Check of the Flight Operations and MAintenance eXchanger (FOMAX) Configuration with the Portable Data Loader (PDL)

TASK 46-26-32-280-801-A
Check of the Flight Operations and MAintenance eXchanger (FOMAX) Configuration with the Portable Data Loader (PDL)

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
ALT45200001	1	PORTABLE DATA LOADER

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)
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)
FOMAX Maintenance Plug 180VC on 80VU

3. Job Set-up
Subtask 46-26-32-861-060-A ** ON A/C NOT FOR ALL

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

Subtask 46-26-32-010-057-A ** ON A/C NOT FOR ALL

B. 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.

Subtask 46-26-32-480-051-A ** ON A/C NOT FOR ALL

C. Installation of the ALT45200001 PORTABLE DATA LOADER in the Avionics Compartment

FOMAX Maintenance Plug 180VC on 80VU ** ON A/C NOT FOR ALL

(1) On the PDL, make sure that the ON/OFF switch is set to OFF.
(2) Remove the blanking cap from the FOMAX 615A data loader connector (1) (180VC).
(3) Connect the PDL cable to the FOMAX 615A data loader connector (1) (180VC).

Subtask 46-26-32-865-063-A ** ON A/C NOT FOR ALL

D. 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
121VU	PDL/PWR/SPLY	14TD	K19

Subtask 46-26-32-860-063-A ** ON A/C NOT FOR ALL

E. Start of the PDL
(1) Start the ALT45200001 PORTABLE DATA LOADER (refer to the PDL user guide).

4. Procedure
Subtask 46-26-32-280-053-A ** ON A/C NOT FOR ALL

A. Check of the FOMAX Configuration with the PDL

ACTION	RESULT
On the PDL: 1.Do the initialization procedure.	On the PDL: The FINs and the P/Ns of the FOMAX hardware and FOMAX software come into view.

Subtask 46-26-32-860-064-A ** ON A/C NOT FOR ALL

B. Stop of the PDL
(1) Stop the ALT45200001 PORTABLE DATA LOADER (refer to the PDL user guide).

Subtask 46-26-32-080-051-A ** ON A/C NOT FOR ALL

C. Removal of the PDL

FOMAX Maintenance Plug 180VC on 80VU ** ON A/C NOT FOR ALL

(1) In the avionics compartment:
(a) Disconnect the cable from the ALT45200001 PORTABLE DATA LOADER and from the FOMAX 615A data loader connector (1) (180VC).
(b) Put the blanking cap on the FOMAX 615A data loader connector (1) (180VC).

5. Close-up
Subtask 46-26-32-410-059-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) Close the access door 824.
(3) Remove the access platform(s).

Subtask 46-26-32-862-060-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] 2026.04.02 06:26:08 UTC