Connection of Electrical Connectors [IAE]

TASK 70-23-15-912-010-A
Connection of Electrical Connectors

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

1. Reason for the Job
This task gives the general procedure for the connection of electrical plugs during the maintenance of the engine.

If an electrical plug is installed incorrectly it can cause moisture to go in to the plug or mating connections.
This can cause incorrect electrical signals or failure of the applicable circuits.
Do not remove the protective cap(s) until immediately before you connect the plug to the mating connection.

2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	WRENCH - STRAP

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V01-012)	Cleaning fluid
(Material No.V02-069)	Cleaning tissues
(Material No.V02-126)	lockwire
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Referenced Information

REFERENCE	DESIGNATION
ESPM 2048230
Connector and Receptacle

3. Job Set-up
Subtask 70-23-15-869-050-A ** ON A/C NOT FOR ALL

A. Not Applicable

4. Procedure
Subtask 70-23-15-912-050-A ** ON A/C NOT FOR ALL

A. Connection of the Electrical Connectors:
(1) Prepare the Connector and the Receptacle
(a) Remove the protective caps from the plug and the related receptacle

Connector and Receptacle ** ON A/C NOT FOR ALL

Keep the caps in a clean and dry bag.
(b) Clean the plug and the receptacle:
1 Examine the plug and the receptacle for contamination caused by liquid or solid unwanted materials. If necessary, clean with Cleaning fluid (Material No.V01-012) but always obey the instructions that follow :
2 Remove contamination from the surfaces

CAUTION: DO NOT APPLY A SPRAY GUN, OR USE COMPRESSED AIR, AT A PRESSURE OF MORE THAN 15 PSI.

a Remove all contamination from the surfaces with a brush or a spray gun.
b If the plug or the receptacle is in such a position that the unwanted fluid can not drain away use a Textile-Lint free Cotton - (Material No.14SBA1) or disposable Cleaning tissues (Material No.V02-069) to remove the fluid.
(c) Examine the plugs and the receptacles that are attached to the harness
1 Examine the parts for corrosion and damage ; also, inserts that are damaged or soaked with oil. Repair or replace as necessary (Refer to Inspection/Check, Repair and Assembly, in the related Component Maintenance Manual).
(d) Examine the receptacles that are attached to the unit
1 Examine the parts for corrosion and damage ; also inserts that are damaged or soaked with oil. Repair or replace as necessary (Refer to related Vendor's Overhaul Manual).

CAUTION: THE FULL MATING INDICATOR BAND ON THE RECEPTACLE IS NOT A STOP LINE. THIS BAND MUST ALWAYS BE FULLY CONTAINED BY THE LEADING EDGE OF THE PLUG KNURLED NUT.

CAUTION: YOU MUST NOT USE THE PLIERS, A STRAP WRENCH OR OTHER MECHANICAL DEVICE ON THE REAR KNURLED PART OF THE CONNECTOR, THIS CAN CAUSE DAMAGE TO THE CONNECTOR.

(2) Connect the connector:

NOTE: Some connectors have lock displays (window) through the orange (or red) colour must be visible to ensure correct tightening.

(a) Align the master key on the plug with the receptacle master key-way

Connector and Receptacle ** ON A/C NOT FOR ALL

(b) Use light hand pressure to engage the plug with the receptacle.
(c) With the threads correctly engaged install the plug coupling nut, in a clockwise direction, on to the receptacle threads. Push the connector with a side-to-side movement, in to the receptacle and continuously tighten the coupling nut by hand, while you do this, until it is tight. Make sure that the red visual indicator band cannot be seen.

NOTE: Where you cannot easily get access to the connector, you can use insulated-jawed pliers, such as Glenair TG69 pliers or equivalent, to tighten the coupling nut.

(d) TORQUE the coupling nut, when necessary, to the limits specified in the related procedure. Use an applicable strap wrench.
(e) When necessary, safety with lockwire (Material No.V02-126)
(f) IDG feeder harness connector.
1 Do a pin retention check of the sockets ESPM 2048230.
2 Do not clean the contacts with abrasive material.
3 Tighten the connector with a WRENCH - STRAP until the orange colour is shown in the window of the coupling nut.

[Rev.10 from 2021] 2026.04.01 02:19:37 UTC