2.....…..............…............…...........................................1
(f) Put the L PACK and R PACK switches to the OFF position.
S 285-126
(8) Do the Air/Ground Relay Test:
(a) Make sure that the CDU display shows the FMCS ANALOG DISC 1/3 page.
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE
_______ SLATS BEFORE YOU REMOVE ELECTRICAL POWER FROM THE AIR/GROUND RELAYS. THE SLATS CAN MOVE AUTOMATICALLY WHEN THE HYDRAULIC SYSTEM IS PRESSURIZED, TRAILING EDGE FLAPS ARE IN POSITION 1, 2, OR 5 AND THE NOSE OR MAIN LANDING GEAR AIR/GROUND RELAYS INDICATE AN AIRBORNE CONDITION. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(b) Open the LANDING GEAR AIR/GND RELAY & LIGHTS circuit breaker on the panel P6.
NOTE: You remove electrical power from the AIR/GROUND relays
____ when you open the LANDING GEAR AIR/GND RELAY & LIGHTS circuit breakers.
(c) Make sure the OLEO SWITCH output on the CDU display changes from GND to AIR.
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737-300/400/500MAINTENANCE MANUAL
(d) Close the LANDING GEAR AIR/GND RELAY & LIGHTS circuit breaker.
S 285-127
(9) Do the VHF Navigation AUTO/MAN Selection:
(a)
Make sure that the CDU display shows the FMCS ANALOG DISC 1/3 page.
(b)
Make sure the captain's and the first officer's HSI switches on the lightshield panel (P7) is in the NAV position.
(c)
Put the captain's and the first officer's AUTO/MAN switches on the aft electronic control panel (P8) to the MAN position.
(d)
Make sure the outputs on the FMCS ANALOG DISC 1/3 page are the same as the outputs shown below.
NOTE: The table below show the position of the AUTO/MAN
____ switches and the related CDU display.
~............................................................................. |TEST | SWITCH | SWITCH | CDY DISPLAY | |STEP | NAME | POSITION | LEFT RIGHT | ............................................................................... | 1 | AUTO/MAN | MAN | AUTO/MAN VOR MAN MAN | | | (CAPT & | | | | | F/O) | | | | | | | | | 2 | AUTO/MAN | MAN | AUTO/MAN DME MAN MAN | | | (CAPT & | | | | | F/O) | | | | | | | | | 3 | AUTO/MAN | AUTO | AUTO/MAN VOR AUTO MAN | | | (CAPT) | | | | | | | | | 4 | AUTO/MAN | AUTO | AUTO/MAN DME AUTO MAN | | | (CAPT) | | | | | | | | | 5 | AUTO/MAN | AUTO | AUTO/MAN VOR AUTO AUTO | | | (F/O) | | | | | | | | | 6 | AUTO/MAN | AUTO | AUTO/MAN VOR AUTO AUTO | | | (F/O) | | | 2.....…..............…............…...........................................1
(e) Make sure the FREQ AGIL DME output on the CDU display shows ON.
S 285-128
(10) Do the Power Management Control (PMC):
(a)
Make sure that the CDU display shows the FMCS ANALOG DISC 1/3 page.
(b)
Put the PMC-1 and PMC-2 switches on the aft overhead panel (P5) to the INOP (OFF) position.
(c)
Make sure the outputs on the FMCS ANALOG DISC 1/3 page are the same as the outputs shown below.
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