Safety Valves; Dryer Maintenance Instructions - Chicago Pneumatic CPVS 95 Instruction Book

7.6

Safety valves

Location of safety valve
Operating
Operate the safety valve by unscrewing the cap one or two turns and retighten it.
Testing
Before removing the valve, depressurise the compressor.
See section Problem solving.
Valve (SV) can be tested on a separate air line. If the valve does not open at the set pressure stamped on the
valve, it needs to be replaced.
Warning
No adjustments are allowed. Never run the compressor without safety valve.
7.7

Dryer maintenance instructions

Safety precautions
Refrigeration dryers of ID type contain refrigerant HFC.
When handling refrigerant, all applicable
aware of the following points:
• Contact of refrigerant with the skin will cause freezing. Special gloves must be worn. If contacted
with the skin, the skin should be rinsed with water. On no account may clothing be removed.
• Fluid refrigerant will also cause freezing of the eyes; always wear safety glasses.
• Refrigerant is harmful. Do not inhale refrigerant vapours. Check that the working area is adequately
ventilated.
Be aware that certain components such as the refrigerant compressor and the discharge pipe can become
quite hot (up to 110 °C - 230 °F). Therefore, wait until the dryer has cooled down before removing the
panels.
Before starting any maintenance or repair work, switch off the voltage and close the air inlet and outlet
valves.
80
safety precautions must be observed. Please be specifically
Instruction book
2920 7101 51