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Screw Air Compressor Troubleshooting Methods (Upper And Lower)

Screw air compressor troubleshooting(Upper)

Note: on the air compressor maintenance, please read the random manual.

project faults possible reasons Remedy
(一) not start (electrical failure) · fuse burned · Please replace the electrical maintenance personnel
· host failure · check the host and thermal relay
· fan failure · check the fan and thermal relay.
· body failure · Please remove the motor belt, such as can not rotate, please TOKA service department
(二) operating current high pressure compressor trip on their own (electrical failure) · voltage is too low · please electrician maintenance
· exhaust pressure is too high · see pressure, such as more than set industry pressure, check the settings and pressure sensors.
· oil specification is not correct · check the oil number, replace the oil,
· belt loose · check and adjust
· clogged oil separator (oil pressure is high) · replace the oil separator
· body compressor failure. · rotating body, if not rotating, please contact the service department.
(三) lower than normal operating current air consumption of too much (pressure within the setting operation) check the gas consumption, if necessary, increase the compressor.
· air filter is clogged · cleaning or replacement.
· bad intake valve operation (butterfly valve is stuck no action) · remove grease cleaning and filling.
· gas valves (proportional valves) adjusted. · reset adjustment
(四) exhaust temperature is below normal (below 75 ℃) cooling water too adjust the cooling water outlet valve. In the case of air-cooled cooler cooler's heat can reduce the area
· ambient temperature · adjust the cooling water outlet valve, in the case of air-cooled cooler cooler's heat can reduce the area of ​​
· no load for too long · new ultra-high pressure setting parking time
· temperature sensor shows a deviation · replace the temperature sensor
· thermal control valve failure · replace the thermal control valve.
(五) exhaust temperatures are high, the air compressor on their own trip, fault display exhaust temperatures (more than set value 100 ℃.) insufficient oil check the oil level, if below the "L" when you stop to refuel "H".
· cooling water shortage · check out of the water temperature
· cooling water temperature is high · check the water temperature
· high ambient temperature · increase ventilation and reduce the room temperature
· oil cooler block · check out of the pipe temperature, normal temperature is about 5 ℃, such as less than 5 ℃, may block the oil cooler, remove the used The cleaning agents.
· oil specification is not correct · check the oil number, replace the oil
· thermal control valve failure · check whether the oil through the oil cooler, if not more heat control valve.
· air filter dirty · low-pressure air to clean the air filter.
· oil filter blocked · replace the oil filter.
· cooling fan failure · replace the cooling fan.

Screw air compressor troubleshooting(Lower)

(六) oil were high in the air. Add oil cycle shortened, no-load filter smoke. oil is too high Check the oil and discharged to the H and L between.
return pipe orifice block demolition clean
exhaust pressure is low Check the exhaust pressure, if necessary, adjust the
-return intake valve malfunction check the intake valve, if necessary, replace the
fine oil separator broken replace the new
pressure maintaining valve spring fatigue update spring
oil return check valve failure replace the new
oil specification is not correct check the oil number, replace the oil.
(七) can not operate at full load pressure sensor malfunction replace the new
three-way solenoid valve failure replace the new
intelligent controller failure replace the new
delay relay failure your electrical maintenance personnel replaced
intake valve action adverse disassemble and clean after filling grease
pressure maintaining valve action adverse inspection after the demolition of the valve seat and valve piece is worn, such as wear and tear replacement
proportional valve failure check the nozzle and the proportional valve is blocked.
intake valve servo cylinder block inspection, disassemble and clean.
treatment Cup leak check whether treatment has been leaking cup.
control pipeline leak check leaks and tighten.
(八) not empty, an empty car table remain working pressure or the pressure continues to rise, safety valve action pressure sensor failure repair, if necessary, replace
intake valve action adverse disassemble and clean after filling grease
relief valve failure (coil burning) repair, if necessary, replace the
gas regulator diaphragm breakage repair replace
bleed orifice is too small. moderately increase the aperture
(九) compressor air flow is below normal inlet filter blocked clean or replace
intake valve action adverse disassemble and clean after filling grease
negative pressure maintaining valve action demolished only after the check valve seat and valve for wear increases, such as wear and tear replacement, such as spring fatigue replacement
fine oil separator block repair, if necessary, replace the
relief valve leak repair, if necessary, replace the
inlet proportional valve set incorrectly repair, if necessary, replace the
(十) empty, heavy vehicles frequently pipeline leak check leaks and lock
pressure is set too small reset (usually a differential pressure of 0.1Mpa)
air consumption unstable increase the storage cylinder capacity
(十一) shutdown mist emitted from the air filter intake valve leak repair, if necessary, replace the
heavy truck stop check the intake valve is stuck, such as jammed, remove lubricating grease after cleaning
three-way solenoid valve action adverse check and replace if necessary
electrical wiring error your electrical maintenance personnel replaced
pressure maintaining valve leak repair, if necessary, replace the
relief valve does not discharge check relief valve, if necessary, replace the
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Air Compressor,Screw Air Compressor, Screw Air Compressor,Screw Air Compressor Maintenance