Removal of the Limit Switches

TASK 52-35-13-000-001-A
Removal of the Limit Switches

CAUTION: IMMEDIATELY AFTER YOU OPEN THE CARGO COMPARTMENT DOOR, RECORD ON THE WORK CARD ON THE DOOR, THE DATE AND TIME WHEN YOU OPENED IT. IF THE CARGO COMPARTMENT DOOR STAYS OPEN FOR 12 HOURS OR MORE, YOU MUST BLEED THE HYDRAULIC SYSTEM RELATED TO IT. IF YOU DO NOT OBEY THESE PRECAUTIONS, THE DOOR CAN CLOSE SUDDENLY WHEN YOU SET THE DOOR TO "CLOSE". THIS CAN CAUSE DAMAGE TO THE DOOR AND TO THE AIRCRAFT STRUCTURE.

ZONE: 825
ZONE: 826
FIN: 2508MJ ** ON A/C NOT FOR ALL

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

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
825	FORWARD CARGO COMPARTMENT DOOR
826	AFT CARGO COMPARTMENT DOOR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 25-52-22-000-001-A	Removal of the Ball Mats and the Ball Strips
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
Limit Switch

3. Job Set-up
Subtask 52-35-13-010-051-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Open the FWD or AFT cargo-compartment door and install the actuator safety locks (Ref. AMM TASK 52-30-00-860-001).
(2) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position for the applicable cargo compartment door.
(3) Remove the ball strips and the ball mats to get access to the support assy of the limit switch (Ref. AMM TASK 25-52-22-000-001).

Subtask 52-35-13-865-087-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/CARGO	1MJ	T12
2000VU	SEMI AUTO CLS-FWD	3MY	E08
2000VU	SEMI AUTO CLS-FWD	2MY	E06
2001VU	SEMI AUTO CLS-AFT	103MY	D08
2001VU	SEMI AUTO CLS-AFT	102MY	D06

4. Procedure
Subtask 52-35-13-020-050-D ** ON A/C NOT FOR ALL

A. Removal of the Limit Switch 2508MJ or 2509MJ
(1) Disconnect the electrical connector (2) from the receptacle (1) below the cargo door area.
(2) Put the blanking caps on the disconnected electrical connector (2) and on the receptacle (1).
(3) Remove the nut (3), the washer (4) and the bolt (18) to disconnect the clamp (19) from the entrance guide.
(4) Remove the screw (22), the washer (23), the spacers (24) and (25) to disconnect the clamp (21) from the structure bracket (26).

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(5) Cut and remove the lockwire from the adjustment nut (7) and the lock nut (13).
(6) Remove the lock nut (13) and the serrated washer (12) from the limit switch (6) to disconnect it from the support assy (9).
(7) Remove the limit switch (6) from the support assy (9).
(8) Remove the limit switch (6) together with the related cable harness (5), the adjustment nut (7), the lockwasher (8) and the conduit (20) from the door sill area.

[Rev.10 from 2021] 2026.04.01 06:27:08 UTC