Removal of the Deadbolt Assembly

TASK 52-51-12-000-802-A
Removal of the Deadbolt Assembly

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Referenced Information

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 52-51-12-000-001-A	Removal of the Electrical Release Strike
Deadbolt Assembly

3. Job Set-up
Subtask 52-51-12-860-057-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the access to the cockpit is available.
(2) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).

Subtask 52-51-12-865-060-A ** ON A/C NOT FOR ALL

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
122VU	DOORS CKPT LOCK	1MQ	T13

4. Procedure
Subtask 52-51-12-020-051-A ** ON A/C NOT FOR ALL

A. Removal of the Deadbolt Assembly
(1) Remove the center electrical release-strike 31MQ (Ref. AMM TASK 52-51-12-000-001).
(2) Examine the deadbolt assembly for wear or damage:
(3) If it is necessary to remove the deadbolt assembly:
(a) Remove the nut (7), the washer (6), the washer (5), the screw (1) and the spring (2).
(b) Remove the pin (10) from the bar lock (11).
(c) Remove the bar lock (11) from the slot in the slider (3).
(d) Remove the screw (12), the bush (13) and the insert (4).
(e) Remove the deadbolt (9) and the spring (8).

[Rev.10 from 2021] 2026.04.02 06:28:25 UTC