B. References
(1)
AMM 20-10-07/201, Electrical Systems
(2)
AMM 24-22-00/201, Electrical System
(3)
AMM 24-31-00/001, Electrical System
C. Access
(1) Location Zone
100 Upper Half of the Fuselage
D. Prepare for the Test
S 865-001
(1)
Supply electrical power (AMM 24-22-00/201).
S 865-002
(2)
On each service unit, release the test stop button (Fig. 501):
(a)
Use a small flat tool and carefully push the test stop button down.
(b)
Hold the button and pull it down to the limit of travel.
(c)
Turn the button counterclockwise 90° to the test position.
S 865-006
(3) Close these circuit breakers:
(a) P6 Panel - INDICATOR MASTER DIM BUS
1) BAT
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A 737-300/400/500MAINTENANCE MANUAL
DEPLOYMENT OF THE TEST STOP BUTTON
(CLOSED POSITION)
LATCH ACTUATOR PLUNGER IN THE SET POSITION BEFORE THE MASK BOX DOOR IS CLOSED
Mask Box Door Operation Figure 501
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2) NO. 1 DC
3) NO. 2 DC
4) SECT 1
5) SECT 2
6) SECT 3
7) SECT 4
8) SECT 5
9) SECT 6
10) DIM & TEST
(b)
P6 Panel - MASTER CAUTION
1) AIR COND
2) ANTI-ICE
3) FUEL
4) ANNUNCIATOR NO. 1
5) ANNUNCIATOR BAT
(c)
P18 Panel - OXYGEN SYSTEM PANEL
1) IND
2) MANUAL CONTROL
3) PASS R
4) PASS L
E. Procedure
S 865-068
(1) Clear the Master Caution system.
(a)
On the P7 lightshield, push one of the two MASTER CAUTION annunciators.
(b)
If the MASTER CAUTION OVERHEAD annunciator light does not stay on, go to the step: Simulate 14,000 Feet Altitude.
(c)
If the MASTER CAUTION OVERHEAD annunciator light stays on, examine the OVERHEAD annunciator lights for the subsequent status: 1) EMR EXIT - light "OFF" 2) EQUIPMENT COOLING SUPPLY - light "OFF" 3) EQUIPMENT COOLING EXHAUST - light "OFF" 4) LAVATORY INDICATION - SMOKE light - "OFF" (if installed) 5) SYSTEM FLIGHT RECORDER - light "OFF"
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A
737-300/400/500MAINTENANCE MANUAL
6) PASS OXYGEN, PASS OXY ON light - "OFF"
(d)
For annunciators that remain on, put that system to the normal operating condition.
(e)
Make sure that the OVERHEAD annunciator for that system on the P7 lightshield is OFF.
(f)
To clear all OVERHEAD annunciators, use the previous two steps.
S 865-069
(2)
On the P7 lightshield, push one of the two MASTER CAUTION
annunciators.
S 215-018
(3)
Make sure that the MASTER CAUTION lights and the OVERHEAD
annunciator light do not stay on.
F. Simulate 14,000 Feet Altitude 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 氧气 OXYGEN(38)
