Installation of the Interconnecting Cables

TASK 36-22-18-400-802-A
Installation of the Interconnecting Cables

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 140
FIN: 90HF ** ON A/C NOT FOR ALL
FIN: 91HF ** ON A/C NOT FOR ALL
FIN: 92HF ** ON A/C NOT FOR ALL
FIN: 93HF ** 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	Torque wrench: range to between 0.69 and 0.58 m.daN (61.06 and 51.33 lbf.in )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.14QEB1)	Wire-Locking Dia: 0.6 mm CRES Nickel Alloy -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
140	CENTER WING
FOR [90HF] (INTERCONNECTING CABLE)
FOR [91HF] (INTERCONNECTING CABLE)
191BB, 191EB
FOR [92HF] (INTERCONNECTING CABLE)
FOR [93HF] (INTERCONNECTING CABLE)
192EB, 192FB

D. Referenced Information

REFERENCE	DESIGNATION
TASK 12-33-21-618-001-A	Pre-conditioning through the LP Ground Connection (Aircraft Electrical Power Available)
TASK 12-33-21-618-001-A-01	Pre-conditioning through the HP Ground Connection
TASK 12-33-21-618-001-A-02	Pre-conditioning with the APU
TASK 12-33-21-618-001-A-03	Pre-conditioning through the LP Ground Connection (Aircraft Electrical Power Not Available)
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 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 36-22-00-100-801-A	Clean the Overheat Detection System (OHDS) Connectors and Apply the Electrical Insulating Compound
TASK 36-22-00-710-001-A	Operational Test of the Overheat Detection System
TASK 36-22-00-710-802-A	Operational Test of the Overheat Detection System
Interconnecting Cables

3. Job Set-up
Subtask 36-22-18-860-054-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that the warning notice(s) is in position:

in the cockpit on Engine Control Panel 115VU to tell persons not to start the engine(s)
in the cockpit on ENG Man Panel 22VU to tell persons not to manual start the engine(s)
in the cockpit on AIR COND Overhead Control Panel 30VU to tell persons not to push in the APU BLEED pushbutton switch
on the High Pressure (HP) ground connector to tell persons not to pressurize the pneumatic system.

NOTE: For the location and access of the HP ground connector, refer to (Ref. AMM TASK 12-33-21-618-001).

Subtask 36-22-18-865-056-A ** ON A/C NOT FOR ALL

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
49VU	AIR BLEED/ENG 1/CTL	3HA1	D12
49VU	AIR BLEED/ENG 1/MONG	2HA1	D11
** ON A/C NOT FOR ALL
49VU	AIR BLEED/X FEED/VALVE/BAT	2HV	D13
** ON A/C NOT FOR ALL
49VU	AIR BLEED/ENG 2/MONG	3HA2	D12
49VU	AIR BLEED/ENG 1/CTL	2HA1	D11
** ON A/C NOT FOR ALL
122VU	AIR BLEED/ENG 2/CTL	3HA2	Z23
122VU	AIR BLEED/ENG 2/MONG	2HA2	Z22
** ON A/C NOT FOR ALL
122VU	AIR BLEED/X FEED VALVE/NORM	1HV	Z20
** ON A/C NOT FOR ALL
122VU	AIR BLEED/ENG 1/MONG	3HA1	Z23
122VU	AIR BLEED/ENG 2/CTL	2HA2	Z22

Subtask 36-22-18-010-053-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Make sure that the access platform is in position below the related access panels.
(2) Make sure that the applicable access panels are removed:
(a) FOR [90HF] (INTERCONNECTING CABLE), [91HF] (INTERCONNECTING CABLE)
panels 191BB and 191EB.
(b) FOR [92HF] (INTERCONNECTING CABLE), [93HF] (INTERCONNECTING CABLE)
panels 192EB and 192FB.

4. Procedure
Subtask 36-22-18-210-052-A ** ON A/C NOT FOR ALL

A. Preparation for Installation
(1) Clean the component interfaces and the adjacent area.
(2) Clean the electrical connectors (Ref. AMM TASK 36-22-00-100-801).
(3) Make sure that the interconnecting cables are not damaged.
(4) Make sure that the thread of each electrical connector is in the correct condition.
(5) Make sure that the center pin of each receptacle (1) is free from corrosion and twists.
(6) Make sure that the clamps (7) are in the correct condition. Make sure that they are correctly attached to the structure and can be correctly locked.
(7) Install the grommets (8) on the interconnecting cables.

Subtask 36-22-18-420-053-A ** ON A/C NOT FOR ALL

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.

CAUTION: REFER TO THE MATCH MARKS MADE DURING THE REMOVAL WHEN YOU CONNECT THE ELECTRICAL WIRES. INCORRECT CONNECTION OF THE WIRES WILL CAUSE DAMAGE TO EQUIPMENT.

B. Installation of the Interconnecting Cables

NOTE: Do the procedure carefully. Do not cause any damage to the interconnecting cables and sensing elements.

(1) Put the interconnecting cables in the correct position to the given routing.
(2) Install the interconnecting cables with the attached grommets (8) to the clamps (7).
(3) Make sure that the slot of the grommet (8) is on the opposite to the camloc (6) of the clamp (7).
(4) Close the clamps (7) and tighten the camlocs (6).
(5) For the incerconnecting cable 90HF:
(a) Make sure that the distance between the axis of the rod end and the top of the bracket (5) is 150 mm (5.9 in.).
(6) Remove the CAP-BLANKING from each electrical connector and receptacle.
(7) Put the sockets (4) in the correct position on the brackets (5).
(8) Install the washers (3) and the nuts (2).
(9) Hold the rear of the receptacles (1) and TORQUE the nuts (2) to between 0.69 and 0.58 m.daN (61.06 and 51.33 lbf.in )

.
(10) Install the union nuts (1) to the sockets (4).
(11) Hold the rear of the receptacles (1) and TORQUE the union nuts (1) to between 0.69 and 0.58 m.daN (61.06 and 51.33 lbf.in )

.
(12) Safety the sockets (4), the nuts (2) and the receptacles (1) with 14QEB1Wire-Locking Dia: 0.6 mm CRES Nickel Alloy -.

Subtask 36-22-18-420-053-B ** ON A/C NOT FOR ALL

B. Installation of the Interconnecting Cables

CAUTION: REFER TO THE MATCH MARKS MADE DURING THE REMOVAL WHEN YOU CONNECT THE ELECTRICAL WIRES. INCORRECT CONNECTION OF THE WIRES WILL CAUSE DAMAGE TO EQUIPMENT.

CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.

(1) Make sure that you do not cause damage to the interconnecting cables and the sensing elements when you do this procedure.
(2) Put the interconnecting cables in the correct positions.
(3) Install the interconnecting cables together with the attached grommets (8) in the clamps (7).
(4) Make sure that the slots of the grommets (8) are on the opposite side of the camlocs (6) and the clamps (7).
(5) Close the clamps (7) and tighten the camlocs (6).
(6) Remove the CAP-BLANKING from each electrical connector and receptacle.
(7) For the interconnecting cable 90HF:
(a) Make sure that the distance between the axis of the rod end and the top of the bracket (5) is 150 mm (5.9 in.).
(8) Put the sockets (4) in the correct position on the brackets (5).

(9) Install the new lockwires on the sockets (4).
(10) Install the washers (3) and the nuts (2).
(11) TORQUE the nuts (2) to between 0.69 and 0.58 m.daN (61.06 and 51.33 lbf.in )

.
(12) Install the union nuts (1) on the sockets (4).
(13) Hold the rear side of the receptacles and TORQUE the union nuts (1) to between 0.69 and 0.58 m.daN (61.06 and 51.33 lbf.in )

.
(14) Safety the sockets (4), the nuts (2) and the receptacles with 14QEB1Wire-Locking Dia: 0.6 mm CRES Nickel Alloy -.

Subtask 36-22-18-865-057-A ** ON A/C NOT FOR ALL

C. 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
49VU	AIR BLEED/ENG 1/CTL	3HA1	D12
49VU	AIR BLEED/ENG 1/MONG	2HA1	D11
** ON A/C NOT FOR ALL
49VU	AIR BLEED/X FEED/VALVE/BAT	2HV	D13
** ON A/C NOT FOR ALL
49VU	AIR BLEED/ENG 2/MONG	3HA2	D12
49VU	AIR BLEED/ENG 1/CTL	2HA1	D11
** ON A/C NOT FOR ALL
122VU	AIR BLEED/ENG 2/CTL	3HA2	Z23
122VU	AIR BLEED/ENG 2/MONG	2HA2	Z22
** ON A/C NOT FOR ALL
122VU	AIR BLEED/X FEED VALVE/NORM	1HV	Z20
** ON A/C NOT FOR ALL
122VU	AIR BLEED/ENG 1/MONG	3HA1	Z23
122VU	AIR BLEED/ENG 2/CTL	2HA2	Z22

Subtask 36-22-18-710-051-A ** ON A/C NOT FOR ALL

D. Do the operational test of the overheat detection system (Ref. AMM TASK 36-22-00-710-001).

Subtask 36-22-18-710-051-B ** ON A/C NOT FOR ALL

D. Do the operational test of the overheat detection system (Ref. AMM TASK 36-22-00-710-802).

5. Close-up
Subtask 36-22-18-410-052-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the applicable access panels:
(a) FOR [90HF] (INTERCONNECTING CABLE), [91HF] (INTERCONNECTING CABLE)
install 191BB and 191EB.
(b) FOR [92HF] (INTERCONNECTING CABLE), [93HF] (INTERCONNECTING CABLE)
install 192EB and 192FB.
(3) Remove the WARNING NOTICE(S).
(4) Remove the access platform(s).

Subtask 36-22-18-862-050-A ** ON A/C NOT FOR ALL

B. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 01:17:29 UTC