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MAINTENANCE MANUAL

CAPTAIN'S TILLER/
FIRST OFFICER'S GEARBOX
TILLER/GEARBOX
SEE C
INDICATOR (HIDDEN FROM VIEW) ASSEMBLY
SEE E
SEE D B
POINTER 
PLATE 
KNOB  TILLER 
HANDLE  BOLT 
PLUG  (3 LOCATIONS) 
BUTTON  UPPER 
COUPLING BOLT 
NUT  (2 LOCATIONS)  B  CONSOLE 
WASHER  STRUCTURE 
PLATE INDICATOR  SPLINES INDICATOR  SHAFT TORQUE 
ASSEMBLY 

CAP SCREW
WASHER FLOOR (REF)
(3 LOCATIONS)

TILLER/ FWD GEARBOX COUNTERSUNK
ASSEMBLY
SCREW (4 LOCATIONS) INBD TILLER/GEARBOX (EXAMPLE - 2 LOCATIONS)
C UPPER COUPLING FLANGE
B-B
Nose Wheel Steering Tiller/Gearbox Installation Figure 401 (Sheet 2)
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TORQUE SHAFT
BOLT THAT ATTACHES THE LOWER COUPLING (2 LOCATIONS)
FITTING WITH SPLINES HOLE INSPECTION FWD
INBD 
FWD  TORQUE SHAFT  COUPLING BOLT (2 LOCATIONS) LOWER 
D CAPTAIN'S FORWARD QUADRANT  HOLE INSPECTION 
SPLINES WITH FITTING 

FIRST OFFICER'S FORWARD QUADRANT OUTBD E
Nose Wheel Steering Tiller/Gearbox Installation Figure 401 (Sheet 3)
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MAINTENANCE MANUAL

NOTE:CAPTAIN'S TILLER IS SHOWN, FIRST OFFICER'S TILLER (IF APPLICABLE) IS EQUIVALENT.
Nose Wheel Steering Tiller Handle Installation Figure 402
M47388
 

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 S 494-007

 (4)  Install the rig pin NS1 in the captain's forward quadrant or the rig pin NS-1A in the first officer's forward quadrant, as applicable (AMM 32-51-00/501).
 (5)  S 014-008Remove the access cover in the sidewall console lining to get access to the tiller/gearbox assembly.
 (6)  S 034-009Do the steps that follow to remove the tiller handle: (a) Remove the plug button from the tiller handle. (b) Remove the retainer nut and washer.
 (7)  S 034-010Remove the three cap screws that hold the turn indicator to the plate, and remove the indicator.
 (8)  S 034-011Remove the four countersunk head screws that hold the indicator attach plate to the tiller assembly.
 (9)  S 034-038Remove the plate.
 S 034-012

 (10)
 Remove the two bolts from the top coupling of the torque shaft. They are behind the sidewall console.

 S 034-013

 (11)
 Remove the two bolts from the lower coupling of the torque shaft. They are below the flight compartment floor.

 NOTE: Get access to the lower coupling through the forward
____ access door in the lower fuselage.
 S 034-014
 (12)
 Remove the torque shaft you loosened.  This will make the path for removal of the tiller/gearbox clear.

 S 034-015

 (13)
 Remove the three bolts that hold the tiller/gearbox to the surface attach plate on the top of the console.

 S 024-016

 (14)
 Lower and remove the tiller/gearbox assembly.

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 TASK 32-51-01-404-017
 3.  Install the Tiller/Gearbox Assembly (Fig. 401, 402)___________________________________
 A. References
 (1)  
AMM 32-51-00/501, Nose Wheel Steering System Test

 B.
Equipment

 (1)  
Rig Pins: Kit B20003-XX (AMM 20-10-24/201).

 (a)  
NS1 - P/N B20003-20

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