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CSL Part Number: 86878
Product Overview: The Cleveland Machine Controls 650 Series 5 HP DC Drive (Model 655) is a thyristor-based DC motor controller designed for industrial machinery applications requiring variable speed control. It regulates DC motor speed and torque through adjustable voltage output up to 180V DC. The drive uses plug-in relays for direction control and features adjustable minimum and maximum speed potentiometers. Common applications include machine tools, conveyors, and material handling equipment where precise speed control of fractional to 5 HP DC motors is required.
Category: DC Motor Controls
Manufacturer: Cleveland Machine Controls
Manufacturer Synonyms: CMC
Manufacturer Part Number: 655
Series: 650 Series DC Drive
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Common Failures
Common issues reported with the Cleveland Machinery Control Model 655 include blown fuses and motor control failures. In some cases, a relay within the unit may not actuate, preventing motor operation even when the main contacts for forward and reverse function normally.
Repair Approach
Repairs may involve addressing defective components such as capacitors, resolving poor solder connections, and cleaning oily residue from the circuit board and chassis. Adding relay hold down clips and resoldering connections are typical procedures performed during repair.
Testing & Quality
Following repair, units are tested to confirm proper operation, including motor operation and verification that voltage outputs are within specification. Testing is conducted before the unit is returned to the customer.
```Service and repair your broken Cleveland Machine Controls part
We can repair your Cleveland Machine Controls model 655 in our facility. Let our skilled technicians get your Cleveland Machine Controls back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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