(b)  
Push INPUT MONITORING.

 (c)  
Enter E/070/271/00 on the scratchpad.

 (d)  
Push line select key 1L.

 (e)  
Push the NEXT PAGE button.

 (f)  
Enter E/070/273/00 on the scratchpad.

 (g)  
Push line select key 1L.

 (h)  
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
 (i)  
Push PREVIOUS PAGE and go to page 1.

 (j)  
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
 (k)  
Enter C/026/005/10 on the CDU scratchpad.

 (l)  
Push line select key 1L.

 (m)  
Make sure that bit 15 of label 005 is a 0 (no pressure to the pressure switch for the left body landing gear).

 (n)  
Push NEXT PAGE.

 (o)  
Enter C/026/004/01 on the CDU scratchpad.

 (p)  
Push line select key 1L.

 (q)  
Make sure that bit 15 of label 004 is a 0 (no pressure to the pressure switch for the right body landing gear).

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
747-400 MAINTENANCE MANUAL
 S 714-032
 (14)
 Do a test with the tiller moved for a right turn.

 (a)
Move the Captain's tiller for a right turn (CW) until the nose
 gear angle shown on the protractor (decal) is 25 degrees.
 (b) Make sure the left actuator on the left body gear has extended

 0.15 to 0.86 inch.
 (c) Make sure the left actuator on the right body gear has extended
 0.20 to 1.02 inches.
 (d) Move the Captain's tiller for a right turn (CW) until the nose
 gear angle shown on the protractor (decal) is 45 degrees.
 (e) Make sure the left actuator on the left body gear has extended

 2.25 to 3.00 inches.
 (f) Make sure the left actuator on the right body gear has extended
 2.70 to 3.58 inches.
 (g) Move the Captain's tiller for a right turn (CW) until the nose
 gear angle shown on the protractor (decal) is 65 degrees.
 (h) Make sure the left actuator on the left body gear has extended

 4.15 to 5.14 inches.
 (i) Make sure the left actuator on the right body gear has extended
 4.94 to 5.89 inches.
 NOTE: The actuator can be against the stop.
____
 S 744-033
 (15)
 Do a BITE test with the nose gear turned for a right turn.

 (a)
Make sure these bits for label 271 are as follows:

 PRIMARY LOCK SWITCHES_____________________  BIT___  BIT STATUS__________  DESCRIPTION___________
 R BODY GR STRNG LEFT  26  0  UNLOCKED
 R BODY GR STRNG RIGHT  27  1  LOCKED
 L BODY GR STRNG RIGHT  28  1  LOCKED
 L BODY GR STRNG LEFT  29  0  UNLOCKED

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (b)
Push PREVIOUS PAGE button and go to page 1.

 (c)
Make sure these bits for label 273 are as follows:

 (d)  
Make sure that bit 15 of label 004 is a 1.

 ALTERNATE LOCK SWITCHES_______________________  BIT___  BIT STATUS__________  DESCRIPTION___________
　
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