STOP FITTING 10. STOP ON THE DOOR PIN
A
0.15 INCH CLEARANCE
0.10
9. LATCH FITTING
THREADED
BUSHING
8. LATCH ROLLER FUSELAGE STRUCTURE
11. RETAINER
SEALANT B 4. WASHERS SPRING C
5. SERRATED PLATES STOP FITTING ON THE DOOR FRAME UP
6. LATCH ROLLER
CRANK C
X DIMENSION OUTBD
7. "C" WASHERS (CLEARANCE) STOP PIN
B D
A
DOOR STRUCTURE
CONTACT POINT
INBD DOOR LATCH FITTING BETWEEN LATCH ROLLER
AND INBOARD SURFACE
C 9. LATCH FITTING OF LATCH FITTING
FWD (ON BODY)
8. LATCH ROLLER
LATCH ROLLER CLEARANCE
0.19
INCH
0.10 LATCH ROLLER CRANK (ON DOOR) DOOR STOP PIN
A-A CENTERLINE MUST
11. "C" WASHER FALL IN 0.30 INCH
SEALANT BEAD
INSTALL OPEN END DIAMETER CIRCLE ON
(4 LOCATIONS, STOP PADOF "C" WASHERS IN 90` APART) DIFFERENT POSITIONS
STOP PAD 0.30 INCH
ON BODY DIAMETER
DOOR STOP PINB-B
ALIGNMENT C-C
Main Entry Door 5 Adjustment Figure 501 (Sheet 2)
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A
747-400 MAINTENANCE MANUAL
14. CENTERING GUIDE SUPPORT FUSELAGE STRUCTURE
D D
SERRATED PLATE
12. CENTERING GUIDE
MAIN DOOR WASHERS
LATCH GAGE BAR (PUSH TIGHTLY AGAINST THE PUSHROD)
DOOR STRUCTURE
TORQUE TUBE
13. CENTERING BELLCRANK GUIDE TRACK
CENTERING GUIDE
HOLD-OPEN
LATCH RELEASE 16. HOLD-OPEN E MAIN DOOR
LEVER LATCH CLEVIS LATCH GAGE 1
FITTING INBD
FEELER GAGE 2
SERRATED PLATE
ADJUSTMENT BOLT
OVERCENTER
DIMENSION 1 2
SLOTTED AND
SERRATED UPPER GATE PUSHROD
WASHER
(UPPER GATE SHOWN, LOWER GATE SIMILAR)
F
ADJUSTMENT BOLT 0.10 INCH
15. DOOR OPEN 13. CENTERINGBODY MINIMUM
TORQUE STOP FITTING GUIDE TRACK
TUBE
HOLD-OPEN LATCH
G
0.10 INCH MINIMUM
1 USE THE MAIN DOOR LATCH GAGE TO MEASURE THE OVERCENTER DIMENSION 12. CENTERING GUIDE
OVERCENTER DIMENSION GATE____________________CLEARANCE
LOWER 0.112 TO O.140
0.05
INCH
UPPER 0.140 MINIMUM 0.02
0.00 INCH OF THE UPPER GATE IS EQUAL TO OR MINIMUM GREATER THAN THE LOWER GATE D-D
2
MAKE SURE THE OVERCENTER DIMENSION
Main Entry Door 5 Adjustment Figure 501 (Sheet 3)
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A
747-400 MAINTENANCE MANUAL
UPPER GUIDE ARM HINGE ARM ROLLER PIN
ROLLER RETAINER BOLT
E
3 HINGE ARM
DIFFERENTIAL THREAD SLEEVE F
SEAR PIN
GUIDE ARM TRIGGER
F
GUIDE ARM BODY TORQUESUPPORT FITTING TUBE
E DOOR HINGE HOUSING
SEAR PIN ENGAGEMENT GUIDE ARM
H I
9.61
INCHES9.55
GUIDE ARM GUIDE ARM
SUPPORTELBOW PIN
ROLLER PIN SLEEVE 4 FITTINGY WASHERS GUIDE ARM LOCKNUT
A71837
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SPACERS
BUSHING ADJUSTING
Y CAM PLATE E-E FITTING
SEAR PIN ENGAGES
TRIGGER 0.12 INCH MINIMUM
(WHEN THE MODE SELECTOR LEVER
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