Adjustment of the Proximity Switches of the Overwing Emergency-Exit Door
TASK 52-71-00-820-805-A
Adjustment of the Proximity Switches of the Overwing Emergency-Exit Door
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 52-71-00-860-075-A ** ON A/C NOT FOR ALL
Subtask 52-71-00-820-087-D ** ON A/C NOT FOR ALL
Subtask 52-71-00-410-104-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:28:31 UTC
Adjustment of the Proximity Switches of the Overwing Emergency-Exit Door
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
FIN: 31WN1 ** ON A/C NOT FOR ALL
FIN: 31WN2 ** ON A/C NOT FOR ALL
FIN: 31WN3 ** ON A/C NOT FOR ALL
FIN: 31WN4 ** ON A/C NOT FOR ALL
FIN: 32WN1 ** ON A/C NOT FOR ALL
FIN: 32WN2 ** ON A/C NOT FOR ALL
FIN: 32WN3 ** ON A/C NOT FOR ALL
FIN: 32WN4 ** ON A/C NOT FOR ALL
FIN: 33WN1 ** ON A/C NOT FOR ALL
FIN: 33WN2 ** ON A/C NOT FOR ALL
FIN: 33WN3 ** ON A/C NOT FOR ALL
FIN: 33WN4 ** ON A/C NOT FOR ALL
FIN: 34WN1 ** ON A/C NOT FOR ALL
FIN: 34WN2 ** ON A/C NOT FOR ALL
FIN: 34WN3 ** ON A/C NOT FOR ALL
FIN: 34WN4 ** ON A/C NOT FOR ALL
1. Reason for the JobFIN: 31WN2 ** ON A/C NOT FOR ALL
FIN: 31WN3 ** ON A/C NOT FOR ALL
FIN: 31WN4 ** ON A/C NOT FOR ALL
FIN: 32WN1 ** ON A/C NOT FOR ALL
FIN: 32WN2 ** ON A/C NOT FOR ALL
FIN: 32WN3 ** ON A/C NOT FOR ALL
FIN: 32WN4 ** ON A/C NOT FOR ALL
FIN: 33WN1 ** ON A/C NOT FOR ALL
FIN: 33WN2 ** ON A/C NOT FOR ALL
FIN: 33WN3 ** ON A/C NOT FOR ALL
FIN: 33WN4 ** ON A/C NOT FOR ALL
FIN: 34WN1 ** ON A/C NOT FOR ALL
FIN: 34WN2 ** ON A/C NOT FOR ALL
FIN: 34WN3 ** ON A/C NOT FOR ALL
FIN: 34WN4 ** ON A/C NOT FOR ALL
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 1 | WARNING NOTICE(S) |
| FOR [31WN1] (PROX SW-LOCK 1, L FWD OVERWING DOOR) | ||
| FOR [31WN2] (PROX SW-LOCK 1, R FWD OVERWING DOOR) | ||
| FOR [31WN3] (PROX SW-LOCK 1, L AFT OVERWING DOOR) | ||
| FOR [31WN4] (PROX SW-LOCK 1, R AFT OVERWING DOOR) | ||
| FOR [32WN1] (PROX SW-LOCK 2, L FWD OVERWING DOOR) | ||
| FOR [32WN2] (PROX SW-LOCK 2, R FWD OVERWING DOOR) | ||
| FOR [32WN3] (PROX SW-LOCK 2, L AFT OVERWING DOOR) | ||
| FOR [32WN4] (PROX SW-LOCK 2, R AFT OVERWING DOOR) | ||
| FOR [34WN1] (PROX SW-ESC SLIDE HANDLE, L FWD OVERWING DOOR) | ||
| FOR [34WN2] (PROX SW-ESC SLIDE HANDLE, R FWD OVERWING DOOR) | ||
| FOR [34WN3] (PROX SW-ESC SLIDE HANDLE, L AFT OVERWING DOOR) | ||
| FOR [34WN4] (PROX SW-ESC SLIDE HANDLE, R AFT OVERWING DOOR) | ||
| No specific | 1 | GAGE - FEELER |
| FOR [33WN1] (PROX SW-HANDLE FLAP, L FWD OVERWING DOOR) | ||
| FOR [33WN2] (PROX SW-HANDLE FLAP, R FWD OVERWING DOOR) | ||
| FOR [33WN3] (PROX SW-HANDLE FLAP, L AFT OVERWING DOOR) | ||
| FOR [33WN4] (PROX SW-HANDLE FLAP, R AFT OVERWING DOOR) | ||
| No specific | 1 | CALIPER |
| REFERENCE | DESIGNATION |
|---|---|
| FOR [33WN1] (PROX SW-HANDLE FLAP, L FWD OVERWING DOOR) | |
| FOR [33WN2] (PROX SW-HANDLE FLAP, R FWD OVERWING DOOR) | |
| FOR [33WN3] (PROX SW-HANDLE FLAP, L AFT OVERWING DOOR) | |
| FOR [33WN4] (PROX SW-HANDLE FLAP, R AFT OVERWING DOOR) | |
| (Material No.14VGF1) | Individual Compound-- Modeling Paste - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 833, 834, 843, 844 | |
| FOR [31WN1] (PROX SW-LOCK 1, L FWD OVERWING DOOR) | |
| FOR [31WN2] (PROX SW-LOCK 1, R FWD OVERWING DOOR) | |
| FOR [31WN3] (PROX SW-LOCK 1, L AFT OVERWING DOOR) | |
| FOR [31WN4] (PROX SW-LOCK 1, R AFT OVERWING DOOR) | |
| FOR [32WN1] (PROX SW-LOCK 2, L FWD OVERWING DOOR) | |
| FOR [32WN2] (PROX SW-LOCK 2, R FWD OVERWING DOOR) | |
| FOR [32WN3] (PROX SW-LOCK 2, L AFT OVERWING DOOR) | |
| FOR [32WN4] (PROX SW-LOCK 2, R AFT OVERWING DOOR) | |
| FOR [34WN1] (PROX SW-ESC SLIDE HANDLE, L FWD OVERWING DOOR) | |
| FOR [34WN2] (PROX SW-ESC SLIDE HANDLE, R FWD OVERWING DOOR) | |
| FOR [34WN3] (PROX SW-ESC SLIDE HANDLE, L AFT OVERWING DOOR) | |
| FOR [34WN4] (PROX SW-ESC SLIDE HANDLE, R AFT OVERWING DOOR) | |
| 833, 833AZ, 834, 834AZ, 843, 843AZ, 844, 844AZ | |
| FOR [33WN1] (PROX SW-HANDLE FLAP, L FWD OVERWING DOOR) | |
| FOR [33WN2] (PROX SW-HANDLE FLAP, R FWD OVERWING DOOR) | |
| FOR [33WN3] (PROX SW-HANDLE FLAP, L AFT OVERWING DOOR) | |
| FOR [33WN4] (PROX SW-HANDLE FLAP, R AFT OVERWING DOOR) | |
| 833, 833AZ, 834, 834AZ, 843, 843AZ, 844, 844AZ | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 25-62-00-081-001-A | Special Precautions after Work on the Offwing Escape-Slide Systems |
| TASK 25-62-00-481-001-A | Special Precautions before Work on the Offwing Escape-Slide Systems |
| TASK 52-22-00-410-802-A | Closing of the Overwing Emergency-Exit Door from the Passenger Compartment |
| TASK 52-73-00-710-002-E | Operational Test of the Warning System Related to the Emergency Exit Doors |
| FOR [31WN1] (PROX SW-LOCK 1, L FWD OVERWING DOOR) | |
| FOR [31WN2] (PROX SW-LOCK 1, R FWD OVERWING DOOR) | |
| FOR [31WN3] (PROX SW-LOCK 1, L AFT OVERWING DOOR) | |
| FOR [31WN4] (PROX SW-LOCK 1, R AFT OVERWING DOOR) | |
| FOR [32WN1] (PROX SW-LOCK 2, L FWD OVERWING DOOR) | |
| FOR [32WN2] (PROX SW-LOCK 2, R FWD OVERWING DOOR) | |
| FOR [32WN3] (PROX SW-LOCK 2, L AFT OVERWING DOOR) | |
| FOR [32WN4] (PROX SW-LOCK 2, R AFT OVERWING DOOR) | |
| FOR [34WN1] (PROX SW-ESC SLIDE HANDLE, L FWD OVERWING DOOR) | |
| FOR [34WN2] (PROX SW-ESC SLIDE HANDLE, R FWD OVERWING DOOR) | |
| FOR [34WN3] (PROX SW-ESC SLIDE HANDLE, L AFT OVERWING DOOR) | |
| FOR [34WN4] (PROX SW-ESC SLIDE HANDLE, R AFT OVERWING DOOR) | |
| TASK 25-23-47-000-803-A | Removal of the Door Lining from the Overwing Emergency Exit |
| TASK 25-23-47-400-803-A | Installation of the Door Lining on the Overwing Emergency Exit |
| FOR [33WN1] (PROX SW-HANDLE FLAP, L FWD OVERWING DOOR) | |
| FOR [33WN2] (PROX SW-HANDLE FLAP, R FWD OVERWING DOOR) | |
| FOR [33WN3] (PROX SW-HANDLE FLAP, L AFT OVERWING DOOR) | |
| FOR [33WN4] (PROX SW-HANDLE FLAP, R AFT OVERWING DOOR) | |
| TASK 25-23-47-400-803-A | Installation of the Door Lining on the Overwing Emergency Exit |
Subtask 52-71-00-860-075-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) On the overhead panel, on the SIGNS section of control panel 25VU, make sure that:
(4) On Flight Attendant Panel (FAP) 120RH, make sure that the EMER button and its light are off.
(5) Make sure that applicable overwing emergency-exit door 833 ( 843) or 834 ( 844) is closed, latched and locked (Ref. AMM TASK 52-22-00-410-802).
(6) Do the special precaution before you do work on the offwing escape-slide systems:
Subtask 52-71-00-865-091-A ** ON A/C NOT FOR ALL (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
(2) On the overhead panel, on the SIGNS section of control panel 25VU, make sure that:
- The EMER EXIT LT switch is in the OFF position.
- The NO PED switch is in the OFF position.
(4) On Flight Attendant Panel (FAP) 120RH, make sure that the EMER button and its light are off.
(5) Make sure that applicable overwing emergency-exit door 833 ( 843) or 834 ( 844) is closed, latched and locked (Ref. AMM TASK 52-22-00-410-802).
(6) Do the special precaution before you do work on the offwing escape-slide systems:
WARNING:
MAKE SURE THAT THE LOCK PIN IS CORRECTLY INSTALLED IN THE REGULATOR VALVE ASSEMBLY OF THE INFLATION RESERVOIR. THIS SAFETIES ALL COMPONENTS OF THE INFLATION SYSTEM IN OPERATION AND PREVENTS ACCIDENTAL:
(a) Do the special precaution before you do work on the offwing escape-slide systems (Ref. AMM TASK 25-62-00-481-001). - DISCHARGE OF THE INFLATION RESERVOIR
- DEPLOYMENT OF THE ESCAPE SLIDE
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 52-71-00-010-101-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | LIGHTING/EMER LT/CABIN | 2WL | H04 |
| 49VU | LIGHTING/EMER LT/CABIN | 1WL | H03 |
| 121VU | EIS/SDAC1 AND 2/DOOR/DET/PAX | 48WV | P05 |
| 122VU | FLIGHT LOCK OWD | 40WN | U16 |
| 122VU | LIGHTING/CABIN/EMER/LT | 3WL | V07 |
C. Get Access
(1) FOR [31WN1] (PROX SW-LOCK 1, L FWD OVERWING DOOR), [31WN2] (PROX SW-LOCK 1, R FWD OVERWING DOOR), [31WN3] (PROX SW-LOCK 1, L AFT OVERWING DOOR), [31WN4] (PROX SW-LOCK 1, R AFT OVERWING DOOR), [32WN1] (PROX SW-LOCK 2, L FWD OVERWING DOOR), [32WN2] (PROX SW-LOCK 2, R FWD OVERWING DOOR), [32WN3] (PROX SW-LOCK 2, L AFT OVERWING DOOR), [32WN4] (PROX SW-LOCK 2, R AFT OVERWING DOOR), [34WN1] (PROX SW-ESC SLIDE HANDLE, L FWD OVERWING DOOR), [34WN2] (PROX SW-ESC SLIDE HANDLE, R FWD OVERWING DOOR), [34WN3] (PROX SW-ESC SLIDE HANDLE, L AFT OVERWING DOOR), [34WN4] (PROX SW-ESC SLIDE HANDLE, R AFT OVERWING DOOR)
(a) Make sure that door lining (8) 833AZ ( 843AZ) or 834AZ ( 844AZ) of overwing emergency-exit door 833 ( 843) or 834 ( 844) is installed (Ref. AMM TASK 25-23-47-400-803).
(b) Open and remove the handle cover (9).
4. Procedure(1) FOR [31WN1] (PROX SW-LOCK 1, L FWD OVERWING DOOR), [31WN2] (PROX SW-LOCK 1, R FWD OVERWING DOOR), [31WN3] (PROX SW-LOCK 1, L AFT OVERWING DOOR), [31WN4] (PROX SW-LOCK 1, R AFT OVERWING DOOR), [32WN1] (PROX SW-LOCK 2, L FWD OVERWING DOOR), [32WN2] (PROX SW-LOCK 2, R FWD OVERWING DOOR), [32WN3] (PROX SW-LOCK 2, L AFT OVERWING DOOR), [32WN4] (PROX SW-LOCK 2, R AFT OVERWING DOOR), [34WN1] (PROX SW-ESC SLIDE HANDLE, L FWD OVERWING DOOR), [34WN2] (PROX SW-ESC SLIDE HANDLE, R FWD OVERWING DOOR), [34WN3] (PROX SW-ESC SLIDE HANDLE, L AFT OVERWING DOOR), [34WN4] (PROX SW-ESC SLIDE HANDLE, R AFT OVERWING DOOR)
- Remove door lining (8) 833AZ ( 843AZ) or 834AZ ( 844AZ) of overwing emergency-exit door 833 ( 843) or 834 ( 844) (Ref. AMM TASK 25-23-47-000-803).
(a) Make sure that door lining (8) 833AZ ( 843AZ) or 834AZ ( 844AZ) of overwing emergency-exit door 833 ( 843) or 834 ( 844) is installed (Ref. AMM TASK 25-23-47-400-803).
(b) Open and remove the handle cover (9).
Subtask 52-71-00-820-087-D ** ON A/C NOT FOR ALL
A. Adjustment of the Proximity Switches of the Overwing Emergency-Exit Door
(1) FOR [31WN1] (PROX SW-LOCK 1, L FWD OVERWING DOOR), [31WN2] (PROX SW-LOCK 1, R FWD OVERWING DOOR), [31WN3] (PROX SW-LOCK 1, L AFT OVERWING DOOR), [31WN4] (PROX SW-LOCK 1, R AFT OVERWING DOOR), [32WN1] (PROX SW-LOCK 2, L FWD OVERWING DOOR), [32WN2] (PROX SW-LOCK 2, R FWD OVERWING DOOR), [32WN3] (PROX SW-LOCK 2, L AFT OVERWING DOOR), [32WN4] (PROX SW-LOCK 2, R AFT OVERWING DOOR), [34WN1] (PROX SW-ESC SLIDE HANDLE, L FWD OVERWING DOOR), [34WN2] (PROX SW-ESC SLIDE HANDLE, R FWD OVERWING DOOR), [34WN3] (PROX SW-ESC SLIDE HANDLE, L AFT OVERWING DOOR), [34WN4] (PROX SW-ESC SLIDE HANDLE, R AFT OVERWING DOOR)
(a) Measure clearance A between the target (5) and the proximity switch (4) with the GAGE - FEELER.
(b) Make sure that clearance A is 2 +0.15 mm or -0.15 mm (0.0787 +0.0059 in. or -0.0059 in.).
(c) If clearance A is out of tolerances, go to the step (3).
(2) FOR [33WN1] (PROX SW-HANDLE FLAP, L FWD OVERWING DOOR), [33WN2] (PROX SW-HANDLE FLAP, R FWD OVERWING DOOR), [33WN3] (PROX SW-HANDLE FLAP, L AFT OVERWING DOOR), [33WN4] (PROX SW-HANDLE FLAP, R AFT OVERWING DOOR)
(a) Apply Individual Compound-- Modeling Paste - (Material No.14VGF1) to the tip of the proximity switch (4).
(b) Close the handle cover (9) to a clearance of approximately 10 mm (0.3937 in.) at its upper edge.
(c) Open and remove the handle cover (9).
(d) Measure the thickness of the compressed putty with the CALIPER.
(f) If clearance A is out of tolerances, go to step (4).
(g) Remove the putty from the proximity switch (4).
(h) Install the handle cover (9).
(3) FOR [31WN1] (PROX SW-LOCK 1, L FWD OVERWING DOOR), [31WN2] (PROX SW-LOCK 1, R FWD OVERWING DOOR), [31WN3] (PROX SW-LOCK 1, L AFT OVERWING DOOR), [31WN4] (PROX SW-LOCK 1, R AFT OVERWING DOOR), [32WN1] (PROX SW-LOCK 2, L FWD OVERWING DOOR), [32WN2] (PROX SW-LOCK 2, R FWD OVERWING DOOR), [32WN3] (PROX SW-LOCK 2, L AFT OVERWING DOOR), [32WN4] (PROX SW-LOCK 2, R AFT OVERWING DOOR), [34WN1] (PROX SW-ESC SLIDE HANDLE, L FWD OVERWING DOOR), [34WN2] (PROX SW-ESC SLIDE HANDLE, R FWD OVERWING DOOR), [34WN3] (PROX SW-ESC SLIDE HANDLE, L AFT OVERWING DOOR), [34WN4] (PROX SW-ESC SLIDE HANDLE, R AFT OVERWING DOOR)
(b) Loosen the nut (3) of the target (5).
(c) Turn the target (5) until clearance A is 2 +0.15 mm or -0.15 mm (0.0787 +0.0059 in. or -0.0059 in.).
(d) Tighten the nut (3).
(e) Fold the lockwasher (2) on the nut (3) and the bracket (1).
(4) FOR [33WN1] (PROX SW-HANDLE FLAP, L FWD OVERWING DOOR), [33WN2] (PROX SW-HANDLE FLAP, R FWD OVERWING DOOR), [33WN3] (PROX SW-HANDLE FLAP, L AFT OVERWING DOOR), [33WN4] (PROX SW-HANDLE FLAP, R AFT OVERWING DOOR)
(b) Adjust the bracket (6) until clearance A is in the tolerances.
(c) Tighten the screws (7).
(d) Apply Individual Compound-- Modeling Paste - (Material No.14VGF1) to the tip of the proximity switch (4).
(e) Close the handle cover (9) to a clearance of approximately 10 mm (0.3937 in.) at its upper edge.
(f) Open and remove the handle cover (9).
(g) Measure the thickness of the compressed putty with the CALIPER.
(i) If necessary, do the steps (a) thru (h) again.
(j) Remove the putty from the proximity switch (4).
(k) Install the handle cover (9).
Subtask 52-71-00-865-092-A ** ON A/C NOT FOR ALL (1) FOR [31WN1] (PROX SW-LOCK 1, L FWD OVERWING DOOR), [31WN2] (PROX SW-LOCK 1, R FWD OVERWING DOOR), [31WN3] (PROX SW-LOCK 1, L AFT OVERWING DOOR), [31WN4] (PROX SW-LOCK 1, R AFT OVERWING DOOR), [32WN1] (PROX SW-LOCK 2, L FWD OVERWING DOOR), [32WN2] (PROX SW-LOCK 2, R FWD OVERWING DOOR), [32WN3] (PROX SW-LOCK 2, L AFT OVERWING DOOR), [32WN4] (PROX SW-LOCK 2, R AFT OVERWING DOOR), [34WN1] (PROX SW-ESC SLIDE HANDLE, L FWD OVERWING DOOR), [34WN2] (PROX SW-ESC SLIDE HANDLE, R FWD OVERWING DOOR), [34WN3] (PROX SW-ESC SLIDE HANDLE, L AFT OVERWING DOOR), [34WN4] (PROX SW-ESC SLIDE HANDLE, R AFT OVERWING DOOR)
(a) Measure clearance A between the target (5) and the proximity switch (4) with the GAGE - FEELER.
(b) Make sure that clearance A is 2 +0.15 mm or -0.15 mm (0.0787 +0.0059 in. or -0.0059 in.).
(c) If clearance A is out of tolerances, go to the step (3).
(2) FOR [33WN1] (PROX SW-HANDLE FLAP, L FWD OVERWING DOOR), [33WN2] (PROX SW-HANDLE FLAP, R FWD OVERWING DOOR), [33WN3] (PROX SW-HANDLE FLAP, L AFT OVERWING DOOR), [33WN4] (PROX SW-HANDLE FLAP, R AFT OVERWING DOOR)
(a) Apply Individual Compound-- Modeling Paste - (Material No.14VGF1) to the tip of the proximity switch (4).
(b) Close the handle cover (9) to a clearance of approximately 10 mm (0.3937 in.) at its upper edge.
(c) Open and remove the handle cover (9).
(d) Measure the thickness of the compressed putty with the CALIPER.
NOTE: This is related to clearance A between the target (5) and the proximity switch (4).
(e) Make sure that clearance A is 1.5 -0.5 MM or +0.5 MM (0.0591 -0.0197 IN. or +0.0197 IN.). (f) If clearance A is out of tolerances, go to step (4).
(g) Remove the putty from the proximity switch (4).
(h) Install the handle cover (9).
(3) FOR [31WN1] (PROX SW-LOCK 1, L FWD OVERWING DOOR), [31WN2] (PROX SW-LOCK 1, R FWD OVERWING DOOR), [31WN3] (PROX SW-LOCK 1, L AFT OVERWING DOOR), [31WN4] (PROX SW-LOCK 1, R AFT OVERWING DOOR), [32WN1] (PROX SW-LOCK 2, L FWD OVERWING DOOR), [32WN2] (PROX SW-LOCK 2, R FWD OVERWING DOOR), [32WN3] (PROX SW-LOCK 2, L AFT OVERWING DOOR), [32WN4] (PROX SW-LOCK 2, R AFT OVERWING DOOR), [34WN1] (PROX SW-ESC SLIDE HANDLE, L FWD OVERWING DOOR), [34WN2] (PROX SW-ESC SLIDE HANDLE, R FWD OVERWING DOOR), [34WN3] (PROX SW-ESC SLIDE HANDLE, L AFT OVERWING DOOR), [34WN4] (PROX SW-ESC SLIDE HANDLE, R AFT OVERWING DOOR)
- If clearance A is not in the tolerances, adjust it as follows:
(b) Loosen the nut (3) of the target (5).
(c) Turn the target (5) until clearance A is 2 +0.15 mm or -0.15 mm (0.0787 +0.0059 in. or -0.0059 in.).
(d) Tighten the nut (3).
(e) Fold the lockwasher (2) on the nut (3) and the bracket (1).
(4) FOR [33WN1] (PROX SW-HANDLE FLAP, L FWD OVERWING DOOR), [33WN2] (PROX SW-HANDLE FLAP, R FWD OVERWING DOOR), [33WN3] (PROX SW-HANDLE FLAP, L AFT OVERWING DOOR), [33WN4] (PROX SW-HANDLE FLAP, R AFT OVERWING DOOR)
- If clearance A is not in the tolerances, adjust it as follows:
(b) Adjust the bracket (6) until clearance A is in the tolerances.
(c) Tighten the screws (7).
(d) Apply Individual Compound-- Modeling Paste - (Material No.14VGF1) to the tip of the proximity switch (4).
(e) Close the handle cover (9) to a clearance of approximately 10 mm (0.3937 in.) at its upper edge.
(f) Open and remove the handle cover (9).
(g) Measure the thickness of the compressed putty with the CALIPER.
NOTE: This is related to clearance A between the target (5) and the proximity switch (4).
(h) Make sure that clearance A is 1.5 -0.5 MM or +0.5 MM (0.0591 -0.0197 IN. or +0.0197 IN.). (i) If necessary, do the steps (a) thru (h) again.
(j) Remove the putty from the proximity switch (4).
(k) Install the handle cover (9).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 52-71-00-710-077-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | LIGHTING/EMER LT/CABIN | 2WL | H04 |
| 49VU | LIGHTING/EMER LT/CABIN | 1WL | H03 |
| 121VU | EIS/SDAC1 AND 2/DOOR/DET/PAX | 48WV | P05 |
| 122VU | FLIGHT LOCK OWD | 40WN | U16 |
| 122VU | LIGHTING/CABIN/EMER/LT | 3WL | V07 |
C. Operational Test
(1) FOR [31WN1] (PROX SW-LOCK 1, L FWD OVERWING DOOR), [31WN2] (PROX SW-LOCK 1, R FWD OVERWING DOOR), [31WN3] (PROX SW-LOCK 1, L AFT OVERWING DOOR), [31WN4] (PROX SW-LOCK 1, R AFT OVERWING DOOR), [32WN1] (PROX SW-LOCK 2, L FWD OVERWING DOOR), [32WN2] (PROX SW-LOCK 2, R FWD OVERWING DOOR), [32WN3] (PROX SW-LOCK 2, L AFT OVERWING DOOR), [32WN4] (PROX SW-LOCK 2, R AFT OVERWING DOOR), [34WN1] (PROX SW-ESC SLIDE HANDLE, L FWD OVERWING DOOR), [34WN2] (PROX SW-ESC SLIDE HANDLE, R FWD OVERWING DOOR), [34WN3] (PROX SW-ESC SLIDE HANDLE, L AFT OVERWING DOOR), [34WN4] (PROX SW-ESC SLIDE HANDLE, R AFT OVERWING DOOR)
(3) Do an operational test of the warning system related to the overwing emergency-exit door (Ref. AMM TASK 52-73-00-710-002).
5. Close-up(1) FOR [31WN1] (PROX SW-LOCK 1, L FWD OVERWING DOOR), [31WN2] (PROX SW-LOCK 1, R FWD OVERWING DOOR), [31WN3] (PROX SW-LOCK 1, L AFT OVERWING DOOR), [31WN4] (PROX SW-LOCK 1, R AFT OVERWING DOOR), [32WN1] (PROX SW-LOCK 2, L FWD OVERWING DOOR), [32WN2] (PROX SW-LOCK 2, R FWD OVERWING DOOR), [32WN3] (PROX SW-LOCK 2, L AFT OVERWING DOOR), [32WN4] (PROX SW-LOCK 2, R AFT OVERWING DOOR), [34WN1] (PROX SW-ESC SLIDE HANDLE, L FWD OVERWING DOOR), [34WN2] (PROX SW-ESC SLIDE HANDLE, R FWD OVERWING DOOR), [34WN3] (PROX SW-ESC SLIDE HANDLE, L AFT OVERWING DOOR), [34WN4] (PROX SW-ESC SLIDE HANDLE, R AFT OVERWING DOOR)
- Install door lining (8) 833AZ ( 843AZ) or 834AZ ( 844AZ) of applicable overwing emergency-exit door 833 ( 843) or 834 ( 844) (Ref. AMM TASK 25-23-47-400-803).
(3) Do an operational test of the warning system related to the overwing emergency-exit door (Ref. AMM TASK 52-73-00-710-002).
Subtask 52-71-00-410-104-A ** ON A/C NOT FOR ALL
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
Subtask 52-71-00-860-076-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the WARNING NOTICE(S).
B. Aircraft Maintenance Configuration
(1) Do the special precautions after you did work on the offwing escape-slide systems (Ref. AMM TASK 25-62-00-081-001).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(1) Do the special precautions after you did work on the offwing escape-slide systems (Ref. AMM TASK 25-62-00-081-001).
(2) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
Proximity Switches of the Overwing Emergency-Exit Door