Reactivation of the Reservoir Air Pressure Switch of the Blue Hydraulic System

TASK 29-34-00-440-002-A
Reactivation of the Reservoir Air Pressure Switch of the Blue Hydraulic System

1. Reason for the Job
MMEL 29-09-04A
HYD G(B)(Y) RSVR LO AIR PR ALERT
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
197FB

C. Referenced Information

REFERENCE	DESIGNATION
TASK 29-14-00-614-002-A	Pressurization of the Hydraulic Reservoirs through the Ground Connector
TASK 29-14-00-614-002-A-01	Pressurization of the Hydraulic Reservoirs with the Auxiliary Power Unit (APU)
Reservoir Air Pressure Switch of the Blue Hydraulic System

3. Job Set-up
Subtask 29-34-00-865-066-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	HYD/HYD PWR/B WARN/& CTL	2702GJ	C12

Subtask 29-34-00-010-054-A

B. Get Access
(1) Open the access door 197FB.
(2) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position to be satisfactory for the Blue reservoir.

4. Procedure
Subtask 29-34-00-440-051-A

A. Reactivation of the Reservoir Air Pressure-Switch

Reservoir Air Pressure Switch of the Blue Hydraulic System

(1) Cut and discard the tie-wrap which attaches the cable of the pressure switch 2384GH to the structure.
(2) Remove the protective caps from the connector (1) and the receptacle.
(3) Make sure that all the electrical connections are clean and in the correct condition.
(4) Connect the electrical connector (1) 2384GH-A to the pressure switch.
(5) Do the troubleshooting of the air pressure indication-system and do the applicable corrective procedure.
(6) Make sure that the reservoir is pressurized with air to the correct pressure (Ref. AMM TASK 29-14-00-614-002).

5. Close-up
Subtask 29-34-00-410-054-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 197FB.
(3) Remove the warning notice from the flight compartment.

Subtask 29-34-00-865-069-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
49VU	HYD/HYD PWR/B WARN/& CTL	2702GJ	C12

[Rev.10 from 2021] 2026.04.01 00:28:02 UTC