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27-62-04
ALL ú ú 05.1 Page 404 ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
2) AURAL WARN
3) AUTO BRAKES CONT
4) ENGINE 1 SYNC LOCK
I. Procedure 2 - adjusts the engine throttle switch using the aural warn
system.
NOTE: If you do procedure 2, do not do procedure 1 using the ohmmeter.____
S 864-025
(1) Remove the DO-NOT-CLOSE tags and close these circuit breakers:
(a) P6 Panel
1) AUTO SPEED BRAKE
2) AURAL WARN
3) AUTO BRAKES CONT
4) ENGINE 1 SYNC LOCK
S 864-030
(2) Adjust the engine throttle switch (Fig. 401):
(a) Make sure the adjustment of the engine control system is
correct (AMM 76-11-00/501).
ú (b) Put the applicable thrust lever in the idle stop position.
(c) Install the control surface protractor on the applicable
throttle lever.
(d) Set the protractor to the 0 degree position.
(e) Set the parking brake.
ú (f) Slowly move the thrust lever forward, stop when you hear the
aural warning horn.
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 horn, with the thrust lever at the specified
position, turn the S1-S4 adjusment bolt clockwise until you
hear the horn.
ú (g) Move the thrust lever to the idle position.
1) Make sure you do not hear the horn.
(h) Remove the protractor from the throttle lever.
(i) Install the protractor on the reverse thrust lever.
(j) Adjust the protractor to show zero degrees with the reverse
thrust lever fully forward and down (stow position).
(k) Check that rig pin 1 (F70207-23) can be inserted freely in the
torque switch mechanism of the autothrottle.
(l) If the rig pin cannot be inserted refer to cable rigging checks
in AMM 76-11-00/501 for reverse thrust lever clearance.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-62-04
ALL ú ú 05.1 Page 405 ú Jul 12/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
ú
(m)
Tighten the jamnuts to 15-25 inch-pounds.
(n)
Apply inspection seal to the jamnut.
J.
Do the Test of the Throttle Switch
S 864-008
(1)
Supply the electrical power (Ref 24-22-00/201).
S 864-016
(2)
Supply the systems A and B hydraulic power (AMM 27-62-00/201).
S 864-009
(3)
Make sure these circuit breakers are closed:
(a)
P6 Panel
1) AUTO SPEED BRAKE
2) OUTBOARD ANTI-SKID
3) INBOARD ANTI-SKID
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