(6)
Replace the insulation that was removed.
S 414-043
(7)
Install the access panel.
S 424-013
(8)
Replace the external access ladder.
S 864-014
(9)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a)
P7 Overhead Circuit Breaker Panel
1) 7G23 BODY GR STRG ARM AC
2) 7G24 BODY GR STRG ARM DC
E.
Do a Test of the Transducer
S 864-015
(1)
Make sure the control handle for the landing gear is in DN position.
S 014-016
(2)
Disconnect the torsion links for the nose landing gear at the apex (AMM 32-21-03/201).
S 014-017
(3)
Disconnect the steering actuators for the body landing gear from the torsion link (AMM 32-53-11/201).
S 864-018
(4)
Make sure the actuators and fittings are free to move through the range of travel of each actuator in the extend and retract directions.
(5)
Make sure the rudder trim is set at the zero position.
(6)
Make sure the rudder pedals are in the neutral position.
S 864-019
S 864-020
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400
MAINTENANCE MANUAL
(7) S 864-021Make sure the Captain's and First Officer's tillers are in the neutral position.
(8) S 864-022Make sure the EIU source is set to "AUTO" for the EFIS/EICAS display.
(9) S 864-023Make sure this hardware is serviceable: (a) EIU (b) EICAS (c) PSEU (d) CMC
S 864-024
(10)
Supply electrical power (AMM 24-22-00/201).
S 864-026
(11)
Make sure the Captain's and First Officer's tillers are in the neutral position.
S 864-027
(12)
Make sure the rudder pedals are in the neutral position.
S 864-028
WARNING: MAKE SURE THAT ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE
_______ MOVABLE COMPONENTS ON THE NOSE AND BODY LANDING GEAR. WHEN YOU PRESSURIZE THE HYDRAULIC SYSTEM OR OPERATE THE STEERING SYSTEMS, THESE COMPONENTS CAN MOVE QUICKLY. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(13)
Pressurize the No. 1 hydraulic system (AMM 29-11-00/201).
S 744-029
(14)
With the steering tiller in the centered position do the BITE test steps that follow:
(a)
Push the OTHER FUNCTIONS on page 2 of the CDU main menu.
(b)
Push INPUT MONITORING.
(c)
Put in E/070/271/00 on the scratchpad.
(d)
Push the line select key 1L.
(e)
Push the NEXT PAGE button.
(f)
Put in E/070/273/00 on the scratchpad.
(g)
Push the line select key 1L.
(h)
Make sure these bits for label 273 are as follows:
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-53-01
ALL ú ú 01 Page 406 ú Oct 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
ALTERNATE LOCK SWITCHES_______________________ BIT___ BIT STATUS__________ DESCRIPTION___________
R BODY GR STRNG LEFT 26 1 LOCKED
R BODY GR STRNG RIGHT 27 1 LOCKED
L BODY GR STRNG RIGHT 28 1 LOCKED
L BODY GR STRNG LEFT 29 1 LOCKED
(i)
Push the PREVIOUS PAGE button and go to page 1.
(j)
Make sure these bits for label 271 are as follows:
PRIMARY LOCK SWITCHES_____________________ BIT___ BIT STATUS__________ DESCRIPTION___________
R BODY GR STRNG LEFT 26 1 LOCKED
R BODY GR STRNG RIGHT 27 1 LOCKED
L BODY GR STRNG RIGHT 28 1 LOCKED
L BODY GR STRNG LEFT 29 1 LOCKED
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