Air receiver safety valve blows
Tanabe TASK, oil-injected rotary screw compressor, packaged
Possible cause
Unloader pressure switch, unloader valve or solenoid fault
What to do
Manufacturer's manual, p. 36Readjust, clean or replace
See the assembly on the 3D model
Other Tanabe TASK faults
Does not start or stops at onceControl panel fault, low voltage, thermal relay trippedSeparator safety valve blows (high oil pressure)Clogged separator cartridge, minimum pressure valve faultPressure does not rise (stays unloaded)Pressure switch, solenoid or unloader seal ring faultOverheat tripDirty cooler, low oil, fan stopped, blocked intake, thermo valve faultOil flows back to suction filter at stopUnloader solenoid fault or stop delay relay wrongHigh oil content in airClogged separator cartridge, blocked return line, overfillingHigh vibration or noiseWorn mounting rubbers, loose bolts, bearing damage
From the manufacturer's manual “EM-20-3 INSTRUCTION MANUAL FOR AIR COMPRESSOR”. Check against the original on board before work.