Airbus A321 User Manual

Customer : CSN
Type : A318/A319/A320/A321
Rev. Date : May 01, 2018
Manual : AMM
Selected applicability : 0054-0054
29-32-12 PB 401 CONF 00 - PRESSURE
SWITCH - SYSTEM - REMOVAL/INSTALLATION
Print Date: July 05, 2018 Page 10 of 19
© AIRBUS S.A.S. ALL RIGHTS RESERVED. CONFIDENTIAL AND PROPRIETARY DOCUMENT.
3. Job Set-up
Subtask 29-32-12-860-054-A
A. Aircraft Maintenance Configuration
WARNING: OBEY THE HYDRAULIC SAFETY PROCEDURES.
(1) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002) .
(2) Make sure that the Blue hydraulic system is depressurized and put it in the maintenance
configuration.
(Ref. AMM TASK 29-00-00-864-001) .
(3) Depressurize the reservoir of the Blue hydraulic system (Ref. AMM TASK 29-14-00-614-001) .
(4) Put the WARNING NOTICE(S) in position to tell persons not to pressurize the Blue hydraulic system:
· in the cockpit on the hydraulic section 40VU of the overhead panel,
· on the ground service panel of the Blue hydraulic system.
(5) Open the access panel 195BB.
(6) Put the CONTAINER - HYDRAULIC FLUID RESISTANT in position below the system pressure
switch to collect any hydraulic fluid.
Subtask 29-32-12-865-051-A
B. Open, safety and tag this(these) circuit breaker(s):
PANEL DESIGNATION FIN LOCATION
49VU FLIGHT CONTROLS/ELAC1/NORM/
SPLY
15CE1 B11
105VU FLIGHT CONTROLS/ELAC2/STBY SPLY 16CE2 A02
105VU FLT CTL/ELAC1/STBY SPLY 16CE1 A01
121VU FLIGHT CONTROLS/SEC3/SPLY 21CE3 Q19
121VU FLIGHT CONTROLS/SEC2/SPLY 21CE2 Q18
121VU FLIGHT CONTROLS/ELAC2/NORM/
SPLY
15CE2 R20
4. Procedure
(Ref. Fig. System Pressure Switch of the Blue Hydraulic System SHEET 1)
Subtask 29-32-12-020-053-B
A. Removal of the System Pressure Switch
(1) Disconnect the electrical connector (1).
(2) Put the CAP - BLANKING on the disconnected electrical connector (1).
(3) Remove the nut (5), the washer (6), the screw (8), the bonding jumper (7) and the clamp (9) from the
system pressure switch (2).
(4) Cut and remove the lockwire.
(5) Loosen the system pressure switch (2) and remove it together with the O-ring (3) from the manifold
(4).
(6) Discard the O-ring.
(7) Install a PLUG - BLANKING in the open ports.
TASK 29-32-12-400-002-A
Installation of the System Pressure Switch

Airbus A321 Specifications

General

Manufacturer	Airbus
Model	A321
First Flight	11 March 1993
Length	44.51 m (146 ft 0 in)
Wingspan	35.8 m (117 ft 5 in)
Height	11.76 m (38 ft 7 in)
Max. Passengers	236
Crew	2
Typical Seating	185 (2-class)
Cargo Capacity	51.7 m³ (1, 827 ft³)
MTOW	93, 500 kg (206, 100 lb)
Range	5, 950 km (3, 700 mi)
Cruise Speed	Mach 0.78 (828 km/h, 511 mph)
Engine Options	CFM International CFM56-5 or IAE V2500
Passenger Capacity	185 (2-class) / 220 (1-class)