AIR COMPRESSOR MANUAL
- 14 -
1st Stage 5 kg/cm²
2nd Stage 60 kg/cm²
- Always operate the ELECTRIC HEATER(Option) in wintertime, if needed.
7-5 Pressure Gauge
￭ AIR PRESSURE GAUGE displays the pressure of air serviced and OIL PRESSURE
GAUGE displays LUBRICATION OIL pressure of compressor block.
￭ PRESSURE GAUGE is required of special attention for a shock, not to be broken.
￭ Immediately exchange on condition of being damaged.
￭ Exchange PRESSURE GAUGE according to manufacture's recommendation.
7-6 Safety Valve
Every pressure-stage is equipped with its own safety valve. They protect the unit
from over-pressure or load. The valve are adjusted to:
If a safety valve blows, it indicates problem with either inlet or outlet valve of the
next stage.
Note: A faulty safety valve should be replaced immediately!!
￭ Safety valve protects the machine for the higher pressure than set pressure
￭ Operator should check safety valve condition and operation carefully.
￭ The damaged safety valve should needs proper and prompt care,
if needed, should be immediately exchanged with manufacturer authorization.
￭ Do not change safety valve without manufacture authorization.
￭ Do not modify or adjust Safety valve without manufacturer's authorization.
￭ Only skilled engineer can regulate safety valve's setting pressure with manufacture's
instruction and confirmation.
(Caution : Never exceed over 110% of rated pressure)
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