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CSL Part Number: 114791
Product Overview: The 90V Motor (Eastman CST44B) is a DC motor designed for industrial automation applications. It operates at 90 volts DC and features a wound armature with commutator and brush assembly. This motor is commonly found in Eastman cutting systems and similar fabric or material handling equipment. The original design uses a crimped frame assembly, though modifications can enable bolt-together construction for serviceability. Key components include the armature windings, commutator, brushes, and shaft assembly, all critical for reliable rotational output in automated cutting and positioning applications.
Category: Motors
Manufacturer: EASTMAN
Manufacturer Part Number: CST44B (FS)
Also Known As(AKA): 5420241 Rev 01
Common Failures
Common issues include motor shaft binding and heat-related damage to internal components such as the armature and slot liners.
Repair Approach
Our repair process typically includes disassembly, cleaning, inspection, and testing of the armature. Repairs may involve armature rewinding, commutator replacement, and assembly modifications as needed. The motor is reassembled with attention to proper shaft alignment and fit.
Testing & Quality
Repaired motors undergo bench testing to verify proper operation before return to the customer.
Service and repair your broken EASTMAN part
We can repair your EASTMAN model CST44B (FS) in our facility. Let our skilled technicians get your EASTMAN 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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