CABLES C AND E
1
3

CABLES A, B, D, F, G AND H
12  3
85.4
L1

CABLES K
A CABLE REFERENCE  (1) CABLE MATERIAL  FUNCTION NWSA 1 NUMBER REQUIRED  LENGTH L1 (INCHES) 52.5  FITTINGS
MS21260L3LH 1  -2  3 BACT14A3 
B  (1)  NWSA 1  17.3 MS21260L3RH  - BACT14A3 
C  (1)  NGPPB 1  11.0 MS21260S3RH  - BACT14B3 
D (LINE #1198 OR BEFORE)  (1)  NGPPB  1  11.3 MS21260S3LH  - BACT14A3 
D (AFTER LINE #1198)  (1)  NGPPB  1  10.8 MS21260S3LH  - BACT14A3 
E  (1)  NGPPA  1  9.7 MS21260S3LH  - BACT14B3 
F (LINE #1198 OR BEFORE)  (1)  NGPPA  1  11.5 MS21260S3RH  - BACT14A3 
F (AFTER LINE # 1198)  (1)  NGPPA  1  11.0 MS21260S3RH  - BACT14A3 
G  (1)  NWSA 1  82.7 MS21260L3LH  - BACT14A3 
H  (1)  NWSB  1  141.8 MS21260L3RH  - BACT14A3 
K  (2)  NWSA/B  1  162.9  MS21260L3LH  BACT14B3  MS21260L3RH 

NOTE: DO NOT MIX TIN-ZINC (TZ) COVERED CABLES WITH OTHER TYPE CABLES ON THE SAME AIRPLANE BECAUSE TZ CABLES HAVE A DIFFERENT STRETCH RATE THAN OTHER CABLES.
DIES FOR THE NEXT LARGER SIZE "AN" STANDARD TERMINALS ARE REQUIRED FOR SWAGING ALL BACT14A TERMINALS.
REFERENCE ONLY. REFER TO IPC FOR SPECIFIC CABLE PART NUMBERS.
RECOMMENDED CABLE MATERIAL (3/32 DIAMETER):
(1)
 CARBON STEEL, TYPE I, COMPOSITION, TIN OVER ZINC COATING PER BMS 7-265 OR MIL-W-83420, 7X19 CONSTRUCTION.

(2)
 CORROSION RESISTANT STEEL PER MIL-W-83420 TYPE 1B, 7X7 CONSTRUCTION.

Steering System Cables Figure 402
A56876
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 414-052
 (6)  Install the aft access panel on the left side of the nose wheel well.
 TASK 32-51-31-004-047
 4. Steering System Cables (NWSA and NWSB) Removal (Fig. 401)
______________________________________________
 A. Standard Tools and Equipment
 (1)  Rigging Pins - MS20392, 0.311 + 0.000/-0.002 inch diameter x 6.0 inches long (2 required)
 NOTE: Rigging pins are part of F70207-69 or F70207-78.
____
 (2)  
Spanner Wrench - AN8514-7

 B.
References

 (1)  
AMM 32-00-01/201, Ground Lock Assemblies

 C.
Prepare to Remove the Steering System Cables (NWSA and NWSB)

 S 494-055
 WARNING: MAKE SURE THE GROUND LOCK PINS ARE INSTALLED ON ALL THE LANDING
_______ GEAR. WITHOUT THE GROUND LOCK PINS, THE LANDING COULD RETRACT AND CAUSE INJURIES TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1)  
If the groundlock pins are not installed on all the landing gear, do this task: Install the ground lock assemblies (AMM 32-00-01/201).

 S 224-039

 (2)
Make sure that the clearance between the cable guard and the steering collar pulley is between 0.015 and 0.045 inch.

 (a)  
If it is necessary, add BACW10P635 washers (2 maximum).

 S 494-040
 (3)  
Install the rigging pins in the quadrant (27) and in the steering wheel.

 S 014-042

 (4)  
Remove the aft access panel from the left bulkhead of the nose wheel well.

 NOTE: The removal of the aft access panel will access you to the
____ turnbuckles (40 and 43) of the cables NWSA and NWSB.
 S 034-043
 (5)  
Loosen the turnbuckles (40 and 43).

 D.
Procedure to Remove the Steering System Cables (NWSA and NWSB)

 (1)  
Disconnect the steering cables of the nose wheel.

 S 034-023
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
　
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