Hella R134a Instrucciones Para El Manejo página 13

Replace the filter
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(art. no. 8PS 351 327-231) of
the flushing unit after every five
fully flushed air conditioning
systems.
Always flush in the opposite of
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the original direction of coolant
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flow.
The cylinder of the flushing
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unit heats up during the flushing
process and must be allowed to
properly cool down before
touching it.
Compressors, expansion/throttle
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valves and filter air dryers/
accumulators cannot be flushed
and should be bridged by means
of an adapter while flushing.
flushing process.
After flushing, drain the
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accumulated oil off the bottom
of the flushing unit. Remove the
cover cap and open the stop
cock.
After flushing the unit, replace
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expansion/throttle valves and
filter air dryers/accumulators and
check whether the compressors
need to be replaced
Since multi-flow components do
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not take well to flushing and
since there is a risk of dirt
remaining in the unit, a so-called
compressor strainer should be
installed in the suction pipe
(upstream the compressor inlet)
after flushing the unit.
After flushing and re-assembly,
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leak-test the air conditioning.
Gaskets of uninstalled
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components to be replaced after
every flushing of the unit
After flushing, fill up the air
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conditioning system/climate
component with the amount of
coolant and oil specified by the
manufacturer.