Rietschle Thomas MACRO DTB 180 Instrucciones De Uso página 8

5. Coupling (picture )
The coupling rubbers (k) are wearing parts and should be checked regularly. When the coupling rubbers are worn this can be detected by a knocking
sound when the compressor is started.
Defective coupling rubbers can cause extensive damage and even in some extreme cases break the rotor shaft.
To check the coupling, stop the motor (m) and isolate. Remove the screws (s
should also be removed. Pull off the motor together with the motor side coupling half (q). If the coupling rubbers (k) are damaged, remove the
circlips (l) from the coupling bolt (r) and exchange the coupling rubbers (k). Leave the spacer (p) in place, check the coupling bolts (r) for any wear
and replace if necessary. To replace, remove the circlip (l
washer (u) and exchange the coupling bolts.
Re-assemble in reverse order.
Trouble Shooting:
1. Motor starter cuts out compressor:
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 The regulating valve is dirty causing excess pressure.
2. Insufficient pressure capacity:
2.1 Inlet filters are obscured.
2.2 Pressure pipe work is too long or too small.
2.3 Leak on the compressor or on the system.
2.4 Blades are damaged.
3. Compressor does not reach overpressure:
3.1 Leak on the compressor or on the system.
3.2 Blades are damaged.
3.3 Motor rating selected was too small.
4. Compressor 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 compressor cylinder is worn.
Solution: send your complete unit off for repair to the supplier or approved service agent.
5.2 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 compressor the eye bolts on the housing and motor must be used. If an eye bolt is missing use suitably
rated strops. The weight of the compressors is shown in the accompanying table.
Storage: DTB units must be stored in dry ambient conditions with normal humidity. We recommend for a relative humidity of over 80% that the
compressor should be stored in a closed container with the appropriate 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.
E 367 / 1 ➝ DTB 180 - DTB 500 (02)
Spare parts lists:
E 367 / 2 ➝ DTB 180 - DTB 500 (32)
DTB
Noise level (max.) /
Sound power*
Weight (max.)
Length (max.)
Width
Height (max.)
), pull off the coupling and fan (v) complete from the pumpshaft, remove the nut (w) with
1
180
50 Hz 80
dB(A)
60 Hz 81
(02) 280
kg (32) 285
(62) 295
(02) 1294
mm
(32)/(62) 1289
(02)/(32) 568
mm
(62) 640
(02) 679
mm (32) 751
(62) 651
) on the motor flange (n). For motors secured by the feet, screws (s
5
250
80
81
305
310
320
1355
1350
568
640
679
751
651
340 500
84 85 / 95*
86 / 97* 87 / 98*
560 675
570 685
590 705
1432 1667
1419 1662
704 714
781 791
824 824
911 911
796 796
)
6
8.03 / PM7