(9)
30-31-00, Pitot-Static and Temperature Probe Anti-Icing
(10)
32-09-02, Ground Safety Relay
(11)
33-11-00, Pilots Panel Lights
(12)
34-11-00, Pitot-Static System
(13)
34-41-00, Inertial Navigation System.
(14)
34-55-00, DME System
(15)
36-00-00, Pneumatic
(16)
36-11-00, Engine Bleed Air Distribution System
(17)
71-00-00, Power Plant
(18)
73-31-00, Fuel Flow Indicating System
D. Prepare for Test
(1)
Set the altitude selector on the autopilot flight director mode select panel (A/P-F/D MSP) to zero altitude.
(2)
On the A/P-F/D MSP, place the AUTOPILOT ENGAGE switch to the OFF position.
(3)
Ensure that the TURB/SPEED switch on the A/P-F/D MSP is not
in the PMS position.
(4)
Ensure that the PMS components (control display unit, limit select panel, limit indicator, computer unit, engine interface unit and switching unit) are properly installed.
(5)
Provide electrical power. Refer to 24-22-00.
(6)
Check for proper operation of pilots' panel illumination, indicator lamps and annunciator lights using master test and dim control. Refer to 33-11-00.
(7)
Provide cooling air to electronic equipment. Refer to 21-58-00.
CAUTION: ENSURE EQUIPMENT COOLING IS OPERATING BEFORE TURN ON OF
_______ ELECTRONIC SYSTEMS, OR DAMAGE TO EQUIPMENT MAY RESULT. EQUIPMENT COOLING SYSTEM MUST BE SET FOR NORMAL COOLING AS DESCRIBED IN 21-58-00.
(8) Provide cooling air to INS equipment. Refer to 21-58-00.
CAUTION: ENSURE THAT COOLING AIR IS AVAILABLE TO INS NAVIGATION
_______ UNITS BEFORE OPERATING INS. FAILURE TO PROVIDE ADEQUATE AIR SUPPLY WILL RESULT IN FAILURE OF INS NAVIGATION UNITS.
(9) Ensure that present position latitude and longitude coordinates are entered into each INS (Refer to 34-41). Verify that the mode selector switch, on each INS MSU, is set to ALIGN.
NOTE: If the INS has been in the NAV mode, cycle the INS through
____ STANDBY back to ALIGN and reload present position.
EFFECTIVITY
AIRPLANES WITH PMS 10 Page 517 Apr 25/89
34-62-00
(10)
On IB airplanes, ensure that the AUTO/MAN/RMT switch on each INS CDU is set to MAN.
(11)
Ensure that the following circuit breakers are closed.
CIRCUIT BREAKER_______________ LOCATION________
PMS CDU P7
PMS SU ALTN P7
PMS SU PRIM P7
PMS CMPTR P7
PMS LSP P7
PMS ADS REF P7
PMS LIMIT IND P7
CONT POS FLAP OUTBD P6
(12) On IB airplanes,
also ensure that the following circuit breakers are closed.
CIRCUIT BREAKER_______________ LOCATION
PMS EPR-1 REF P6 PMS EPR-2 REF P6 PMS EPR-3 REF P6 PMS EPR-4 REF P6
(13) Enter gross weight of airplane into the PMS as follows:
(a)
Press PLNG key on the PMS CDU. Push the CDU slew switch as required to advance the display to PLNG INIT.....2/6 page. Verify that the left part of data line 1 indicates:
GWT _ _ _ . _
(b)
Press the PMS CDU line select 1 key. Verify the key illuminates.
(c)
Using the data keys on the PMS CDU, enter gross weight of airplane to nearest hundred pounds (or tenth of a metric ton). Gross weight appears in data line 1 of the CDU display and the CDU INSERT key illuminates.
NOTE: A gross weight, for example, of 643200 pounds is
____ entered as 6432.
(d) Ensure correct gross weight is displayed then press INSERT key. INSERT key and line select 1 key extinguish.
E. PMS Control Display Unit (CDU) Test
(1)
If required prepare for test as described in paragraph D.
(2)
Verify that the DIM knob on the CDU is set to approximately half position of its full travel.
(3)
Press and hold STS/TEST key on the CDU and verify that the following occurs on the CDU:
EFFECTIVITY
AIRPLANES WITH PMS 12 Page 518 Apr 25/89
34-62-00
(a)
Four display lines each with 24 rectangles of 5 by 7 dot matrices illuminate.
(b)
Line select switches 1, 2 and 3 illuminate white.
(c)
Mode annunciators (CLB, CRZ and DES) illuminate white.
中国航空网 www.aero.cn
航空翻译 www.aviation.cn
本文链接地址：747飞机维护手册AMM CHAPTER 34 - NAVIGATION 第34章导航4(146)
