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MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 172
ALL
YELLOW SYSTEM COMPONENTS - RESERVOIR
TMUHYDK03-P11 LEVEL 3
EFFECTIVITY 29-13-00 Page 23
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 173
ALL
YELLOW SYSTEM COMPONENTS
DRAIN VALVE
IDENTIFICATION
FIN: 3264GM
LOCATION
ZONE: 196
DESCRIPTION
A hollow type drain valve is installed at the bottom
of the reservoir. The valve is opened by turning
(counter-clockwise) and pushing the bushing/valve pin
assembly. Then the bushing is rotated clockwise to
lock the valve in the open position.
LOW LEVEL SWITCH
IDENTIFICATION
FIN: 3062GQ
LOCATION
ZONE: 196
DESCRIPTION
The low level switch is a float operated switch which
includes a relay and a magnet which keeps the contacts
open when the float is high. A metal shroud around the
float operates as a damper for small changes in the
fluid level.
TMUHYDK03-T12 LEVEL 3
EFFECTIVITY 29-13-00 Page 24
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 174
ALL
YELLOW SYSTEM COMPONENTS - RESERVOIR
TMUHYDK03-P12 LEVEL 3
EFFECTIVITY 29-13-00 Page 25
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 175
ALL
YELLOW SYSTEM COMPONENTS
AIR PRESSURE GAGE
IDENTIFICATION
FIN: 3383GM
LOCATION
ZONE: 196
DESCRIPTION
The reservoir pressure gage displays the air pressure
in a range of 0-75 psi (0-5 bar).
AIR PRESSURE SWITCH
IDENTIFICATION
FIN: 3384GM
LOCATION
ZONE: 196
DESCRIPTION
The air pressure switch closes when the pressure
decreases to 22 ± 1.5 psi (1.5 ± 0.1 bar).The contacts
open when the pressure increases to 25 psi (1.7 bar).
AIR RELIEF VALVE
IDENTIFICATION
FIN: 3005GM
LOCATION
ZONE: 196
DESCRIPTION
The air relief valve relieves pressure to the
atmosphere in the event of a system overpressurization
(77 psi/5.3 bar).
TMUHYDK03-T13 LEVEL 3
EFFECTIVITY 29-13-00 Page 26
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 176
ALL
YELLOW SYSTEM COMPONENTS - RESERVOIR
TMUHYDK03-P13 LEVEL 3
EFFECTIVITY 29-13-00 Page 27
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 177
ALL
YELLOW SYSTEM COMPONENTS
LEVEL TRANSMITTER
IDENTIFICATION
FIN: 3001GQ
LOCATION
ZONE: 196
DESCRIPTION
The level transmitter permits:
- Direct reading of the hydraulic fluid level.
- Transmission of the level indication to the
cockpit.
It includes an arm fitted with a float which drives a
gear train on a magnetic coupling. The synchro
transmitter shaft supports a pointer to permit direct
reading of the fluid level.
TMUHYDK03-T14 LEVEL 3
EFFECTIVITY 29-13-00 Page 28
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 178
ALL
YELLOW SYSTEM COMPONENTS - RESERVOIR LEVEL TRANSMITTER
TMUHYDK03-P14 LEVEL 3
EFFECTIVITY 29-13-00 Page 29
Jul 31/98
_A319/A320/A321 TECHNICAL TRAINING MANUAL
MECHANICS / ELECTRICS & AVIONICS COURSE 29 HYDRAULIC POWER
UF94200
EFFECTIVITY Page 179
ALL
YELLOW SYSTEM COMPONENTS
RETURN MANIFOLD
The LP return manifold is the connection point for
return lines from different parts of the LP system.
The LP filter and a temperature transmitter are
directly connected to the manifold.
LP RETURN FILTER
IDENTIFICATION
FIN: 3002GM
LOCATION
ZONE: 196
DESCRIPTION
The LP RETURN filter has a filtration rating of 3
microns. The bypass device allows fluid to go from the
inlet to the outlet without filtration.
TEMPERATURE TRANSMITTER
IDENTIFICATION
FIN: 3381GR
LOCATION
ZONE: 196
DESCRIPTION
The temperature transmitter connected to the SDAC
comprises:
- a temperature switch which operates at 95 ± 2.2°C
(203 ± 4°F).
- two temperature transmitters which measure
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