Cleaning And Flushing With Quinsyn Flush - Quincy QSI-90 Instruction Manual

Section VI - Compressor Fluids

Cleaning and Flushing With QuinSyn Flush

Normal Machines
Flushing clean machines presently using:
A. Mineral Oils -
Drain compressor thoroughly while
hot including all the low areas. Shut
down and lockout the machine.
Detach lines and drain. Inspect
machine; if clean, change fi lters and
separator elements and proceed as
follows:
Fill with QuinSyn Flush and run
machine until it reaches normal
operating temperature. Drain and
refi ll with a fresh charge of the
QuinSyn fl uid selected for your
machine. Send a fl uid sample to
Quincy Compressor
200 hours.
B. Polyalklene glycols (PAG) or Silicone -
Drain compressor thoroughly as in
(A). Fill machine with QuinSyn Flush
and run for 500 hours. Send a fl uid
sample to Quincy Compressor
Fluid Analysis. Flush may need to
be repeated several times. Analysis
will determine if further fl ushes are
needed.
Fill with the QuinSyn fl uid selected
for your machine. Send a fl uid
sample to Quincy Compressor
Analysis at 200 hours.
Varnished Machines
Always clean slightly varnished machines
using mineral oils or PAO fl uids with
QuinSyn Flush using the following
procedure:
52
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Drain thoroughly as in (A) and fi ll with
QuinSyn Flush. Run the machine for 300
hours and take a fl uid sample. Send fl uid
sample to Quincy Compressor
Analysis to determine if further fl ushes are
needed. Continue compressor operation
until results of fl uid analysis are reported.
Drain or continue operation as advised by
fl uid analysis.
Always clean medium to heavily varnished
machines using mineral oils or PAO fl uids
with QuinSyn Flush using the following
procedure:
Drain thoroughly as in (A) and fi ll with
QuinSyn Flush. Run the machine for 300
hours and take a fl uid sample. Send fl uid
sample to Quincy Compressor
Analysis to determine if further fl ushes are
needed. Run the fl ush for an additional
300 hours. Drain thoroughly as in (A) and
inspect the compressor. If clean, fl ush
with another half charge of QuinSyn Flush
and run for 30 minutes. Drain completely.
Change fi lters and separator elements
and fi ll with a fresh charge of the QuinSyn
fl uid selected for your machine. Send
fl uid sample to Quincy Compressor
Analysis at 200 hours.
Extremely varnished machines should not
be put back into service until mechanically
or chemically cleaned. After proper
cleaning, fi ll with a fresh charge of the
QuinSyn fl uid selected for your machine.
Send fl uid sample to Quincy Compressor
Fluid Analysis at 200 hours.
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