22-11-01
ú ú 01 Page 528 ú Jul 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(az) Push the LSK adjacent to <EXECUTE to do the test 60.33 (Mach Trim Surface Test). (ba) Follow the instructions as shown on the CDU display but keep
the AFCS B MACH TRIM DC circuit breaker open. (bb) Make sure that the CDU shows "TEST FAILED". (bc) Close the AFCS B MACH TRIM DC circuit breaker on the P6-2
Circuit Breaker Panel. (bd) Open the AFCS B MACH TRIM AC circuit breaker on the P6-2
Circuit Breaker Panel. (be) Push the LSK adjacent to RERUN> to do the test 60.33 again. (bf) Make sure that the CDU shows "TEST FAILED". (bg) Close the AFCS B MACH TRIM AC circuit breaker on the P6-2
Circuit Breaker Panel. (bh) Push the INIT/REF key on the CDU keyboard to get out of the BITE.
S 865-025
(3) Remove hydraulic power if it is not necessary (AMM 29-15-00/201).
K. Air/Ground Discrete Test
S 745-154
(1) Do the air/ground discrete test:
(a)
Push the INIT/REF key on the CDU keyboard to show the POS INIT page or PERF INIT page.
(b)
Push the LSK adjacent to <INDEX to show the INIT REF INDEX 1/1 page.
(c)
Push the LSK adjacent to MAINT> to show the MAINT BITE INDEX 1/1 page.
(d)
Push the LSK adjacent to <DFCS to show the DFCS BITE TEST LINE MAINT 1/2 page.
(e)
Make sure that the red A/P P/RST lights on the Autoflight Status Annunciators, P1 and P3, come on.
WARNING: MAKE SURE THAT YOU PREPARE FOR THE AIR MODE BEFORE YOU
_______ OPEN THE CIRCUIT BREAKER THAT FOLLOWS. AUTOMATIC OPERATION OF THE AIRPLANE SYSTEMS IN THE AIR MODE CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(f)
Open the LANDING GEAR AIR/GND RELAY & LTS circuit breaker on the P6-2/-3 Circuit Breaker Panel.
(g)
Make sure that the red A/P P/RST lights go off.
NOTE: It is not possible to get access to the DFCS BITE.
____
(h)
Close the LANDING GEAR AIR/GND RELAY & LTS circuit breaker on the P6-2/-3 Circuit Breaker Panel.
(i)
Push the INIT/REF key on the CDU keyboard to get out of the BITE.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH EFIS ú
22-11-01
ú ú 01 Page 529 ú Jul 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
L. L-NAV Input Test
S 745-059
(1) Do the L-NAV input test:
(a)
Push the INIT/REF key on the CDU keyboard to show the POS INIT page or PERF INIT page.
(b)
Push the LSK adjacent to <INDEX to show the INIT REF INDEX 1/1 page.
(c)
Push the LSK adjacent to MAINT> to show the MAINT BITE INDEX 1/1 page.
(d)
Push the LSK adjacent to <DFCS to show the DFCS BITE TEST LINE MAINT 1/2 page.
(e)
Push the NEXT PAGE key on the CDU keyboard to show the DFCS BITE TEST OVERNIGHT MAINT 2/2 page.
(f)
Push the LSK adjacent to <SENSOR VALUES to show the Sensor Values Tests Index.
(g)
Push the LSK adjcacent to <DISCRETE INPUT WORDS to get access to the Discrete Input Words Index.
(h)
Push the LSK adjacent to <DISINWD 02.
(i)
Push the LSK adjacent to <CONTINUE until the CDU display shows the pin J2A-20.
(j)
Make sure that the A and B sides of the pin J2A-20 show OP.
(k)
Push the LSK adjacent to INDEX> to go back to the Discrete Input Words Index.
(l)
Push the LSK adjacent to DISINWD 06>.
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