1 THE "B" DIMENSION IS MEASURED BETWEEN THE CENTER OF THE UPPER AND LOWER GIMBAL PINS
Stabilizer Trim Limit Switch Installation
Figure 401 (Sheet 1)
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L86871
A 737-300/400/500MAINTENANCE MANUAL
(AMM 31-26-24/401) SWITCH, S546 STAB TAKEOFF WARNING
STAB AUTOPILOT AND ELEC ACTUATOR LIMIT SWITCH, S145 SEE C E
LIMIT SWITCH, S844 SEE C E STAB ELEC ACTUATOR BRACKETS MOUNTING SWITCH
CAM
(AMM 31-26-24/401) SWITCH, S132 STAB TAKEOFF WARNING
LIMIT SWITCH, S115 C D STAB ELEC ACTUATOR SEE
FWD B SWITCH, S144 SEE C D STAB AUTOPILOT LIMIT BRACKET MOUNTING LOCKWASHER
THE SWITCHES) (EXAMPLE OF LIMIT SWITCH SEE F SWITCH ARM C WASHER ARM NUT SWITCH SWITCH NUT
Stabilizer Trim Limit Switch Installation Figure 401 (Sheet 2)
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A
737-300/400/500MAINTENANCE MANUAL
1.24 INCH (INSTALL THE SWITCH ARM IN APPROXIMATELY THIS POSITION BEFORE YOU ADJUST THE
MOUNTING SWITCH)
BRACKET
EXAMPLE OF LIMIT SWITCHES (S-115 AND S-144)
D
FREE POSITION OF THE SWITCH ARM MOUNTING
SWITCH ARM NUT (TIGHTEN AND SWITCH NUT
ADJUST THE SWITCH) EXAMPLE OF LIMI E T SWITCHES (S-145 AND S- 844) F EXAMPLE OF ALL S WITCHES
Stabilizer Trim Limit Switch Installation
Figure 401 (Sheet 3)
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737-300/400/500MAINTENANCE MANUAL
2) Pull the limit switch free from the bracket.
TASK 27-41-94-404-007
3. Stabilizer Trim Limit Switches Installation (Fig. 401)
___________________________________________
A. References
(1)
AMM 12-31-41/201, Body Section 48 Access Doors and Panels
(2)
AMM 27-41-94/501, Stabilizer Trim Limit Switches
B.
Access
(1)
Location Zone
701 Tail Compartment
(2)
Access Panels
3701 Stabilizer Trim Access Door
C.
Procedure
S 424-010
(1)
Install the limit switch:
(a)
Install the switch shaft: 1) Install the switch shaft through the mounting hole in the bracket. 2) Attach the switch in the position with the switch nut as shown in figure 401.
3) Install a lockwire to the switch nut and the mounting bracket.
(b)
Install the switch arm: 1) Turn the switch arm to the approximate position for installation. 2) Set the switch arm on the switch shaft to engage the serrations.
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