S 034-009
(3)
Disconnect the speed brake control cables from the speed brake input quadrant (Fig. 403):
(a)
Install the cable clamps at the pressure seals in the wheel well to keep a small tension on the cables.
(b)
Remove the lock clips from the turnbuckles in the lower nose compartment.
(c)
Release the tension in the cables.
NOTE: Do not disconnect the turnbuckles.
____
(d)
Attach a tag to the cables for identification during the installation.
(e)
Remove the cable SBB from the speed brake input quadrant.
S 034-010
(4)
Disconnect the ratio changer input rod from the input crank (Fig. 401):
(a)
Remove the bolt that attaches the input rod to the input crank.
(b)
If you will install a new ratio changer, remove the rod end bolt from the input rod.
S 034-011
(5)
Loosen the rod guard to get access to the ratio changer mounting bolts:
(a)
Remove the four bolts that attach the rod guard.
(b)
Move the rod guard until you can get access to the mounting bolts.
S 024-012
(6)
Remove the ratio changer:
(a)
Remove the three bolts that attach the ratio changer.
(b)
Remove the three mounting bushings from the ratio changer.
(c)
Remove the ratio changer from the airplane.
(d)
Remove the cable SBA from the ratio changer.
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ALL ú ú 01 Page 404 ú Mar 15/94
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500
MAINTENANCE MANUAL
TABLE I
1 TEMP `F +10/-0 2TENSION - POUNDS WSA & WSB CABLE
110 81
90 75
70 70
50 66
30 61
10 56
-10 50
-30 45
-40 41
TENSION LIMITS ARE +15/-20 POUNDS FROM THE VALUES IN THE TABLE I. FOR CABLE TENSION CHECKS AFTER A DISCREPANCY REPORT, THE LIMITS ARE |5 POUNDS FROM THE VALUES IN THE TABLE. WHENEVER YOU ADJUST THE TENSION OF THE CABLE, YOU MUST GET THE VALUES IN THE TABLE.
LOCKWIRE
WSA 2
(EXAMPLE 4 LOCATIONS)
Spoiler Control Cable Turnbuckle Location and Cable Tension
Figure 402
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27-61-31
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ú 01 Page 405
ú Mar 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500
MAINTENANCE MANUAL
GROUND SPOILER
TABLE I
TEMP `F CABLE TENSION -
1 POUNDS +10/-0
2
110 118
90 109
70 100
50 92
30 84
10 75
-10 67
-30 59
-40 53
(|5 DEGREES) FOR A MINIMUM OF ONE HOUR.
YOU MUST ADJUST THE SPEED BRAKE CABLES WHEN THE TENSION IS |15 POUNDS FROM THE VALUES IN THE TABLE I.
Speed Brake Control System Turnbuckle Locations and Cable Tension
Figure 403
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
S 024-028
(7) Remove the rod guard.
TASK 27-61-31-404-013
3. Spoiler Ratio Changer Installation
__________________________________
A. Special Tools and Equipment
(1) Rig Pin Kit - F70207-93:
~.............................................................................. | | | Diameter | Length | | | Ref No. | F70207-( )| (inches) | (inches) | Function | ................................................................................ | A/S-3 | -8 | 0.309-0.311 | 3.7 |0.25 | SPOILER CONTROL QUADRANT | | | | | | LOWER LEVER | | A/S-8 | -23 | 0.246-0.248 | 3.7 |0.25 | SPOILER ACTUATOR QUADRANT | | | | | | (LEFT WING) | | A/S-9 | -23 | 0.246-0.248 | 3.7 |0.25 | SPOILER ACTUATOR QUADRANT | | | | | | (LEFT WING) | | A/S-10 | -23 | 0.246-0.248 | 3.7 |0.25 | SPOILER ACTUATOR QUADRANT | | | | | | (RIGHT WING) | | A/S-11 | -23 | 0.246-0.248 | 3.7 |0.25 | SPOILER ACTUATOR QUADRANT | | | | | | (RIGHT WING) | | A/S-14 | -11 | 0.309-0.311 | 6.7 |0.25 | SPOILER MIXER | | S/B-1 | -8 | 0.309-0.311 | 6.7 |0.25 | SPEED BRAKE FORWARD DRUM | | S/B-2 | -13 | 0.309-0.311 | 2.35 |0.06 | SPEED BRAKE INPUT | | | | | | QUADRANT | 2.........…...........….............…............….............................1
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