S 714-034
(16)
Do a test with the tiller moved for a left turn.
(a)
Move the Captain's tiller for a left turn (CCW) until the nose gear angle shown on the protractor (decal) is 25 degrees.
(b)
Make sure the right actuator on the left body gear has extended
0.20 to 1.02 inch.
(c)
Make sure the right actuator on the right body gear has extended 0.15 to 0.86 inches.
(d)
Move the Captain's tiller for a left turn (CCW) until the nose gear angle shown on the protractor (decal) is 45 degrees.
(e)
Make sure the right actuator on the left body gear has extended
2.70 to 3.58 inches.
(f)
Make sure the right actuator on the right body gear has extended 2.25 to 3.00.
(g)
Move the Captain's tiller for a left turn (CCW) until the nose gear angle shown on the protractor (decal) is 65 degrees.
(h)
Make sure the right actuator on the left body gear has extended
4.94 to 5.89 inches.
NOTE: Actuator can be against the stop.
____
(i) Make sure the right actuator on the right body gear has extended 4.15 to 5.14 inches.
S 744-035
(17)
Do a BITE test with the nose gear turned for a left turn.
(a)
Make sure these bits for label 273 are as follows:
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32-53-04
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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 0 UNLOCKED
L BODY GR STRNG RIGHT 28 0 UNLOCKED
L BODY GR STRNG LEFT 29 1 LOCKED
(b) Push NEXT PAGE and go to page 2.
(c) Make sure these bits for label 271 are as follows:
PRIMARY LOCK SWITCHES_____________________ BIT __________ DESCRIPTION
___ BIT STATUS ___________ R BODY GR STRNG LEFT 26 1 LOCKED R BODY GR STRNG RIGHT 27 0 UNLOCKED L BODY GR STRNG RIGHT 28 0 UNLOCKED L BODY GR STRNG LEFT 29 1 LOCKED
(d) Make sure that bit 15 of label 005 is a 1.
S 864-036
(18)
Put the Captain's tiller to the neutral position (CW).
S 744-037
(19)
Do a BITE test with the tiller in the neutral position.
(a)
Make sure these bits for label 273 are as follows:
ALTERNATE LOCK SWITCHES_______________________ BIT __________ DESCRIPTION
___ BIT STATUS ___________ 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
(b)
Push PREVIOUS PAGE and go to page 1.
(c)
Make sure these bits for label 271 are as follows:
PRIMARY LOCK SWITCHES_____________________ BIT __________ DESCRIPTION
___ BIT STATUS ___________ 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
S 864-038
(20) Remove the pressure from the No. 1 hydraulic system (Ref 29-11-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-53-04
ALL ú
ú 01 Page 412
ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 414-039
(21)
Connect the steering actuators for the body gear to the lower torsion links (Ref 32-53-11/201).
S 414-040
(22)
Connect the torsion links for the nose landing gear at the apex (AMM 32-21-03/201).
S 864-041
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本文链接地址：747-400 AMM 飞机维护手册 起落架 LANDING GEAR 8(78)
