12B-7
TURBOCHARGING
Turbocharging: Precautions for repair
12B
VI - GENERAL INSTRUCTIONS TO BE FOLLOWED
WHEN REMOVING A TURBOCHARGER
Always replace:
- the oil supply pipe:
• if the pipe is blocked, even partially (due to scale,
carbonised oil etc.),
• if the pipe is fitted with self-retaining seals.
- the oil return pipe:
• if the pipe is blocked, even partially (due to scale,
carbonised oil etc.),
• if the pipe is fitted with self-retaining seals.
- all seals that have been removed,
- all fittings that have been removed.
When starting the engine:
- do not accelerate,
- allow the engine to run for 1 minute,the time taken for
the oil circuit pressure to increase (until the oil pressu-
re warning light on the instrument panel goes out),
- accelerate several times at no load,
- check the air circuit and the oil circuit for leaks.
WARNING
Failure to observe the following procedure may lead
to destruction of the turbocharger.
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