Installation of the Yellow Electric Pump Phase-Unbalance Detector

TASK 29-24-16-400-001-A
Installation of the Yellow Electric Pump Phase-Unbalance Detector

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)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
822

C. Referenced Information

REFERENCE	DESIGNATION
TASK 29-24-00-710-002-A	Operational Test of the Phase Unbalance Detector and the Current Transformer of the Yellow Hydraulic System
Yellow Electric Pump Phase-Unbalance Detector

3. Job Set-up
Subtask 29-24-16-860-050-A

A. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 2M (6 FT) is in position at the access door 822.
(2) Open the access door 822.

Subtask 29-24-16-865-051-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N30
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N31
** ON A/C ALL
123VU	Y HYD/ELEC/ELEC PUMP/NORM	3801GX	AB03

4. Procedure
Subtask 29-24-16-420-050-A

A. Installation of the Yellow Electric Pump Phase-Unbalance Detector
(1) Install the detector (1) on the support.
(2) Install the washers (2) and the screws (3).
(3) Remove the blanking cap from the connector (4).
(4) Connect the electrical connector (4) to the detector (1).

Subtask 29-24-16-865-053-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 NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N30
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/HYD POWER/Y	3803GX	N31
** ON A/C ALL
123VU	Y HYD/ELEC/ELEC PUMP/NORM	3801GX	AB03

Subtask 29-24-16-710-050-A

C. Operational test
(1) Do the operational test of the detector (Ref. AMM TASK 29-24-00-710-002).

5. Close-up
Subtask 29-24-16-410-050-A

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the access door 822.
(3) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.01 00:27:01 UTC