Manual

13
09740-09.2013-DGbFITr
D
GB
F
I
TR
4| Compressor assembly
4.7 Pipes
Pipesandsystemcomponentsmustbecleananddryinsideandfreeofscale,swarfandlayers
ofrustandphosphate.Onlyuseair-tightparts.
Laypipescorrectly.Suitablevibrationcompensatorsmustbeprovidedtopreventpipesbeing
crackedandbrokenbyseverevibrations.
Ensureaproperoilreturn.
Keeppressurelossestoanabsoluteminimum.
4.6 Pipe connections
Valve spindle seal
4.8 Operating the shut-off valves
Beforeopeningorclosingtheshut-offvalve,releasethevalvespindlesealbyapprox.¼ofaturn
counter-clockwise.
Afteractivatingtheshut-offvalve,re-tightentheadjustablevalvespindlesealclockwise.
Fig.13
Fig.14
ATTENTION! Overheating can damage the valve.
Solder only using inert gas to inhibit oxidation products.
Release
Tighten
Thepipe connectionshavegraduatedinsidediameterssothatpipes
 inthecommonmillimeterandinchdimensionscanbeused.
Theconnectiondiametersoftheshut-offvalvesaredesignedfor
maximumcompressoroutput.Therequiredpipecross-sectionmust
be matched to the capacity. The same applies for non-return
valves.
Fig.12:Stepped
internaldiameters