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Trouble Shooting
1.
Motor starter cuts out vacuum pump:
1.1 Check that the incoming voltage and frequency corresponds with the motor data plate.
1.2 Check the connections on the motor terminal block.
1.3 Incorrect setting on the motor starter.
1.4 Motor starter trips too fast.
Solution: Use a motor starter with a time delay trip (version as per IEC 947-4).
1.5 Back pressure on the exhaust pipework is excessive.
2.
Insufficient suction capacity:
2.1 Inlet filters are obscured.
2.2 Suction pipe work is too long or too small.
2.3 Leak on the pump or on the system.
2.4 Blades are damaged.
3.
Vacuum pump does not reach ultimate vacuum:
3.1 Check for leaks on the suction side of the pump or on the system.
3.2 Blades are worn or damaged.
4.
Vacuum pump operates at an abnormally high temperature:
4.1 Ambient or suction temperature too high.
4.2 Cooling air flow is restricted.
4.3 Problem as per 1.5.
5.
Unit emits abnormal noise:
5.1 The pump cylinder is worn.
Solution: send your complete unit off for repair to the supplier or approved service agent.
5.2 The regulating valve (if fitted) is noisy.
Solution: replace valve.
5.3 Blades are damaged.
Appendix:
Repair on Site: For all repairs on site an electrician must disconnect the motor so that an accidental start of the unit cannot happen.
All engineers are recommended to consult the original manufacturer or one of the subsidiaries, agents or service agents. The address of the nearest
repair workshop can be obtained from the manufacturer on application.
After a repair or before re-installation follow the instructions as shown under the headings "Installation and Initial Operation".
Lifting and Transport: To lift and transport the units the eye bolts
provided must be used.
Storage: TR...V units must be stored in dry ambient conditions with
normal humidity. We recommend for a relative humidity of over 80%
that the pump should be stored in a closed container with the appropri-
ate drying agents.
Disposal: The wearing parts (as listed in the spare parts lists) should
be disposed of with due regard to health and safety regulations.
Spare parts list:
E 121
TR 40 V - TR 80 V
G
a
TR...V
Noise level (max.)
Weight (max.)
Length
Width
Height
Z
X
O
1
40
60
50 Hz
78
80
dB(A)
60 Hz
79
81
kg
36
23
mm
479
612
mm
341
411
mm
251
330
Y
80
82
83
79
666
441
343
/ PM6
2.2001
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