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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500
MAINTENANCE MANUAL
SEE B
LEFT SIDE OF ENGINE SEE A
LEFT SIDE OF ENGINE A
RIG PIN RIG PIN 1
1 CONTROL BOX PLA SYNCHRO
MOUNTING BOLTS
MEC FUEL
SEE C
POWER LEVER
ANGLE SYNCHRO PLA SYNCHRO CONNECTOR
WIRE BUNDLE CLAMP FWD
B C
1
AIRPLANES WITH A/T COMPUTER
BEFORE -11;
ONE RIG PIN REQUIRED: F70207-23,
0R MS20392-3C, OR EQUIVALENT
0.248 (+0.000/-0.002)-INCH DIAMETER, 3 INCH LONG ROD OR BOLT
Power Lever Angle, Rigging Adjust Figure 503
C36805
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
(e) Push LSK 6R (CONTINUE) and make sure that CDU shows 109.1 |0.5 degrees for each engine.
NOTE: No adjustment is necessary if the PLA synchro angles
____
are in the tolerance.
(f)
Do the next steps only if the PLA synchro angles are not in tolerance; if not go to step (k).
(g)
Loosen the mounting clamp on the PLA synchro No. 1.
(h)
Turn the synchro body until the CDU display shows 109.1 |0.5 degrees.
(i)
Retighten the PLA synchro No. 1 mounting clamps.
(j)
Make sure the CDU display still reads 109.1 |0.5 degrees.
(k)
Loosen the mounting clamps on the PLA synchro No. 2.
(l)
Turn the synchro body until the CDU display shows 109.1 |0.5 degrees.
(m)
Retighten the PLA synchro No. 2 mounting clamps.
(n)
Make sure the CDU still reads 109.1 |0.5 degrees.
(o)
Remove the rig pin from the engine control box.
(p)
Move the two throttle levers fully aft gently until they touch the idle stop.
(q)
Make sure the THROTTLE ANGLE No. 1 and No. 2 values shown on the CDU are between -6.0 and +22.0 degrees.
(r)
Push LSK 6L (<INDEX) and make sure the CDU goes back to the A/T BITE TEST page 2/2
S 745-026
(2) AIRPLANES WITH A/T COMPUTER P/N 10-62017-11 AND SUBSEQUENT; Do the A/T BITE Test Rigging Adjust
(a)
737-300 AIRPLANES WITH A CFM56-3B-1 OR CFM56-3B-2 ENGINE; Make sure that the TARGET angle is 327.5 degrees.
(b)
Push two throttle levers fully forward.
(c)
Make sure the THROT 1 SYNC and THROT 2 SYNC angles on the CDU are in |0.5 degrees of their TARGET angles.
(d)
Do these steps only if the PLA angle are not in tolerance: 1) Make sure the throttle lever No. 1 is all the way forward. 2) Loosen the clamps on the PLA synchro No. 1 (Fig. 503). 3) Turn the synchro body until the THROT 1 SYNC angle is |0.5
degrees of the THROT 1 TARGET angle value. 4) Retighten the PLA synchro No. 1 clamps.
NOTE: Make sure the THROT 1 SYNC and the THROT 1 TARGET
____ values still agree in |0.5 degrees.
5) Make sure the throttle lever No. 2 is fully forward.
6) Loosen the clamps on the PLA synchro No. 2.
7) Turn the synchro body until the THROT 2 SYNC angle is in
|0.5 degrees of the THROT 2 TARGET angle value.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
8) Retighten the PLA synchro No. 2 clamps.
NOTE: Make sure the THROT 2 SYNC and THROT 2 TARGET still
____ agree in |0.5 degrees.
(e)
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