Troubleshooting Guides for the CS aerotherm Spiral Mixer CSM-25/50/75/100

CS aerotherm Fixed Bowl Spiral Mixer CSM-25/CSM-50/CSM-75/CSM-100

CS aerotherm manufactures a comprehensive range of Spiral Mixer for food processing. The dough mixer is efficient, fast, and requires little maintenance. Our range of Spiral Mixers offers good sealing and homogeneous mixing.

In addition to that, they have low noise emission and are energy efficient. Every dough mixer is equipped with a bowl safety transparent guard. Independent motors are provided for the bowl and spiral mixer. Spiral Arm, Bowl, and Dividing plate are made of high-grade Stainless Steel.

These are faster & more reliable Fixed Bowl Spiral Dough Mixers for Bakeries.

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Replacing the Spiral Arm

To change the Spiral Arm, follow the steps mentioned below:

1. Switch off the Spiral Mixer and unplug the machine and ensure there is no power.
2. Locate the Bolts holding the arm in place at the bottom of the head of the Mixer.
3. Using a 30 mm spanner, remove the bigger bolt holding the arm in place by turning it anti-clockwise. This is present only the CSM-25. The CSM-50/CSM-75 do not have this. Keep the washers in the bolt itself, since they need to reused.
4. Using an allen key bolts as well. Keep the washers in the bolt itself, since they need to be reused.
5. Once removed, place the new arm in the same position.
6. Ensure the bolt holds are matching.
7. Tighten the Allen Bolts using the allen key by turning them clockwise accordingly.
8. Put back the 30 mm bolt in place with the washers and tighten it. This is present only in CSM-25. The CSM-50/CSM-75 do not have this.
9. Plug the Spiral Mixer back into the socket and switch it on.
10. The Fixed Bowl Spiral Mixer is ready to use.

Replacing the Bowl

To change the Pulley Belts, follow the steps mentioned below:

1. Switch off the Spiral Mixer and unplug the machine and ensure there is no power.
2. Follow the above steps to remove the Central Arm and Spiral Arm.
3. Locate the bolts under the bowl.
4. Using an 18-19 mm spanner, remove the 12 mm bolts holding the bowl in place by turning it anti-clockwise. Keep the washers in the bolt itself, since they need to be reused. The CSM-25 has 5 bolts and the CSM-50/CSM-75 has 6 bolts.
5. Once removed, place them on the side.
6. Remove the bowl that has to be changed.
7. Clean the bowl support base thoroughly and ensure there are no dust particles.
8. Place a new bowl in its place.
9. Using the same 18-19 mm spanner, put back the screws with the washers by turning them clockwise.
10. Fixed Bowl Spiral Mixer is ready to use.
11. Always tighten the opposite side nuts first to ensure proper balancing.
12. Once fully tight, rotate it to check for proper balancing.
13. Plug the Spiral Mixer back into the socket and switch it on.

Replacing the Pulley Belt

To change the Pulley Belts, the following need to be done:

1. Switch off the Spiral Mixer and unplug the machine and ensure there is no power.
2. Remove the top cover by unscrewing the 12 mm screw on top of the cover using an 18-19 mm Spanner.
3. Remove the connector by removing the clip and pull the connector out.
4. Place the top cover safely next to the Fixed Bowl Spiral Mixer.
5. Loosen the tensioning of the motor, by unscrewing the 12 mm screws by using an 18 mm spanner located below the pulley by turning them anti-clockwise.
6. Remove the belts (CSM-25 has 4 belts, CSM-50 has 6 belts and CSM-75 has 6 Belts).
7. Once removed, place it to a side.
8. Put the new belts in place of the existing ones.
9. Tighten the tensioning of the belts by adjusting the position of the motor and pulley.
10. Once the belt is tightened, tighten the 12 mm screws of the motor by turning them clockwise using the 18 mm spanner.
11. Also tighten the 12 mm screws of the pulley by turning them clockwise using the 18 mm spanner.
12. Ensure both the screws are completely tight.
13. While putting the top cover back on, connect the electrical connector tightly and ensure the clip is put back tightly.
14. Place/Put the top cover and tighten the 12 mm screw by turning it clockwise using the 18-19 mm spanner.
15. Plug the Spiral Mixer back into the socket and switch it on.
16. Ensure there is no sound and check if the Fixed Bowl Spiral Mixer is working fine.

Replacing the Motor

To change the Motor, the following need to be done:

Dismantling

1. Switch off the Spiral Mixer and unplug the machine and ensure there is no power.
2. Using an 18-19mm spanner remove the 12mm bolt on the top cover by turning it anti-clockwise.
3. Using an 18-19mm spanner, remove the 4 12mm bolts on each side of the motor by turning it anti-clockwise.
4. The motor will loosen up.
5. Using an 18-19mm spanner, remove 12mm bolt the used for tensioning the belts, remove that by turning it anti-clockwise.
6. Remove the belts from both the motor and pulley and place is aside.
7. Using a 10mm allen key, remove the 4 12mm allen bolts located on each side of the motor support plate by turning it anti-clockwise.

Assembly

1. Replace the motor in the same position.
2. The motor ratings for each machine are below: Motor Ratings for the Fixed Bowl Spiral Mixer CSM-Series
   

   Model Number	HP/KW	Volts	Phase
   CSM-25/50	2/1.5	415	3
   CSM-75	3.7/2.75	415	3
   CSM-100	5/3.72	415	3

3. Put back the motor support plate removed in point 7 and using a 10mm allen key tighten the 4 12mm allen bolts tightly by rotating them clockwise.
4. Put back the belts of the pulley and the motor and ensure each belt is properly put in each groove of the pulley and motor.
5. Put back the 12mm screw used for tensioning the belt and ensure the belt is properly tightened by rotating them clockwise.
6. Put back the 4 12mm bolts removed in point 3 and ensure it's properly tightened by rotating them clockwise.
7. Put back the top cover removed in point 2 and tighten the 12mm bolt tightly by rotating it clockwise.
8. Plug the Spiral Mixer back into the socket and switch it on.

Replacing the MPCB

To change the MPCB, the following need to be done:

1. Switch off the Spiral Mixer and unplug the machine and ensure there is no power.
2. Open the control panel on the side by removing the lock.
3. Locate the MPCB that is not working or which has tripped.
4. Remove the RYB Cables from the MPCB both from the input and output size by using a tester and rotating the screw in the MPCB where the wires are inserted into the MPCB Please note the location of the cables.
5. Replace the MPCB with the corresponding MPCB in the same location.

The MPCB ratings are mentioned below:

Model No.	MPCB Ratings (A)	Quantity (No.s)	MPCB Ratings (A)	Quantity (No.s)	MPCB Ratings (A)	Quantity (No.s)
CSM-25	4-6.3	2	1-1.6	1	None	None
CSM-50	9-14	1	6-10	1	1.6-2.5	1
CSM-75	13-18	1	9-14	1	1.6-2.5	1
CSM-100	20-25	1	17-23	1	2.5-4	1

6. Once the MPCB is removed, put the new one in place of that.
7. Put back the input and output wires which were removed in point 4 using a tester. Please ensure the wires are matching the same colour coding.
8. Close the electrical panel cover and lock the same.
9. Plug the Spiral Mixer back into the socket and switch it on.

Replacing the Relay

To change the relay, the following need to be done:

1. Switch off the Spiral Mixer and unplug the machine and ensure there is no power.
2. Open the control panel on the side by removing the lock.
3. Locate the relay that has stopped working.
4. Remove the relay by holding it with 2 fingers and pushing it upwards.
5. The relay will loosen, then pull it out.
6. Replace it with the new relay.
7. The relays used for the CSM Series Mixer are of 2 Changeover 300VAC 12A relays.
8. Close the electrical panel cover and lock the same.
9. Plug the Spiral Mixer back into the socket and switch it on.

Replacing the Contactor

To change the contactor, the following need to be done:

1. Switch off the Spiral Mixer and unplug the machine and ensure there is no power.
2. Open the control panel on the side by removing the lock.
3. Locate the contactor that has tripped.
4. Untrip the contactor that has tripped by pushing on the green switch.
5. If it continues tripping, the contactor needs to be changed.
6. Remove the RYB Cables from the contactor both from the input and output size by using a tester and rotating the screw in the contactor where the wires are inserted into the contactor Please note the location of the cables.
7. Using a tester remove the screws of the contactor and keep the contactor aside.
8. Replace the conactor with the corresponding contactor in the same location.

The contactor ratings are mentioned below: CSM Series Contactor Specifications

Model	Contactor Ratings (A/Volts)	Quantity (No.s)	Contactor Ratings (A/Volts)	Quantity (No.s)
CSM-25	12/230	5	None	None
CSM-50	18/230	3	12/230	2
CSM-75	32/230	3	12/230	2
CSM-100	32/230	3	12/230	2

9. Once the contactor is removed, put the new one in place of that.
10. Put back the input and output wires which were removed in point 4 using a tester. Please ensure the wires are matching the same colour coding.
11. Close the electrical panel cover and lock the same.
12. Plug the Spiral Mixer back into the socket and switch it on.

Spare Parts

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