ON-2 position.
(e)
Make sure the BIT 1 light on the portable tester is on.
(f)
Put the EFIS transfer switch to the NORM position.
S 865-317
(3) If you will do no more tests, then do this task: "Put the Airplane to its Usual Condition."
TASK 31-24-02-735-632
37. Fire Warning Signals Test_________________________
A. Access
(1) Location Zones
101 Control Cabin - Left
102 Control Cabin - Right
B. Procedure
S 865-422
(1)
Make sure you did the Prepare For Input Parameter Test task.
S 865-423
(2)
Open these circuit breakers:
(a) P6-2 Panel 1) FIRE PROTECTION DETECTION APU 2) FIRE PROTECTION DETECTION ENG 1 3) FIRE PROTECTION DETECTION ENG 2
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù.
BEJ 101-112, 114-999; ú 31-24-02
ú ú 13 Page 544 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
S 735-411
(3) Do this test of the fire signals from the wheel well: (a) Set the portable tester to SUBFRAME 0, WORD 29. (b) Set and hold the FAULT/INOP--OVHT/FIRE switch in the OVHT/FIRE position. (c) Make sure the wheel well light is on. (d) Make sure the BIT 4 light on the portable tester is on. (e) Release the FAULT/INOP--OVHT/FIRE switch. (f) Make sure the wheel well light is off. (g) Make sure the BIT 4 light on the portable tester is off.
S 865-412
(4) Open this circuit breaker: (a) P6-2 Panel 1) OVHT WHL WELL WING BODY
S 865-413
(5) Close this circuit breaker: (a) P6-2 Panel 1) FIRE PROTECTION DETECTION APU
S 735-414
(6) Do this test of the fire signals from the APU: (a) Set the portable tester to SUBFRAME 0, WORD 29. (b) Set and hold the FAULT/INOP--OVHT/FIRE switch in the OVHT/FIRE position. (c) Make sure the APU fire light is on. (d) Make sure the BIT 10 light on the portable tester is on.
NOTE:____ The APU fire light flashes. The BIT 10 light on the portable tester will only be on when the APU fire light is on.
(e) (f) (g) Release the FAULT/INOP--OVHT/FIRE switch.Make sure the APU fire light goes out.Make sure the BIT 10 light on the portable tester is off.
S 865-415
(7) Open this circuit breaker: (a) P6-2 Panel 1) FIRE PROTECTION DETECTION APU
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-300 400 500 AMM 飞机维护手册 仪表 INSTRUMENTS(74)
