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SUSPENSION - DOOR - INSPECTION/CHECK
____________________________________
TASK 52-11-12-220-001
Detailed Visual Inspection of the Door Suspension Mechanism
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific access platform 3.50 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-42-00-861-001 Energize the Ground Service Network from the External Power 24-42-00-862-001 De-energize the Ground Service Network Supplied from
the External Power 52-10-00-010-001 Opening of the Passenger/Crew Door 52-10-00-410-001 Closing of the Passenger/Crew Door 52-10-00-860-001 Special Precautions before Work on the Passenger/Crew
Door 52-10-00-860-002 Special Precautions after Work on the Passenger/Crew
Door 52-10-00-915-001 Replacement of the Bushes 52-11-12-000-001 Removal of the Door Support Arm, the Door Buffer, the
Door Unlocking Handle and the Door Stay Mechanism
52-11-12-400-001 Installation of the Door Support Arm, the Door Buffer, the Door Unlocking Handle and the Door Stay Mechanism
52-11-12-991-011 Fig. 601 52-11-12-991-012 Fig. 602
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3. Job Set-up
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Subtask 52-11-12-861-051
A. Energize the ground service network
(Ref. TASK 24-42-00-861-001)
Subtask 52-11-12-010-059
B. Get Access
WARNING : BEFORE YOU START WORK ON THE DOOR, MAKE SURE THAT:
_______
-
THE EMERGENCY CONTROL HANDLE IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.
-
THE PERCUSSION LEVER OF THE DOOR-DAMPER AND EMERGENCY-OPERATION CYLINDER IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.
WARNING : DO NOT OPEN THE PASSENGER/CREW DOOR IF THE WIND SPEED IS MORE
_______
THAN 65 KNOTS.
WARNING : STOP THE OPENING PROCEDURE IF THE RED WARNING LIGHT FLASHES.
_______ RESIDUAL PRESSURE COULD CAUSE THE DOOR TO OPEN WITH A SUDDEN FORCE AND INJURE PERSONS AND/OR DAMAGE THE AIRCRAFT.
(1)
Put the access platform in position at the applicable FWD passenger/crew door 831 or 841.
(2)
Open the applicable FWD passenger/crew door 831 or 841 (Ref. TASK 52-10-00-010-001).
(3)
Obey the special precautions before you start work on the door (Ref. TASK 52-10-00-860-001)
Subtask 52-11-12-865-058
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU EIS/SLIDES/ARM AND WARN/FLT 15WN P11 121VU EIS/SLIDES/ARM AND WARN/GND 13WN P10 121VU EIS/SDAC1 AND 2/DOOR/DET/PAX 48WV P05
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Subtask 52-11-12-020-057
D. Removal of the Door Suspension Mechanism
(Ref. TASK 52-11-12-000-001)
(1)
Remove the door stay mechanism, if not removed.
(2)
Remove the support arm, if not removed.
4. Procedure
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Subtask 52-11-12-220-053
A. Inspection of the Support Arm
(Ref. Fig. 601/TASK 52-11-12-991-011)
(1)
Do a detailed visual inspection of the bushes and the part of the support arms.
(2)
Make sure that the dimensions are correct.
-------------------------------------------------------------------------------| FIG. | ORIGINAL MANUFACTURING LIMITS | IN-SERVICE WEAR LIMITS | | DETAIL |---------------------------------------|----------------------------| | AND | DIMENSION | ASSEMBLY CLEARANCE| DIMENSION LIMITS | MAX. | | ITEM | MM (IN.) | MM (IN.) | MM (IN.) | ALLOW. | | NO. |-------------------|-------------------|---------|---------| CLEAR. | | | MIN. | MAX. | MIN. | MAX. | MIN. | MAX. |MM (IN.)| |--------|---------|---------|---------|---------|---------|---------|--------| | CC | | | | | | | | | OD1 | 15.880 | 15.893 | | | 15.867 | | | | | (0.6251)| (0.6257)| | | (0.6246)| | | | | | | 0.000 | 0.038 | | | 0.078 | | | | | (0.0000)| (0.0015)| | |(0.0030)| | ID2 | 15.893 | 15.918 | | | | 15.944 | | | | (0.6257)| (0.6266)| | | | (0.6277)| | -------------------------------------------------------------------------------| DD | | | | | | | | | OD3 | 12.704 | 12.715 | | | 12.691 | | | | | (0.5001)| (0.5006)| | | (0.4996)| | | | | | | 0.000 | 0.037 | | | 0.0074 | | | | | (0.0000)| (0.014)| | |(0.0029)| | ID4 | 12.715 | 12.741 | | | | 12.765 | | | | (0.5006)| (0.5016)| | | | (0.5025)| | -------------------------------------------------------------------------------
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