Removal of the Cabin Entrance Light Dimming Switch
TASK 33-21-12-000-001-A
Removal of the Cabin Entrance Light Dimming Switch
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 33-21-12-010-050-A
Subtask 33-21-12-020-050-A
[Rev.10 from 2021]
2026.04.01 00:53:21 UTC
Removal of the Cabin Entrance Light Dimming Switch
FIN: 310LG
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CAP - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| REFERENCE | DESIGNATION |
|---|---|
Subtask 33-21-12-010-050-A
A. Get Access
(1) Open the cockpit door.
Subtask 33-21-12-865-050-A (1) Open the cockpit door.
B. Open, safety and tag this(these) circuit breaker(s):
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 2000VU | LIGHT-CABIN-ENTRY | 308LG | J02 |
Subtask 33-21-12-020-050-A
A. Removal of the Limit Switch 310LG
(1) Remove the screws (11) and the bracket (12) from the cockpit wall (1).
(2) Carefully remove the switch bracket (8) together with the limit switch (3) from the insert of the cockpit wall (1).
(3) Cut and remove the lockwire from the adjustment nut (6) and the lock nut (10).
(4) Remove the lock nut (10) and the serrated washer (9) from the limit switch (3).
(5) Remove the limit switch (3) together with the adjustment nut (6) and the lock washer (7) from the swtich bracket (3).
(6) Disconnect the wires of the cable harness (2) from the limit switch (3). Tag and identify each wire as it is disconnected.
(7) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(1) Remove the screws (11) and the bracket (12) from the cockpit wall (1).
(2) Carefully remove the switch bracket (8) together with the limit switch (3) from the insert of the cockpit wall (1).
(3) Cut and remove the lockwire from the adjustment nut (6) and the lock nut (10).
(4) Remove the lock nut (10) and the serrated washer (9) from the limit switch (3).
(5) Remove the limit switch (3) together with the adjustment nut (6) and the lock washer (7) from the swtich bracket (3).
(6) Disconnect the wires of the cable harness (2) from the limit switch (3). Tag and identify each wire as it is disconnected.
(7) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
Cabin Entrance Light Dimming Switch