CAUTION: MAKE SURE THE WIRE BUNDLE LENGTH IS CORRECT BETWEEN THE
_______ COLUMN AND THE WHEEL. IF THE WIRE BUNDLE LENGTH IS NOT CORRECT, THE CONTROL WHEEL CAN NOT MOVE FREELY.
(j)
Engage the wire bundle in the control wheel hub with a clamp.
(k)
Apply the Dow Corning Compound No. 5 to the control wheel splines.
(l)
Wind the wire bundle four times around the control wheel hub.
(m)
Engage the splines on the aileron control wheel to the control column to the marks that you made.
(n)
Install the special washer.
(o)
Tighten the retaining nut to 85-140 pound-inches.
(p)
Install the cotter pin.
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A 737-300/400/500MAINTENANCE MANUAL
(2) S 724-014Do a check of the operation of the control wheel: (a) Make sure the captain's and the first officer's control wheels in the neutral position: 1) Put the straightedge across the top ends of the control wheels. 2) Make sure that one end of the first officer's control wheel cannot be farther than 0.20 inch from the straightedge. (b) Remove all the rigging pins. (c) Make sure the control wheel can turn a minimum of 108 degrees in each direction from the neutral position. (d) Make sure the control wheel moves smoothly and freely.
(3) S 434-018Connect the switch leads to the terminal block: (a) Find the same wire colors. (b) Connect the four pairs of the stabilizer trim switch leads at the terminal block. (c) Install the washer, lockwasher, and nut.
(4) S 724-020Do a test of the electrical circuits for continuity changed during the removal and installation procedures.
(5) S 734-021Use the insulation tester to do a test on the terminal block while you turn the control wheel from stop to stop. (a) Do a test on the terminal block for resistance to ground, or wire to wire for a minimum insulation value of 100 megohms.
(6) S 434-022Install the terminal cover with two screws.
(7) S 414-017Install the access panels.
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A
737-300/400/500MAINTENANCE MANUAL
AILERON CONTROL WHEEL DRUM - REMOVAL/INSTALLATION
_________________________________________________
1. General_______
A. This procedure contains four tasks. There is a task for the removal and a task for the installation of the control wheel drum with the ribs and brackets connected. There is also a task for the removal and a task for the installation of the control wheel drum with the ribs and bracket disconnected. The procedure has these parts:
(1)
The removal of the control wheel drum (with or without the ribs and brackets connected)
(2)
The installation of the control wheel drum (with or without the ribs and brackets connected)
(3)
The installation of the control cabin air duct
(4)
A check of the rigging
(5)
The adjustment of the left aileron control cables AA and AB
(6)
The adjustment test of the control wheel drum
(7)
The adjustment of the roll force transducer
(8)
The test of the roll force tranducer
(9)
AIRPLANES WITH THE AILERON FORCE LIMITER;
The test of the aileron force limiter.
TASK 27-11-51-004-003
2. Aileron Control Wheel Drum Removal (with Ribs and Brackets Connected)__________________________________
A. Special Tools and Equipment
(1)
SE27-0001 - Straightedge
(2)
F70207-93 or -97 Rigging Pins Kit:
~...................................................................... | | | DIAMETER | LENGTH | | | REF NO. | F70207-( )| (INCHES) | (INCHES) | FUNCTION | ........................................................................ | A/S-1 | -13 | 0.309-0.311 | 2.35 |0.06 | AILERON TRANSFER | | | | | | MECHANISM | | A/S-1A | -19 | 0.309-0.311 |8.25+/- 0.25| AILERON TRANSFER | | | | | | MECHANISM | | A/S-15 | -85 | 0.309-0.311 | 2.5 |0.25 | AILERON TRIM | | | | | | MECHANISM | 2.........…...........….............…............….....................1
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