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A
737-300/400/500MAINTENANCE MANUAL
DEFLECTOR DOOR
MODULATION INLET MODULATION
DOOR SHAFT PANEL QUADRANT
SUPPORT ASSEMBLY
FWD RIGGING PIN (5/16-INCH ACCESS PANEL DIAMETER)
INSTALL SHOP AID INBD IF NECESSARY
SEE D
INLET MODULATION PANEL AND DEFLECTOR DOOR
DUCT C WHEEL 0.25 INCH (7.62 0.30 mm) 6.35 8.89 0.35 (6.731 6.858 INCH0.265 mm) 6.731 0.270 0.265
CLAMP WELL WEB
FLEXIBLE
DUCT ARM
SHOP AID: FULL RADIUS
MAKE FROM
BACB30NF 7-17
COVER
D
PIN HOLE FOR RIGGING PIN (1/4-INCH DIAMETER)
INBD
TORQUE SHAFT
LOUVER ASSEMBLY
FWD
RAM AIR EXHAUST LOUVER ASSEMBLY E1
Ram Air Inlet Control Cables Adjustment Figure 501 (Sheet 2)
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A 737-300/400/500MAINTENANCE MANUAL
RIG PIN HOLE FOR FLIGHT OPEN POSITION
RIG PIN HOLE FOR
FULL (GROUND)
OPEN POSITION
(5/16-INCH DIAMETER)
TORQUE SHAFT QUADRANT
F
Ram Air Inlet Control Cables Adjustment
Figure 501 (Sheet 3)
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H22857
A 737-300/400/500MAINTENANCE MANUAL
FITTING 2
FITTING 1
CABLE C
REF CABLE MB - CLOSED MA - OPEN FUNCTION NO. DRAWING REQ NO. L2L1 (INCHES) LENGTH SIZE CABLE FITTINGS
1 2 3
A RAMA 69-41215-1 2 137.90 3/32 7x7 BACT14A3 MS21260-L3LH ----
B RAMB 69-41215-1 2 137.90 3/32 7x7 BACT14A3 MS21260-L3LH ----
C RAMC 69-69425-1 2 19.5 9.7 3/32 7x7 MS21260-L3RH MS21260-L3RH BACT14B3
CODE CABLE FUNCTION
RAMA ACTUATOR RETRACTED
QUADRANT CLOCKWISE
INLET OPEN
RAMB ACTUATOR EXTENDED
QUADRANT COUNTER-
CLOCKWISE INLET CLOSED
CHART PANEL CONTROL CABLE TENSION RAM AIR INLET MODULATION
TEMP `F AMBIENT LOAD |5 LBS CABLE RIGGING
110 88
90 79
70 70
50 61
30 52
10 42
-10 33
-30 24
-40 19
Ram Air Inlet Control Cables Adjustment
Figure 501 (Sheet 4)
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H22871
A
737-300/400/500MAINTENANCE MANUAL
RAM AIR EXHAUST MODULATION LOUVER ASSEMBLY - REMOVAL/INSTALLATION
_________________________________________________________________
1. General
_______
A. This procedure has two tasks. The first task is the removal of the ram air exhaust modulation louver assembly. The second task is the installation of the ram air exhaust modulation louver assembly.
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