NOTE: Look at the cam follower through the right grease
____ fitting access hole.
Turn the captain's aileron control wheel to the neutral position.If the cam followers are not on the maximum rise, adjust the speed brake control cables SBA and SBB (Fig. 403): 1) Use the turnbuckles to make the cable SBB shorter by
one-half turn and make the cable SBA longer by one-half turn.
NOTE: The cable SBB is the lower cable on the speed brake
____ quadrant on the ratio changer. The speed brake quadrant will turn clockwise when you tighten the cable SBB.
2) Make sure the cable tension is in the limits shown in Fig. 403. 3) Do the steps again to make sure the cam followers are on the maximum rise part of the cam on the spoiler mixer.
NOTE: After the adjustment, it is not necessary for the
____
rig pin S/B-2 to fit in the rig pin hole.
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737-300/400/500MAINTENANCE MANUAL
4) Install the lock clips on the turnbuckles.
(j) Install the two grease fitting access covers on the spoiler mixer (Fig. 401).
S 724-026
(14)
Do the functional test of the ratio changer (Ref 27-61-31/501).
S 414-027
(15)
Close the access panels:
(a)
Close the forward access door 1103.
(b)
Install the forward nose wheel well panel 3104.
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737-300/400/500MAINTENANCE MANUAL
SPOILER RATIO CHANGER - ADJUSTMENT/TEST
_______________________________________
1. General
_______
A. There is one task in this procedure, a functional test of the spoiler ratio changer.
TASK 27-61-31-725-001
2. Spoiler Ratio Changer Functional Test
_____________________________________
A. Special Tools and Equipment
(1)
4MIT65B80307-1 Control Surface Protractor (Preferred) (3 Necessary)
(2)
F52485-500 Control Surface Protractor (Optional) (2 Necessary)
(3)
F71292-17 Control Surface Protractor Stand (optional) (2 necessary)
(4)
F72790 Aileron Control Wheel Protractor Mount
(5)
Rig Pins A/S-4 - 0.311 +0.000/-0.002 inch diameter, 6.7 |0.25-inches long (F70207-11)
NOTE: The rig pin is a part of the kit F70207-69, -78, or -83.
____
B. Standard Tools and Equipment
(1)
Spring Scale - 0 to 30 pound range
C.
References
(1)
24-22-00/201, Manual Control
(2)
27-61-00/201, Spoiler Control System
D.
Access
(1)
Location Zone 101, 102 Control Cabin 307, 407 Wing Trailing Edge Outboard Flaps and Spoilers 309, 409 Wing Trailing Edge Inboard Flaps and Spoilers
E.
Prepare for the Functional Test
S 865-002
(1)
Supply the electrical power (Ref 24-22-00/201).
S 865-003
(2)
Supply the systems A and B hydraulic power (Ref 27-61-00/201).
S 485-004
(3)
Install the protractor mount and the protractor on the captain's aileron control wheel.
S 485-005
(4)
Install the protractor stands and the protractors on the spoilers No. 2 and 7.
NOTE: You can use hand held protractors on the spoilers.
____
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