Removal of the Lock Fitting Components

TASK 52-31-32-000-001-A
Removal of the Lock Fitting Components

1. Reason for the Job
To replace the roll of the lock fittings at the door sill area.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
825AR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
Lock Fitting Components

3. Job Set-up
Subtask 52-31-32-010-050-A

A. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) in position below the closed FWD cargo compartment door (referred to as cargo door).
(2) Remove the access cover 825AR from the cargo door.
(3) Open the FWD cargo door and safety it with the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).

Subtask 52-31-32-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
122VU	DOORS/CARGO	1MJ	T12

4. Procedure
Subtask 52-31-32-020-050-A

A. Removal of the Lock Fitting Components

Lock Fitting Components

(1) Make a color mark on the subsequent components to find easier their correct installation position:

the serrated plate (4) and the adjusting bush (5),
the serrated plate (8) and the eccentric bolt (9).

NOTE: This procedure is not necessary when the center punches of these components are aligned.

(2) Remove and discard the cotter pin (1) from the nut (2).
(3) Remove the nut (2) and the washer (3) from the eccentric bolt (9).
(4) Remove the nuts (10) and the washers (11) from the special bolts (12) of the door frame fitting (13).
(5) Remove the serrated plate (4) from the adjusting bush (5).
(6) Hold the roll (7) and remove the eccentric bolt (9) together with the serrated plate (8) from the door frame fitting (13).
(7) Disengage the serrated plate (8) from the eccentric bolt (9).
(8) Remove the eccentric bush (6) from the roll (7).
(9) Remove the adjusting bush (5) from the door frame fitting (13).

[Rev.10 from 2021] 2026.04.02 06:46:10 UTC