Installation of the Wiring Harness

TASK 52-31-24-400-001-A
Installation of the Wiring Harness

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 4M (13 FT)-ADJUSTABLE
98D52307515000	1	SAFETY LOCK-ACTUATOR,CARGO DOORS

B. Referenced Information

REFERENCE	DESIGNATION
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-002-A	Close the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-31-13-400-001-A	Installation of the Lining and the Insulation
Wiring Harness 4611VB

3. Job Set-up
Subtask 52-31-24-860-050-A

A. Aircraft Maintenance Configuration
(1) Make sure that the cargo door is opened (Ref. AMM TASK 52-30-00-860-001) and safetied with the 98D52307515000 SAFETY LOCK-ACTUATOR,CARGO DOORS.
(2) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below the opened cargo door.

Subtask 52-31-24-865-051-A

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N30
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N31
** ON A/C ALL
122VU	DOORS/CARGO	1MJ	T12
123VU	Y HYD/ELEC/PUMP	3802GX	AB06
123VU	Y HYD/ELEC/ELEC PUMP/NORM	3801GX	AB03

4. Procedure
Subtask 52-31-24-420-050-B

A. Installation of the Wiring Harness 4611VB

Wiring Harness 4611VB

(1) Make sure that the work area is clean and clear of tools and other items.
(2) If removed, assemble the clamps (4), (8) and (16) together with the sleeves (7) and (13) on the wiring harness (1).
(3) Put the clamp (4) in position to the door angle (2) and attach it with the bolt (5) and the nut (3).
(4) Connect the electrical wires of the wiring harness (1) to the termial block (6) as follows:

--------------------------- ----------------------------

! WIRE NO ! TERMINAL NO ! ! WIRE NO ! TERMINAL NO !

--------------------------- ----------------------------

! 2552-1034 ! 4K ! ! 2552-1041 ! 3H !

! 2552-1035 ! 4J ! ! 2552-1042 ! 3G !

! 2552-1036 ! 4H ! ! 2552-1043 ! 3F !

! 2552-1037 ! 4G ! ! 3154-5863B ! 2G !

! 2552-1038 ! 4F ! ! 3152-5863R ! 2A !

! 2552-1039 ! 3E ! ! 5235-1025B ! 1G !

! 2552-1040 ! 3J ! ! 5235-1025R ! 1A !

(5) Put the clamp (8) to the actuator fitting bracket (10) and attach it with the bolt (9) and the washer (11) and the nut (12).
(6) Measure a distance of 590.0 mm (23.2284 in.) from the door lining to set the clamp (16) in its installation position.
(7) Put the clamp (16) in position to the bolt (17) of the fitting (18) and attach it with the washer (15) and the nut (14).
(8) Remove the CAP-BLANKING from each electrical connector and receptacle.
(9) Make sure that all the electrical connections are clean and in the correct condition.
(10) Connect the electrical connector (29) to the receptacle (28).
(11) Put the wiring harness (1) in position to the cable clamps (27) and attach it with the tie-raps (26).

Subtask 52-31-24-820-050-A

B. Adjustment Procedure
(1) Measure the distance "X" between the lining and the wiring harness (1).

NOTE: The distance "X" must be less 70.0 mm (2.7559 in.).

(2) If the distance "X" is more than allowed, loosen the clamp (16) and move the wiring harness (1) inboard as required.
(3) Close and open the cargo door (Ref. AMM TASK 52-30-00-860-001) and (Ref. AMM TASK 52-30-00-860-002).
(4) Make sure that the distance "X" is correct.

5. Close-up
Subtask 52-31-24-865-052-A

A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N30
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N31
** ON A/C ALL
122VU	DOORS/CARGO	1MJ	T12
123VU	Y HYD/ELEC/PUMP	3802GX	AB06
123VU	Y HYD/ELEC/ELEC PUMP/NORM	3801GX	AB03

Subtask 52-31-24-410-050-A

B. Close Access
(1) Install the removed door lining (Ref. AMM TASK 52-31-13-400-001).
(2) Remove the access platform(s).
(3) Close and lock the cargo door correctly (Ref. AMM TASK 52-30-00-860-002).

[Rev.10 from 2021] 2026.04.02 07:23:00 UTC