Medium & High Voltage
Motor Repairs

Workshop overhaul and stator rewind
for Large machines >1000V or form mold windings:

The National Electric Motor Services workshop prides itself on providing a comprehensive and meticulous overhaul service that caters to various motors, including large motors and generators. Our process involves thorough inspections, cleaning, drying, varnish and tropic-proof treatment, as well as expert reconditioning of all motor components and full electrical tests aiming to achieve the highest level of performance.

It’s important to highlight that our overhaul package is specifically tailored for large motors and generators that can be complex and critical components of industrial operations, making their proper functioning and longevity vital for business continuity.

Clients can rest assured that our expertise in handling large motors and generators allows us to provide industry-leading overhaul services, meeting stringent quality standards and contributing to the smooth operation of their critical machinery.

AC induction motor

electric motor

Incoming static electric test and visual inspection
Dismantling of motor and inspection of all components
Provide incoming inspection report
Steam cleaning and bake dry of windings
Class H varnish treatment of windings
Steam cleaning and bake dry other components
Skimming of rotor slip rings for slip ring motor
Dynamic balancing of rotor G1.0
Reassembly of motor
Renew bearings
Renew or recondition sleeve bearings
Final static and free load running test of motor

Optional Scope

Rewind stator winding back to original configuration
Renew winding accessories
Re sleeving of bearing housings to tolerance
Reclaiming bearing journals to tolerance
Local collection and delivery
Shrink wrap packaging if required
Transportation frame manufacture

Generator / Synchronous Motor

High Voltage Electric Motors

Incoming static electric test and visual inspection
Dismantling of motor and inspection of all components
Provide incoming inspection report
Steam cleaning and bake dry of windings
Class H varnish treatment of windings
Steam cleaning and bake dry other components
Skimming of rotor slip rings for slip ring motor
Dynamic balancing of rotor G1.0
Reassembly of generator
Renew bearings for non-sleeve bearing motors
Renew or recondition sleeve bearings for sleeve bearing motors
Final static and free load running test of generator for double bearing generators
Provide service report

Optional Scope