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B48874
A 737-300/400/500MAINTENANCE MANUAL
LONGER ARM
FWD
INBD
TOP GUIDE ARM SEE A SHORTER ARM (TOP VIEW) DOOR ADJUSTMENT KEEPER 1 CHECK NUT
TOP GUIDE ARM
BEARING ROD END
1 BEHIND THE KEEPER ADJUSTMENT NUT IS HINGE
(ON FUSELAGE) HINGE DOOR
(DOOR OPEN) TOP HINGE GUIDE ARM
___________________ 6. ATTACH THE KEEPER ON THE GUIDE ARM. 5. TIGHTEN THE CHECK NUT. 4. TURN THE ADJUSTMENT NUT TO CHANGE THE LENGTH OF THE GUIDE ARM: 3. LOOSEN THE CHECK NUT. 2. REMOVE THE KEEPER FROM THE END OF THE GUIDE ARM. b. MAKE THE ARM LONGER TO MOVE THE AFT EDGE OF THE DOOR OUTBOARD. a. MAKE THE ARM SHORTER TO MOVE THE AFT EDGE OF THE DOOR INBOARD. PARALLEL ADJUSTMENT 1. PARTIALLY OPEN THE DOOR.
___________________NECESSARY CONDITION: THEIR LATCH FITTINGS AT THE SAME TIME. THE FORWARD AND AFT LATCH ROLLERS MUST ENTER
Figure 510 Parallel Adjustment
B48253
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500
MAINTENANCE MANUAL
___________________VERTICAL ADJUSTMENT
1. REMOVE THE COTTER PINS FROM THE ADJUSTMENT TOP NUT
NUTS ON THE VERTICAL TORQUE TUBE.
2. LOOSEN THE TOP NUT IF YOU WILL ADJUST THE
DOOR IN THE UP DIRECTION.
3. TURN THE BOTTOM ADJUSTMENT NUT TO MOVE THE
DOOR UP OR DOWN UNTIL THE DOOR IS IN THE
CORRECT POSITION VERTICALLY. TORQUE
____NOTE: THE GATE CLEARANCE WILL CHANGE TUBE
APPROXIMATELY 0.02 INCH FOR EVERY
NOTCH YOU TURN THE NUT (0.04 INCH
FOR 1/4 OF A TURN).
FOR A LARGE VERTICAL ADJUSTMENT, REMOVE THE THREE BOLTS AND THE PUSH ROD
CENTERING GUIDE ON THE AFT EDGE
CAUTION:_______ OF THE DOOR. CAUSE DAMAGE TO THE BEARING IN THE DO NOT OVERTIGHTEN THE NUT. YOU CAN NUT ADJUSTMENT HANDLE INTERNAL
HANDLE MECHANISM.
4. TIGHTEN THE TOP NUT. FWD INBD
5. INSTALL THE COTTER PINS IN THE NUTS. 6. INSTALL THE CENTERING GUIDE IF YOU REMOVED IT. VERTICAL ADJUSTMENT NUTS
7. MAKE SURE THE CENTERING GUIDE TRACK CLEARANCE
IS CORRECT (SEE FIG. 517).
TOP GATE
0.06 TO 0.18 INCH CLEARANCE 2
____________________NECESSARY CONDITIONS: 0.13 TO 0.28 INCH CLEARANCE 3
1. THE GATE CLEARANCE MUST HAVE THE NECESSARY
DIMENSIONS.
2. EACH DOOR STOP PIN MUST ALIGN WITH THE
STOP PAD TARGET.
ROUND STOP PAD
0.30 INCH DIAMETER TARGET (IN THE CENTER OF THE STOP PAD)
1
STOP PIN LOCATION
BOTTOM GATE 1 THE CENTERLINE OF THE STOP PIN
0.06 TO 0.18 INCH MUST BE IN THE SHADED AREA.
CLEARANCE 2 FORWARD DOOR
GATE CLEARANCE
3 AFT DOOR
Vertical Adjustment Figure 511
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
LATCH FITTING
(4 LOCATIONS)
SEEA
DOOR FLUSHNESS
ADJUSTMENT
FWD
INBD
DOOR FLUSHNESS ADJUSTMENT
DOOR FLUSHNESS ADJUSTMENT
1.
MOVE THE STOP PINS THAT ARE NEAR THE
FITTING INBOARD UNTIL THEY WILL NOT
INTERFERE WITH THE ADJUSTMENT.
2.
LATCH FITTINGS WITH A DOOR WARNING SWITCH: REMOVE THE SWITCH COVER AND LOOSEN THE BOLT THAT HOLDS THE SWITCH IN POSITION.
3.
LOOSEN THE THREE FASTENERS ON THE LATCH
FITTING.
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