27-38-01
 ALL  ú ú 01 Page 404 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 034-039
 (5)  
Disassemble the transmitter assembly:

 (a)  
Remove the crank from the transmitter shaft. 1) Remove the shaft clamping screw from the crank. 2) Remove the crank.

 (b)  
Remove the transmitter from the bracket. 1) Loosen the transmitter clamping screws. 2) Remove the inner clamping screw. 3) Remove the transmitter.

 TASK 27-38-01-404-008
 3.  Elevator Position Transmitter Installation (Fig. 401)__________________________________________
 A. Special Tools and Equipment
 (1)  
G12001-50 - Rig Pin Kit

 B.
References

 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (3)  
AMM 34-11-00/201, Pitot-Static System

 (4)  
AIPC 27-38-01, Fig. 1

 (5)  
SSM 27-18-01

 (6)  
WDM 27-18-11

 C.
Access

 (1)  
Location Zone 334 Horizontal Stabilizer Rear Spar to Trailing Edge, LH 344 Horizontal Stabilizer Rear Spar to Trailing Edge, RH

 (2)  
Access Panel 334KBL Horizontal Stabilizer Access Panel, Trailing Edge, LH for Left Outboard Transmitter 334GBL Horizontal Stabilizer Access Panel, Trailing Edge, LH for Left Inboard Transmitter 334GBR Horizontal Stabilizer Access Panel, Trailing Edge, RH for Right Inboard Transmitter

 334KBR  Horizontal Stabilizer Access Panel, Trailing Edge, RH for Right Outboard Transmitter
 D. Install the Elevator Position Transmitter
 S 434-009
 (1)  
Assemble the transmitter assembly:

 (a)  
Put the transmitter into the bracket until the inner clamping screw can engage the circumferential groove on the transmitter. 1) Install the transmitter clamping screws.

 a) Do not tighten the screw.

 (b)  
Turn the transmitter until the E|Z (electrical zero) index mark on the transmitter housing is aligned with the centerline of the bracket rig pin holes.

 (c)  
Lightly tighten the transmitter clamping screws.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-38-01
 ALL  ú ú 01 Page 405 ú Jun 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 (d)  
Put the transmitter shaft into the crank until the shaft clamping screw can engage the groove around the shaft.

 (e)  
Install the shaft clamping screw, washer, and nut. 1) Do not tighten the nut.

 (f)  
Align the index mark on the end of the shaft with the centerline of the rig pin slot in the crank.

 (g)  
Tighten the shaft clamping screw to 5-10 pound-inches.

 S 424-010
 (2)  
Install the transmitter assembly:

 (a)  
Set the transmitter, the bracket, and the crank assembly on the airplane. 1) Install two screws, washers, and nuts to attach the bracket

 to the airplane structure.
 a) Tighten the nuts to 20-30 pound-inches.

 (b)  
Install the screw, washer, and nut to attach the control rod to the crank. 1) Tighten the nut to 5-10 pound-inches.

 S 434-010
 (3)  
Install the bonding jumper.

 S 434-011

 (4)  
Install the electrical connector.

 E.
Adjust the Elevator Position Transmitter

 (1)  
Do this task: "Supply Electrical Power" (AMM 24-22-00/201).

 (2)  
Do this task: "Supply Hydraulic Power" (AMM 29-11-00/201).

 S 864-026

 (3)
Remove the DO-NOT-CLOSE tags and close these circuit breakers:

 (a)  
P6, Main Power Distribution Panel
 1) 6J25, RUD/ELEV IND

 S 864-012
 S 864-013
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-38-01
　
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