Removal of the Voltmeters

TASK 24-37-21-000-001-A
Removal of the Voltmeters

ZONE: 210
FIN: 3PV1
FIN: 3PV2

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
No specific	AR	ELECTRICAL CONTACTS EXTRACTION TOOL
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
822

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
Voltmeters of Batteries

3. Job Set-up
Subtask 24-37-21-861-051-A

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001)

Subtask 24-37-21-010-050-A

B. Get access to the avionics compartment.
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the avionics compartment door 822.
(2) Open the access door 822.
(3) Open the access panel of the BATTERY power center 105VU.

Subtask 24-37-21-865-050-A

C. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
FOR FIN: 3PV1 (VOLTMETERBAT 1)
105VU	ELEC/BAT REF/BCL1	9PB1	F01
FOR FIN: 3PV2 (VOLTMETERBAT 2)
105VU	ELEC/BAT REF/BCL2	9PB2	F02

4. Procedure
Subtask 24-37-21-020-050-A

A. Removal of the Voltmeter

CAUTION: MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.

(1) Remove the 5 screws (7).
(2) Remove the integrally lighted identification plate 13LF (6).
(3) Turn the four quick-release fasteners (3) by a quarter turn.
(4) Remove the panel 35VU (2) from its housing; do not disconnect the electrical connectors from the rear plate.
(5) Disconnect the electrical wires (5) from the voltmeter (1) with the ELECTRICAL CONTACTS EXTRACTION TOOL.
(6) Loosen the two screws (4) and remove them.
(7) Remove the voltmeter (1).

[Rev.10 from 2021] 2026.03.31 23:23:43 UTC