Removal of the Tapping Unit (TU)

TASK 23-36-44-000-001-A
Removal of the Tapping Unit (TU)

WARNING: ISOLATE THE ELECTRICAL CIRCUITS FROM THE RELATED EQUIPMENT AND THE ENVIRONMENT.

ZONE: 230
ZONE: 240
ZONE: 250
FIN: 50MH1 ** ON A/C NOT FOR ALL
FIN: 50MH10 ** ON A/C NOT FOR ALL
FIN: 50MH11 ** ON A/C NOT FOR ALL
FIN: 50MH12 ** ON A/C NOT FOR ALL
FIN: 50MH13 ** ON A/C NOT FOR ALL
FIN: 50MH14 ** ON A/C NOT FOR ALL
FIN: 50MH15 ** ON A/C NOT FOR ALL
FIN: 50MH16 ** ON A/C NOT FOR ALL
FIN: 50MH17 ** ON A/C NOT FOR ALL
FIN: 50MH18 ** ON A/C NOT FOR ALL
FIN: 50MH19 ** ON A/C NOT FOR ALL
FIN: 50MH2 ** ON A/C NOT FOR ALL
FIN: 50MH20 ** ON A/C NOT FOR ALL
FIN: 50MH3 ** ON A/C NOT FOR ALL
FIN: 50MH4 ** ON A/C NOT FOR ALL
FIN: 50MH5 ** ON A/C NOT FOR ALL
FIN: 50MH6 ** ON A/C NOT FOR ALL
FIN: 50MH7 ** ON A/C NOT FOR ALL
FIN: 50MH8 ** ON A/C NOT FOR ALL
FIN: 50MH9 ** 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	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
230	FWD PASSENGER COMPARTMENT
240	MID PASSENGER COMPARTMENT
250	AFT PASSENGER COMPARTMENT

C. Referenced Information

REFERENCE	DESIGNATION
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 25-23-48-000-001-A	Removal of the Cove Light Panel
Tapping Unit (TU) ** ON A/C NOT FOR ALL
Tapping Unit (TU) ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 23-36-44-861-050-A ** ON A/C NOT FOR ALL

A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).

Subtask 23-36-44-865-056-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
2000VU	PES-VIDEO-CABIN-RH AFT	25MH	C06
2000VU	PES-VIDEO-CABIN-LH	23MH	C05
2000VU	PES-VIDEO-CABIN-RH FWD	24MH	C04
2000VU	PES-VIDEO-CABIN-LH FWD	22MH	C03
2000VU	PES-VIDEO-CONTROL-VCC	21MH	C02
** ON A/C NOT FOR ALL
2000VU	PES-VIDEO-CONTROL-MAIN	20MH	C01
** ON A/C NOT FOR ALL
2000VU	PES-VIDEO-CABIN AFT-RH	25MH	C06
2000VU	PES-VIDEO-CABIN AFT-LH	23MH	C05
2000VU	PES-VIDEO-CABIN FWD-RH	24MH	C04
2000VU	PES-VIDEO-CABIN FWD-LH	22MH	C03
2000VU	PES-VIDEO-CONTROL-VCC-DS/C	21MH	C02

Subtask 23-36-44-010-050-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Remove the applicable cove light panels (Ref. AMM TASK 25-23-48-000-001).

4. Procedure
Subtask 23-36-44-020-051-A ** ON A/C NOT FOR ALL

A. Removal of the Tapping Unit

NOTE: The removal of each TU is the same.

(1) Remove the spring latches (3) and disconnect the electrical connectors (2).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Carefully loosen the nylatches (1) and remove the tapping unit (4).

NOTE: At the end of the tapping unit lines the tapping unit ends with a termination plug connected to the tapping unit connector J3. If a related tapping unit is removed, remove the termination plug.

[Rev.10 from 2021] 2026.04.02 06:12:11 UTC