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B11847
A
737-300/400/500MAINTENANCE MANUAL
 (c)  Remove the S5 switch (Fig. 401): 1) Remove the bolt from the switch pack. 2) Remove the switch.
 TASK 27-62-04-404-004
 3. Engine Throttle Switch Installation
___________________________________
 A. General
 (1)  
There are two procedures to adjust the engine throttle switch you can use one of the two. Procedure 1 uses the ohmmeter and procedure 2 uses the aural warn system.

 B.
Consumable Materials

 (1)  
C00259 Primer - BMS 10-11 Type I

 C.
Special Tools and Equipment

 (1)  
4MIT65B80307-1 Control Column Protractor

 (2)  
F72952-2 Thrust Lever Protractor Adapter

 D.
Standard Tools and Equipment

 (1)  
Ohmmeter

 E.
References

 (1)  
24-22-00/201, Manual Control

 (2)  
76-11-00/501, Engine Control System

 F.
Access

 (1)  
Location Zone
 101, 102 Control Cabin
 205 Electronic Compartment

 G.
Switch Installation

 S 424-005
 (1)  
Install the engine throttle switch:

 (a)  
Install the S1 - S4 switches: 1) Install the switch. 2) Install the drilled straight pin. 3) Install the cotter pin in the drilled straight pin.

 (b)  
Install the S5 switch: 1) Install the switch. 2) Apply the primer to the bolt threads. 3) Install the bolt in the switch pack.

 (c)  
Connect the electrical wires to the terminals on the switch.

 H.
Procedure 1 - adjusts the engine throttle switch using the ohmmeter.

 NOTE: If you do procedure 1, do not do procedure 2 using the aural warn
____
 system.

 S 824-006
 (1)  
Adjust the engine throttle switch (Fig. 401):

 (a)  
Make sure the adjustment of the engine control system is correct (Ref 76-11-00/501).

 (b)  
Put the applicable thrust lever and throttle lever in the idle stop position.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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737-300/400/500MAINTENANCE MANUAL
 (c) Install the control surface protractor on the applicable
 throttle lever.
 (d) Set the protractor to the 0 degree position.
 (e) Connect the ohmmeter to pins 4 and 5 on connector P1.
 ú  (f) Slowly move the thrust lever forward until there is continuity
 between pins 4 and 5 on connector P1.
 ú  1) Make sure the thrust lever is 8.5 to 10.5 degrees forward
 of the idle stop position.
 ú  2) If there is no continuity with the thrust lever at the
 specified position, turn the S1-S4 adjusment bolt clockwise
 until there is continuity between pins 4 and 5.
 ú  (g) Move the thrust lever to the idle position.
 1) Make sure there is no continuity between pins 4 and 5 on
 connector P1.
 (h) Remove the ohmmeter from pins 4 and 5.
 ú  (i) Remove the protractor from the thrust lever.
 (j) Install the protractor on the reverse thrust lever.
 (k) Adjust the protractor to show zero degrees with the reverse
 thrust lever fully forward and down (stow position).
 (l) Check that rig pin 1 (F70207-23) can be inserted freely in the
 torque switch mechanism of the autothrottle.
 (m) If the rig pin cannot be inserted refer to cable rigging checks
 in AMM 76-11-00/501 for reverse thrust lever clearance.
　
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