Drawell T60 Manual de Instruções - Página 14
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Trouble
Possible reason
1.Out of electrical
2.Operation voltage is abnormal
3.Motor is malfunctioning
Pump can not be
4.Pump is jammed
started
5.Out of operation for long, liquid and organic
solvents result rust of the pump body
6.Pump inner accessories are damaged
1.Pump is too small to suit for the machine
2.Measuring technique or gauge is unsuitable
Pump can not
3.Oil level is too low
reach the
maximum
4.Vacuum system leak
pressure
5.Exhaust valve is malfunctioning
6.Lubricate seal oil channel inside pump
blocked
7.Oil is unsuitable or deteriorated
1.Oil seal broken
Oil seal leak
2.Seal ring was deformed
1.Motor is malfunction
2.Coupling element is worn
Abnormal voice
3.Vane spring is broken
4.Foreign material into the pump
5.Parts of screw loosed
1.Continuous operation under high pressure in
the intake port
2.Process gas is too hot
Overtemperature
3.Cooling air supply is obstructed
4.Oil cycle is obstructed
5. Ambient temperature is too high
1.Too much oil in the pump
Oil injection
2.Continuous operation under high pressure in
the intake port
1.Misalignment between the check valve and
the inlet opening
Oil drain back
2.Misalignment of exhaust valve
3.Impurities in the exhaust valve ports
Solution
1.Check the connection of power supply
2.Voltage wave within 10%
3.Replace the motor
4.Repair the pump
5.Repair the pump
6.Repair the pump
1.Replace the pump
2.Use the correct measuring technique and
gauge,measure the pressure directly at pump's
intake port.
3.Add Oil
4.Check the leakage(sealing element)
5.Repair the valve
6.Clean oil channel
7.Change the oil(Pump Oil only)
1.Replace new oil seal
2.Replace new seal ring
1.Voltage wave within 10%
2.Install new coupling element
3.Replace the vane spring
4.Clean the pump body
5.Check the parts and tighten the screw
1.Shorten exhaust time as far as possible
2.Set up something like cold trap
3.Set pump correctly
4.Clean the oil channels
5.Cooling the temperature
1.Drain some oil
2.Shorten exhaust time as far as possible
1.Reset them
2.Reset it
3.Clean the impurities
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