32-51-01
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757 MAINTENANCE MANUAL
 NOSE WHEEL STEERING TORQUE LIMITER DRUM - REMOVAL/INSTALLATION
______________________________________________________________
 1.  General_______
 A.  This procedure contains two tasks. The first task removes the torque limiter/drum assembly as one unit. The second task installs the torque limiter/drum assembly.
 TASK 32-51-02-004-001
 2.  Remove the Torque Limiter/Drum Assembly (Fig. 401)_______________________________________
 A.  References
 (1)
AMM 32-51-00/501, Nose Wheel Steering System Adjustment/Test

 B.  
Equipment

 (1)  
Rig Pins from Set B20003-XX (AMM 20-10-24/201):

 (a)  
NS1 - P/N B20003-20

 (b)  
AIRPLANES WITH DUAL NWS TILLER;
 NS1A - P/N B20003-20

 (c)  
NS2 - P/N B20003-24

 (d)  
NS3 - P/N B20003-5

 (e)  
NS5 - P/N B20003-5

 (2)  
Cable Tensiometer - 0 to 200 pound range for
 3/32 inch diameter cable (commercially
 available).

 (3)  
Towing Lever Lockpin - A09003-1

 C.  
Access

 (1)  
Location Zones 211 Control Cabin (Left Side) 117 Area Outboard and Above the NLG Wheel Well (Left Side)

 D.  
Procedure

 S 864-002
 (1)  
Put the wheels for the nose landing gear so the steering collar is in the center.

 S 864-003

 (2)  
Move the towing lever for the nose wheel steering to the TOWING POSITION.

 (3)  
Install the towing lever lockpin.

 (4)  
Remove the summing mechanism cover.

 S 494-004
 S 014-005
 

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757
MAINTENANCE MANUAL

TILLER
SEE  A  TORQUE SHAFT 
INSPECTION HOLE TORQUE LIMITER  SPLINED FITTING 
NWSB  NWSA  DRUM 

ATTACH BOLTS
(4 PLACES)

INBD
FWD
A
Nose Wheel Steering Torque Limiter Drum Installation Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH SINGLE NWS TILLER ú

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757
MAINTENANCE MANUAL

TILLER CAPTAIN'S  FIRST TILLER OFFICER'S 
TORQUE SHAFT 
SEE A  INSPECTION HOLE TORQUE LIMITER  COUPLING FITTING WITH SPLINES 
DRUM  NWSBB 
NWSA 
NWSB 
NWSBA 
Nose Wheel Steering Torque Limiter Drum Installation A Figure 401A  INBD FWD BOLT (4 LOCATIONS) 

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. AIRPLANES WITH DUAL NWS TILLER ú

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757 MAINTENANCE MANUAL
 S 494-076
 (5)  
AIRPLANES WITH SINGLE NWS TILLER; Install the rig pins NS2, NS3 and NS5 (AMM 32-51-00/501).

 S 494-077

 (6)  
AIRPLANES WITH DUAL NWS TILLER; Install the rig pins NS-1a, NS2, NS3 and NS5 (AMM 32-51-00/501).

 S 034-079

 (7)  
AIRPLANES WITH SINGLE NWS TILLER; On the cables NWSA and NWSB, do the steps that follow:

 S 034-080

 (8)  
AIRPLANES WITH DUAL NWS TILLER; On the cables NWSA, NWSB, NWSBA and NWSBB, do the steps that follow:

 (a)  
Loosen the turnbuckles and the cable tensioner on the interconnect quadrant.

 (b)  
Remove the cotter pins from the ends of the retaining cables in the drum (View A).

 (c)  
Discard the cotter pins.

 S 034-011
 (9)  
Identify the cables and remove them from the drum.

 S 024-012

 (10)
 Remove the four bolts that hold the torque limiter/drum assembly to the structure.

 S 024-013

 (11)
 Move the assembly down to move apart the coupling linkage of the torque shaft with splines, and remove the assembly.
　
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