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First connect a drain hose to the overflow drain valve,
then connect the pressure fill hose from a service
unit to the pressure fill valve.
Using the service unit, add oil until the level reaches
the FULL mark and the oil overflows through the drain
hose.
Drain oil until the oil level moves down to the green
band.
Remove the drain and pressure fill hoses from
connectors and reinstall the caps.
Finally, perform a leak test. Do another check of the
oil level 5 minutes later.
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AC GENERATION - IDG OIL SERVICING - OIL REPLENISHING OF THE IDG AFTER REPLACEMENT OF THE
IDG OR A COOLING CIRCUIT COMPONENT
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24 - ELECTRICAL POWER
24-21-00 AC GENERATION - IDG
REMOVAL/INSTALLATION
CONTENTS:
IDG Removal
IDG Installation
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AC GENERATION - IDG REMOVAL/INSTALLATION
IDG REMOVAL
Refer to your Aircraft Maintenance Manual when
performing this procedure by yourself.
VIDEO SEQUENCE
Before removing the IDG the engine must be shutdown
for at least 5 minutes to prevent burns because the
oil stays hot for a few minutes.
First of all, the IDG must be drained and the oil tube
disconnected and removed.
Also remove the banjo couplings and note their initial
position, then disconnect the three electrical
connectors from the IDG.
Remove the cover plate of the IDG terminal box and
disconnect the output cables.
Next, place the special dolly in position and raise
it up to the IDG. When the IDG is on the dolly release
the Quick Attach/Detach coupling, then pull the IDG
forward to disengage it.
IDG INSTALLATION
Refer to your Aircraft Maintenance Manual when
performing this procedure by yourself.
VIDEO SEQUENCE
Using the dolly, lift the IDG up to its position and
align the open marks on the Quick Attach/Detach
coupling.
When the IDG is engaged tighten the coupling
sufficiently to secure it, then remove the dolly,
reconnect the electrical connectors and reinstall the
oil tubes.
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AC GENERATION - IDG REMOVAL/INSTALLATION
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24 - ELECTRICAL POWER
24-22-00 AC GENERATION - AC MAIN
GENERATION D/O
CONTENTS:
Generator
Generator Control Unit Supply
Generator Operation Control
Generator Monitoring
Generator 1
Generator Reset
Self Examination
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AC GENERATION - AC MAIN GENERATION D/O
GENERATOR
The generator is a conventional 3 co-axial component
brushless generator which consists of:
- a Permanent Magnet Generator (PMG),
- a rotating diode pilot exciter,
- the generator itself.
The generator is driven at a constant speed of 12000 RPM
and cooled by oil spraying.
GENERATOR CONTROL UNIT SUPPLY
The Permanent Magnet Generator (PMG) supplies the
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