Quincy Compressor QSI Series Instruction Manual page 100

Section VII - 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 filters and separator elements and proceed as
follows:
Fill with QuinSyn Flush and run machine until
it reaches normal operating temperature. Drain
and refill with a fresh charge of the QuinSyn
fluid selected for your machine. Send a fluid
sample to Quincy Compressor Fluid Analysis at
200 hours.
B. Polyalklene glycols (PAG) or Silicone -
Drain compressor thoroughly as in (A). Fill ma-
chine with QuinSyn Flush and run for 500 hours.
Send a fluid sample to Quincy Compressor Fluid
Analysis. Flush may need to be repeated several
times. Analysis will determine if further flushes are
needed.
Fill with the QuinSyn fluid selected for your ma-
chine. Send a fluid sample to Quincy Compressor
Fluid Analysis at 200 hours.
98
Varnished Machines
Always clean slightly varnished machines using mineral
oils or PAO fluids with QuinSyn Flush using the follow-
ing procedure:
Drain thoroughly as in (A) and fill with QuinSyn Flush.
Run the machine for 300 hours and take a fluid sample.
Send fluid sample to Quincy Compressor Fluid Analy-
sis to determine if further flushes are needed. Continue
compressor operation until results of fluid analysis are
reported. Drain or continue operation as advised by fluid
analysis.
Always clean medium to heavily varnished machines
using mineral oils or PAO fluids with QuinSyn Flush us-
ing the following procedure:
Drain thoroughly as in (A) and fill with QuinSyn Flush.
Run the machine for 300 hours and take a fluid sample.
Send fluid sample to Quincy Compressor Fluid Analysis
to determine if further flushes are needed. Run the flush
for an additional 300 hours. Drain thoroughly as in (A)
and inspect the compressor. If clean, flush with another
half charge of QuinSyn Flush and run for 30 minutes.
Drain completely. Change filters and separator elements
and fill with a fresh charge of the QuinSyn fluid selected
for your machine. Send fluid sample to Quincy Compres-
sor Fluid Analysis at 200 hours.
Extremely varnished machines should not be put back
into service until mechanically or chemically cleaned.
After proper cleaning, fill with a fresh charge of the Quin-
Syn fluid selected for your machine. Send fluid sample to
Quincy Compressor Fluid Analysis at 200 hours.
Quincy Compressor-QSI
®