Here’s a detailed service proposal draft for KOBELCO Screw Air Compressor Motor Rewinding/Repairing that you can adapt for your needs:
We will carry out complete rewinding and/or repairing services for the electric motor of your KOBELCO screw air compressor, ensuring it meets or exceeds OEM specifications. Work will include:
Initial Inspection & Testing
Megger insulation resistance test.
Bearing condition check.
Rotor and stator visual inspection.
Winding resistance measurement.
Motor Dismantling
Safe removal of rotor, stator, and bearings.
Documentation of winding layout and technical parameters.
Rewinding Process
Removal of old winding and complete core cleaning.
Replacement of winding wire with new high-grade enamel copper wire.
Application of high-temperature class insulation materials.
Proper slot liner, wedge, and binding process.
Vacuum impregnation with Class H varnish for durability.
Repair Works (If Required)
Rotor balancing.
Shaft repair or replacement.
Bearing housing machining.
Replacement of bearings (SKF/NTN).
Final Assembly & Testing
Dynamic balancing of rotor.
High voltage test (Hi-Pot).
No-load run test.
Vibration and noise level check.
Load test if applicable.
Fully serviced/repaired motor meeting KOBELCO OEM standards.
Service report with test results before and after repair.
Six (6) months service warranty for rewound motor (conditions apply).
High-grade copper winding wire (Class H).
Insulation materials (Nomex/Mica).
OEM or equivalent bearings.
Electrical varnish for impregnation.