(f)
Make sure the tension in the two cables is approximately the same.
(g)
If you cannot easily install the rig pins, if the tension is not in the limits, or if you installed new cables, adjust the cable tension: 1) Install the rig pins A/S-1 and A/S-1A in the transfer
mechanism (Fig. 502). 2) Adjust the cables until you can easily install the rig pin A/S-3 (Fig. 503). 3) Make sure the tension in the cables is in the limits shown in the Fig. 501. 4) Make sure the tension in the cables is approximately the same.
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A 737-300/400/500MAINTENANCE MANUAL
CABLES WSB
TURNBUCKLES
SPOILER MIXER RIG PIN A/S-14 SPEED BRAKE INPUT QUADRANT S/B-2 SEE FIG. 503
TURNBUCKLES
CABLES WSA
CABLES WSB NO. 7 ACTUATOR QUADRANT RIG PIN A/S-11 SEE FIG. 504
NO. 3 ACTUATOR
QUADRANT SPOILER CONTROL
RIG PIN A/S-9 QUADRANT
NO. 2 ACTUATOR SEE FIG. 504 LOWER LEVEL
QUADRANT RIG PIN A/S-3
RIG PIN A/S-8 AILERON BUS DRUM SEE FIG. 503
SEE FIG. 504 RIG PIN A/S-4
SEE FIG. 503
NO. 6 ACTUATOR QUADRANT RIG PIN A/S-10 SEE FIG. 504
CABLES WSA
CABLE AB
TURNBUCKLES
CABLE AA
TRANSFER MECHANISM RIG PIN A/S-1 AND A/S-1A SEE FIG. 502
Spoiler Control System - Rig Pin Locations and Cable Tension
Figure 501 (Sheet 1)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
TABLE I
AA & AB CABLE WSA & WSB CABLE
TEMPERATURE `F TENSION - POUNDS TENSION - POUNDS
1 +10/-0 2 +10/-0 3
110 133 81
90 124 75
70 115 70
50 107 66
30 99 61
10 90 56
-10 82 50
-30 74 45
-40 68 41
TO MAKE SURE YOU GET THE CORRECT CABLE TENSION, PERMIT THE AIRFRAME TEMPERATURE TO STABILIZE (+/-5 DEGREES) FOR A MINIMUM OF ONE HOUR.
FOR A PERIODIC ADJUSTMENT WITHOUT A DISCREPANCY REPORT, THE CABLE TENSION LIMITS ARE +15/-30 POUNDS FROM THE VALUES IN THE TABLE I. FOR CABLE TENSION CHECKS AFTER A DISCREPANCY REPORT, THE LIMITS ARE |15 POUNDS FROM THE VALUES IN THE TABLE. WHENEVER YOU ADJUST THE TENSION OF THE CABLE, YOU MUST GET THE VALUES IN THE TABLE.
FOR A PERIODIC ADJUSTMENT WITHOUT A DISCREPANCY REPORT, THE CABLE TENSION LIMITS ARE +15/-20 POUNDS FROM THE VALUES IN THE TABLE. FOR CABLE TENSION CHECKS AFTER A DISCREPANCY REPORT, THE LIMITS ARE |15 POUNDS FROM THE VALUES IN THE TABLE. WHENEVER YOU ADJUST THE TENSION OF THE CABLE, YOU MUST GET THE VALUES IN THE TABLE.
Spoiler Control System - Rig Pin Locations and Cable Tension
Figure 501 (Sheet 2)
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ú 01 Page 506
ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
5) Install the lock clips on the turnbuckles. 6) Remove the rig pins No. A/S-1, A/S-1A, and A/S-3.
(h) Close the forward access door.
S 825-013
(3)
Adjust the aileron spring cartridge:
(a)
Disconnect the spring cartridge from the lower lever on the spoiler control quadrant (Fig. 503).
(b)
Install the rig pin A/S-3 in the lower lever of the spoiler control quadrant.
(c)
Install the rig pin A/S-4 in the aileron bus drum.
(d)
Make sure you can install the bolt to connect the cartridge to the lower lever with no deflection in the cartridge. 1) Adjust the spring cartridge if you cannot install the bolt: 2) Loosen the rod end checknut. 3) Adjust the rod end until you can install the bolt. 4) Tighten the rod end checknut to 10-20 pound-inches.
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