EFFECTIVITY ALL
725 Page 102
34-16-00
Oct 10/73 Press and hold TEST switch. Slowly adjust ALT SEL control to 200 feet from airplane altitude. Check that annunciators go off as selected altitude reaches 300 |100 feet from airplane altitude. IF -
EFFECTIVITY ALL
725 Page 103
34-16-00
Oct 15/73
OK
Press and hold TEST switch. Slowly adjust ALT SEL control to 500 feet from airplane altitude. Check that aural warning module tone sounds 2 |1/2 seconds and annunciators come on flashing as selected altitude reaches 350 |150 feet from airplane altitude. IF -
Press and hold TEST switch. Slowly adjust ALT SEL control to 1100 feet from airplane altitude. Check that annunciators go off as selected altitude reaches 900 |150 feet from airplane altitude. IF -
NOT OK
OK
System is operable.
T33735
EFFECTIVITY XA ALL EXCEPT MD ALL; AF 121,122,154-190,194-199; LH 055-060,
799 Page 104 083; AZ 221-233, 281; VM ALL Sep 25/94
34-16-00
OK
Press and hold TEST switch. Slowly adjust ALT SEL control to 500 feet from airplane altitude. Check that aural warning module tone sounds 2 |1/2 seconds and annunciators come on flashing as selected altitude reaches 350 |150 feet from airplane altitude. IF -
Press and hold TEST switch. Slowly adjust ALT SEL control to 1100 feet from airplane altitude. Check that annunciators go off as selected altitude reaches 900 |150 feet from airplane altitude. IF -
Switch the airplane power from the ground to APU power and check that altitude alert lights do not stay "ON" more than 15 seconds.
____NOTE: Aural Alert may be annunciated during power transfer. IF -
NOT OK
OK
System is operable.
AIRPLANES HAVING DIGITAL COMPUTER P/N 70-200-07
(P/N 70-200-04 MODIFIED BY SB 34-2124)
OR P/N 70-200-09
(P/N 70-200-07 MODIFIED BY SB 34-2149)
T33742
EFFECTIVITY MD ALL; VM ALL; AF 154-156,158-160,162-182,185-190,194-199;
799 Page 105 LH 055-060,083; AZ 221-233,281 Sep 25/94
34-16-00
OK
Press and hold TEST switch. Slowly adjust ALT SEL control to 400 feet from airplane altitude. Check that aural warning module tone sounds 2 |1/2 seconds and annunciators come on flashing as selected altitude reaches 300 |100 feet from airplane altitude. IF -
Press and hold TEST switch. Slowly adjust ALT SEL control to 1000 feet from airplane altitude. Check that annunciators go off as selected altitude reaches 900 |100 feet from airplane altitude. IF -
Switch the airplane power from the ground to APU power and check that altitude alert lights do not stay "ON" more than 15 seconds.
____ Aural Alert may be annunciated during power transfer. IF -NOTE:
NOT OK
OK
System is operable.
E52030
EFFECTIVITYAF 121,122,161,183,184
799 Page 106
34-16-00
Sep 25/94
OK
Press and hold TEST switch. Slowly adjust ALT SEL control to 400 feet from airplane altitude. Check that aural warning module tone sounds 2 |1/2 seconds and annunciators come on flashing as selected altitude reaches 300 |100 feet from airplane altitude. IF -
Press and hold TEST switch. Slowly adjust ALT SEL control to 1000 feet from airplane altitude. Check that annunciators go off as selected altitude reaches 900 |100 feet from airplane altitude. IF -
NOT OK
OK
System is operable.
E52032
EFFECTIVITYAF 157
799 Page 107
Sep 25/94
34-16-00
ALTITUDE ALERT SYSTEM - MAINTENANCE PRACTICES
_____________________________________________
1. Referenced Procedures
_____________________
A. 24-22-00, Maintenance Practices (Apply Power)
B. 31-10-00, Description and Operation
C. 34-16-00, Adjustment/Test
2. Altitude Alert Computer - Removal/Installation
______________________________________________
A. General (Fig 201)
(1) The altitude alert computer is mounted behind flight engineer's instrument panel. The computer has one electrical connector on the rear.
B. Remove Altitude Alert Computer
(1)
Open ALTIT ALERT COMP and MON circuit breakers on panel P7.
(2)
Disconnect electrical connector from computer.
(3)
Remove mounting screws holding computer to support bracket and remove computer.
C. Install Altitude Alert Computer
(1)
Place computer in position and install mounting screws.
(2)
Connect electrical connectors to computer.
(3)
Close circuit breakers.
D. Test Altitude Alert Computer
(1)
Provide electrical power (Ref 24-22-00).
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本文链接地址：747飞机维护手册AMM CHAPTER 34 - NAVIGATION 第34章导航1(115)
