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32-50-00
ALL ú ú 02 Page 203 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 747-400 MAINTENANCE MANUAL
VALVE ASSEMBLY METERING
METERING VALVE INPUT ARM NWS2B
NS-6 RIG PIN FWD NS-5 RIG PIN MECHANISM SUMMING LEVER FWD SEE D
ROD CONNECTING
C 1
ACCESS PANEL
COMPENSATOR CABLE ATTACHING SCREW (19 LOCATIONS) NS-4 RIGGING PIN
FWD
1 COVER NOT SHOWN FOR CLARITY D
Steering System Rigging Pin Installation Figure 201 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-50-00
ALL ú ú 01 Page 204 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 492-003
WARNING: REFER TO AMM 32-00-30/201 FOR THE LOCK INSTALLATION PROCEDURE.
_______ THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR THE CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(2)
Install the door lock of the nose landing gear (AMM 32-00-30/201).
S 012-004
(3)
Remove the left forward ceiling panel, No. 211DL, from the passenger compartment (AMM 25-22-01/401).
E.
Install the rig pins.
S 862-005
(1)
Install the rig pin NS-1 in the captain's tiller.
(a)
Install the rig pin.
(b)
Make sure the rig pin engages the airplane structure on each side of the tiller drum.
S 862-006
(2)
Install the rig pin NS-2 in the first officer's tiller.
(a)
Install the rig pin.
(b)
Make sure the rig pin engages the airplane structure on each side of the tiller drum.
S 862-007
(3) Install the rig pin NS-3 in the interconnect mechanism of the rudder pedal.
NOTE: Get access to the interconnect mechanism of the rudder pedal
____ through the left forward ceiling panel in the passenger compartment.
S 862-008
(4)
Install the rig pin NS-4 in the cable compensator assembly.
(a)
Remove the external access ladder from the forward bulkhead of the electrical/electronics equipment center.
(b)
Remove the access panel from the floor of the electrical/electronic equipment center.
(c)
Remove the insulation, if it is necessary, to get access to the cable compensator assembly.
(d)
Install the rig pin.
(5)
Install the rig pin NS-5 in the summing lever.
S 862-010
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
32-50-00
ALL ú ú 01 Page 205 ú Oct 10/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 012-024
(6)
Remove the cover for the steering system.
S 862-009
(7)
Install the rig pin NS-6 in the input arm of the metering valve .
TASK 32-50-00-862-011
3. Removal of the Rig Pins from the Steering System (Fig. 201)_______________________________________________________________
A. Special Tools and Equipment
(1) G12001 Rigging Pins - NS-1, NS-2, NS-3, NS-4, NS-5, and NS-6
NOTE: Rigging pins are part of G12001 kit.
____
~............................................................. | Rigging Pin No. | Length (inches) | Diameter (inches) | ............................................................... | NS-1 | 4.00 | 0.311 (+0.000/-0.002)| ............................................................... | NS-2 | 4.00 | 0.311 (+0.000/-0.002)| ............................................................... | NS-3 | 6.00 | 0.311 (+0.000/-0.002)| ............................................................... | NS-4 | 2.50 | 0.311 (+0.000/-0.002)| ............................................................... | NS-5 | 4.00 | 0.311 (+0.000/-0.002)| ............................................................... | NS-6 | 2.50 | 0.188 (+0.000/-0.002)| 2..................…...................…......................1
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