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CONTENTS:
Leakage Measurement Manifold
High Pressure Manifold
Electric Pump Protection
Electric Pump
Ram Air Turbine
Reservoir
Return Manifold
Ground Service Panel
TMUHYDJ02 LEVEL 3
EFFECTIVITY 29-12-00 Page 1
Nov 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 119
ALL
BLUE SYSTEM COMPONENTS
SAFETY PRECAUTIONS
WARNING: When using the manual depressurization valve,
put on hand and eye protection and keep away
from the outlet of the valve. The air can be
hot and contain particles of dust and/or
hydraulic fluid.
LEAKAGE MEASUREMENT MANIFOLD
IDENTIFICATION
FIN: 2146GM
LOCATION
ZONE: 195
DESCRIPTION
The supply of all the consumers other than the slat
motor and the CSM/G goes through the leakage
measurement manifold.
The ground leakage measurement manifolds of the three
hydraulic systems are identical.
The manifold has two pairs of inlet ports identified
as A and B.
As only one pair is used, the other one is sealed. The
three outlet ports are identified as C, D and E.
The 2-way spool valves are manually opened for ground
maintenance tasks only.
TMUHYDJ02-T01 LEVEL 3
EFFECTIVITY 29-12-00 Page 2
Nov 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 120
ALL
TMUHYDJ02-P01 LEVEL 3
BLUE SYSTEM COMPONENTS - LEAKAGE MEASUREMENT MANIFOLD
EFFECTIVITY 29-12-00 Page 3
Nov 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 121
ALL
BLUE SYSTEM COMPONENTS
HIGH PRESSURE MANIFOLD
IDENTIFICATION
FIN: 2011GM
LOCATION
ZONE: 195
DESCRIPTION
The supply of most of the consumers goes through the
HP manifold.
The HP manifold is installed in the blue hydraulic
compartment.
TMUHYDJ02-T02 LEVEL 3
EFFECTIVITY 29-12-00 Page 4
Nov 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 122
ALL
TMUHYDJ02-P02 LEVEL 3
BLUE SYSTEM COMPONENTS - HP MANIFOLD
EFFECTIVITY 29-12-00 Page 5
Nov 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 123
ALL
BLUE SYSTEM COMPONENTS
PRIORITY VALVE
IDENTIFICATION
FIN: 2064GM
LOCATION
ZONE: 195
DESCRIPTION
The priority valve ensures sure that all available
hydraulic pressure is sent to the primary flight
controls if the pressure in the system is reduced.
FLUID SAMPLING VALVE
IDENTIFICATION
FIN: 2187GM
LOCATION
ZONE: 195
DESCRIPTION
The sampling valve makes it possible to take samples
of fluid for analysis with the system at full pressure.
The end cap provided with a slot is used as a tool to
open the valve.
TMUHYDJ02-T03 LEVEL 3
EFFECTIVITY 29-12-00 Page 6
Nov 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 124
ALL
TMUHYDJ02-P03 LEVEL 3
BLUE SYSTEM COMPONENTS - BLUE HP MANIFOLD
EFFECTIVITY 29-12-00 Page 7
Nov 30/99
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 125
ALL
BLUE SYSTEM COMPONENTS
LEAKAGE SOLENOID VALVE
IDENTIFICATION
FIN: 2150GP
LOCATION
ZONE: 195
DESCRIPTION
The leakage solenoid valve controls the flow of the
fluid to the leakage measurement system manifold. It
is normally open.
During ground operation of the system, the solenoid
valve can be operated from the maintenance panel 50VU
in the flight compartment, to isolate the primary
flight users. In this case, the valve is closed to
connect the HP outlet port to the return port and shut
the HP inlet port.
PRESSURE RELIEF VALVE
IDENTIFICATION
FIN: 2063GM
LOCATION
ZONE: 195
DESCRIPTION
The pressure relief valve protects the system from
overpressure.
It opens at 3436 psi (237 bar) and closes at 3190 psi
(220 bar).
PRESSURE SWITCHES
IDENTIFICATION
FIN: 2151GN, 10CE-1
LOCATION
ZONE: 195
DESCRIPTION
Two pressure switches send a low pressure signal at
　
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