-
THE PERCUSSION LEVER OF THE DOOR-DAMPER AND EMERGENCY-OPERATION CYLINDER IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.

 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 an access platform in position in front of the applicable passenger/crew door 831 or 841.

 (2)
 Open the FWD applicable 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 52-73-11-865-050
 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
 1EFF : ALL 1 52-73-11Page 402 1 1 Feb 01/98 1 1 1CES 1 Subtask 52-73-11-010-058

 D. Removal of the Lining Panel
 (1)
 Remove the lining panel:
 FOR 4WN1
 831CZ (Ref. TASK 25-23-46-000-001).
 FOR 4WN2
 841CZ (Ref. TASK 25-23-46-000-001).

 (2)
 Remove the insulation blanket.

 4. Procedure
_________ Subtask 52-73-11-020-050
 A. Removal of the Proximity Switch
 (Ref. Fig. 401/TASK 52-73-11-991-001)

 (1)
 Disconnect the electrical connector (1) from the proximity switch (2).

 (2)
 Put blanking caps on the disconnected electrical connectors.

 (3)
 Remove and discard the lockwire.

 (4)
 Remove the nut (5) and the washer (4).

 (5)
 Remove the proximity switch (2) from the support (3).

 1EFF : ALL 1 52-73-11Page 403 1 1 Feb 01/98 1 1 1CES 1

 Proximity Switches (4WN1, 4WN2) of the Passenger/Crew Door
 Figure 401/TASK 52-73-11-991-001

 1EFF : ALL 1 52-73-11Page 404 1 1 Feb 01/98 1 1 1CES 1 TASK 52-73-11-400-001

 Installation of the Proximity Switches (4WN1, 4WN2) of the FWD Passenger/Crew Doors
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 19-010  USA AMS 5687 LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA (Ref. 20-31-00)
 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 52-10-00-410-001 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
 52-71-00-820-002  Adjustment of the Proximity Switches (4WN1, 4WN2, 7WN1, 7WN2, 13WV1, 13WV2, 17WV1, 17WV2) of the Passenger/Crew Doors with the CHECKING TOOL-DOORS
 52-73-00-710-001  Operational Test of the Emergency Escape Slide
 Release System of the Passenger/Crew Doors 52-73-11-991-001 Fig. 401 FOR FIN 4WN2 25-23-46-400-001 Installation of the Door Linings at the FWD
 Passenger/Crew Doors FOR FIN 4WN1
 1EFF : ALL 1 52-73-11Page 405 1 1 Feb 01/98 1 1 1CES 1 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------

25-23-46-400-001  Installation of the Door Linings at the FWD Passenger/Crew Doors
 3. Job Set-up
__________ Subtask 52-73-11-860-053
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the ground service network is energized
 (Ref. TASK 24-42-00-861-001).

 (2)
 Make sure that the safety precautions are obeyed (Ref. TASK 52-10-00-860-001).

 (3) Make sure that the access platform is in position. Subtask 52-73-11-865-051
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
　
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