Installation of the Battery Charge Limiter (BCL)

TASK 24-38-34-400-001-A
Installation of the Battery Charge Limiter (BCL)

ZONE: 126
FIN: 1PB1
FIN: 1PB2

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	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
126	LATERAL AVIONIC COMPARTMENT
822

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-38-00-710-001-A	Operational Test of the Battery Charge Limiter (BCL), (with the CFDS)
TASK 24-38-00-710-001-A-01	Operational Test of the Battery Charge Limiter (BCL), (without the CFDS)
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
Battery Charge Limiter

3. Job Set-up
Subtask 24-38-34-860-051-A

A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized (Ref. AMM TASK 24-42-00-861-001).
(2) In the cockpit, on the overhead panel 35VU, make sure that the BAT pushbutton switches are released.
(3) In the cockpit, on the overhead panel 35VU, make sure that the WARNING NOTICE(S) is in position to tell persons not to operate the batteries.
(4) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position at the access door 822.
(5) Make sure that the access door 822 is open.
(6) Make sure that the access panel of the BATTERY power center 105VU is open.

Subtask 24-38-34-865-051-A

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
FOR FIN: 1PB1 (BCL1)
105VU	ELEC/BAT REF/BCL1	9PB1	F01
105VU	ELEC/BAT BUS/REF/BCL1	8PB1	G01
FOR FIN: 1PB2 (BCL2)
105VU	ELEC/BAT REF/BCL2	9PB2	F02
105VU	ELEC/BAT BUS/REF/BCL2	8PB2	J02

4. Procedure
Subtask 24-38-34-420-050-A

A. Installation of the Battery Charge Limiter
(1) Install the battery charge limiter (1) on its support.
(2) Install the four screws (4) and the washers (3) and then tighten screws.
(3) Remove the CAP-BLANKING from each electrical connector and receptacle.
(4) Make sure that all the electrical connections are clean and in the correct condition.
(5) Connect the connector (2) to the battery charge limiter (1).

Subtask 24-38-34-865-052-A

B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
FOR FIN: 1PB1 (BCL1)
105VU	ELEC/BAT REF/BCL1	9PB1	F01
105VU	ELEC/BAT BUS/REF/BCL1	8PB1	G01
FOR FIN: 1PB2 (BCL2)
105VU	ELEC/BAT REF/BCL2	9PB2	F02
105VU	ELEC/BAT BUS/REF/BCL2	8PB2	J02

Subtask 24-38-34-710-050-A

C. Do an operational test of the BCL from the CFDS (Ref. AMM TASK 24-38-00-710-001).

NOTE: As an alternative procedure, you can do this operational test without the CFDS (Ref. AMM TASK 24-38-00-710-001).

5. Close-up
Subtask 24-38-34-410-050-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access panel of the BATTERY power center 105VU.
(3) Close the access door 822.
(4) Remove the WARNING NOTICE(S).
(5) Remove the access platform(s).

Subtask 24-38-34-862-050-A

B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.03.31 23:23:53 UTC