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3. 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 blower is
started.
Defective coupling rubbers can cause extensive
damage and even in some extreme cases break
the blower shaft.
To check the coupling, stop the motor (m) and isolate.
Remove the screws (s
). Pull off the motor together with the
5
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, screw off motor flange (n),
remove threaded pin (l
), pull off the coupling (q
1
blower shaft. Remove the nut (w) with washer (u) and
exchange the coupling bolts.
Re-assemble in reverse order.
Trouble Shooting:
1.
Motor starter cuts out blower:
1.1 Check that the incoming voltage and frequency corre-
sponds 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 Blower operates without connection to a system.
1.6 Motor rating selected was too small.
Solution: If available use a blower with the next motor size (exchange of the motor only is not possible).
2.
Insufficient suction or pressure capacity:
2.1 Blower or motor rating selected was too small.
2.2 Pipe work is too long or too small.
2.3 Leaks on the blower or on the system.
3.
Blower operates at an abnormally high temperature:
3.1 Ambient or suction temperature is too hot.
3.2 Blower sucks too little air.
Solution: Increase diameters.
3.3 Cooling air flow is restricted.
4.
Exhaust noise or inlet noise is unacceptable:
Solution: Use an additional silencer ZSD (optional extra).
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 vacuum pump the eye bolts on the pump and motor must be used. If an eye bolt is missing use suitably
rated strops.
The weight of the blowers are shown in the accompanying table.
Storage: The blowers RGES must be stored in dry ambient conditions with normal humidity. We recommend for a relative humidity of over 80%
that the units 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.
Spare parts lists:
E 804
E 805
# on request!
RGES
Noise level (max.)
Sound power
Weight (max.)
Length (max.)
Width
Height
) from the
1
RGES 330 08 (16) –> RGES 530 09 (33) / RGES 330 08 (32) –> RGES 530 09 (36)
RGES 330 08 (30) –> RGES 530 09 (34) / RGES 330 08 (31) –> RGES 530 09 (35)
330 08
dB(A)
#
dB(A)
#
(16)/ (33)
136
(30)/ (34)
168
kg
(31)/ (35)
130
(32)/ (36)
136
(16)/ (33)
1058
(30)/ (34)
1094
mm
(31)/ (35)
902
(32)/ (36)
1067
mm
523
mm
586
m
s
5
n
330 10
430 09
#
#
#
#
142
185
172
225
140
180
142
185
1058
1047
1094
1079
902
887
1067
1071
523
619
586
684
l
k
p
q
q
u
1
470 09
530 09
#
#
#
#
329
417
345
383
320
360
329
417
1352
1456
1320
1336
1128
1144
1323
1427
656
715
729
791
r
l
1
w
6.2001
/ PM6
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