Sabroe Mounting of motor on A-frames, IEC 180-355 Installation guide

Brand
Sabroe
Model
Mounting of motor on A-frames, IEC 180-355
Type
Installation guide
Mounting instruction
011249
22 September 2015
Mounting of motor on A-frames, IEC 180-355
This procedure outlines the process for mounting motors on A-frame design screw compressor units.
Procedure
1. Use scales to weigh the motor before assembly. See Fig. 1.
Fig. 1
Fig. 2
2. Align the red needle with the black on the scales while weighing the motor. This will be a reference for the
actual motor weight during assembly. See Fig. 1 and Fig. 2.
Fig. 3 Fig. 4 Fig. 5
Johnson Controls Denmark ApS
Christian X's Vej 201 ∙ 8270 Højbjerg ∙ Denmark
Phone +45 87 36 70 00 ∙ Fax +45 87 36 70 05 ∙ www.sabroe.com
CVR No 19 05 61 71
Page 1 of 3
Fig. 6 Fig. 7 Fig. 8
Fig. 9 Fig. 10 Fig. 11
Fig. 12 Fig. 13
Johnson Controls Denmark ApS
Christian X's Vej 201 ∙ 8270 Højbjerg ∙ Denmark
Phone +45 87 36 70 00 ∙ Fax +45 87 36 70 05 ∙ www.sabroe.com
CVR No 19 05 61 71
Page 2 of 3
Motor IEC 180-315
1. Place the M16 bolt in the middle hole in the motor support. See Fig. 4.
2. Mount the motor support plate under the motor, torque the bolts, and mount the adjusting nut under the
support, fig 5, and turn it by hand until it reaches the top.
3. Place the support beam loosely on the unit as shown in Fig. 6.
4. Position the motor while pulling up the M16 bolt until it fits the hole in the support beam. See Fig. 7 and
Fig. 8.
5. Bolt the motor to the tunnel and torque the bolts. Maintain the actual reading on the scales to within
+/-10% of the actual motor weight.
6. Weld the support beam to the unit as seen in Fig. 9, Fig. 10 and Fig. 11.
7. When the welds have cooled, adjust the adjusting nut while maintaining the reading from the scales as
described.
8. Mount the nut shown in Fig. 10, and torque the nut.
Sometimes a distance bushing is needed. See Fig. 11.
For motors bigger than IEC 315, a simpler motor support is used. See Fig. 12.
1. Start with 1 and 2 under Procedure.
2. Bolt the motor support to the motor with 2 mm liner plates in between and hand tighten the bolts.
3. Weld the support to the unit as shown in Fig. 12.
4. When the welds have cooled, torque the bolts as prescribed for the size, and note that the reading from
the scales is within +/-10% of the original motor weight. If this is not the case, loosen the mounting bolts,
and place shims under the motor until the reading from the scales is satisfactory.
5. Remove the scales.
Johnson Controls Denmark ApS
Christian X's Vej 201 ∙ 8270 Højbjerg ∙ Denmark
Phone +45 87 36 70 00 ∙ Fax +45 87 36 70 05 ∙ www.sabroe.com
CVR No 19 05 61 71
Page 3 of 3
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Sabroe Mounting of motor on A-frames, IEC 180-355 Installation guide

Brand
Sabroe
Model
Mounting of motor on A-frames, IEC 180-355
Type
Installation guide
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