Connection of the Maintenance Electronic Device (with the Local Maintenance Function (LMF)) to the Flight Operations and MAintenance eXchanger (FOMAX)

TASK 46-26-32-860-801-A
Connection of the Maintenance Electronic Device (with the Local Maintenance Function (LMF)) to the Flight Operations and MAintenance eXchanger (FOMAX)

ZONE: 128

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 2M (6 FT) - ADJUSTABLE
072-3175-001	1	FOMAX LMF
072-3175-003	1	FOMAX LMF
072-3175-004	1	FOMAX LMF

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
128	REAR AVIONIC COMPARTMENT
824

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)
FOMAX Maintenance Plug 74TA on Electronics Rack 80VU

3. Job Set-up
Subtask 46-26-32-861-058-A ** ON A/C NOT FOR ALL

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

Subtask 46-26-32-865-080-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	FOMAX	67TA	J01
** ON A/C NOT FOR ALL
121VU	FOMAX	67TA	R12

Subtask 46-26-32-010-054-A ** ON A/C NOT FOR ALL

C. Get access to the avionics compartment.
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at access door 824 in zone 128.
(2) Open access door 824.

4. Procedure
Subtask 46-26-32-860-061-A ** ON A/C NOT FOR ALL

A. Connection of the Maintenance Electronic Device (with the LMF) to the FOMAX

FOMAX Maintenance Plug 74TA on Electronics Rack 80VU ** ON A/C NOT FOR ALL

(1) On shelf 81VU, on electronics rack 80VU, get access to the FOMAX.
(2) On electronics rack 80VU, connect the maintenance electronic device to the FOMAX maintenance plug (1) (74TA).
(3) Start the maintenance electronic device and wait for two minutes for the full startup and connection.
(4) On the maintenance electronic device, start the 072-3175-001 FOMAX LMF or the 072-3175-003 FOMAX LMF or the 072-3175-004 FOMAX LMF.

Subtask 46-26-32-860-061-B ** ON A/C NOT FOR ALL

A. Connection of the Maintenance Electronic Device (with the LMF) to the FOMAX

FOMAX Maintenance Plug 74TA on Electronics Rack 80VU ** ON A/C NOT FOR ALL

Subtask 46-26-32-860-061-CS ** ON A/C NOT FOR ALL

A. Connection of the Maintenance Electronic Device (with the LMF) to the FOMAX

FOMAX Maintenance Plug 74TA on Electronics Rack 80VU ** ON A/C NOT FOR ALL

[Rev.10 from 2021] 2026.04.02 07:20:09 UTC