Brake motor, clutch & variator repair
WIU TECH repairs AC geared brake motors, magnetic clutches, magnetic brakes and variators (variable speed drives) used in conveyors, hoists and production machinery. We're based in Sungai Besi, Kuala Lumpur, with on-site inspection and pickup across KL, Selangor and Negeri Sembilan. Inspection is free when you go ahead with the repair.
At a glance
- Equipment
- AC geared brake motors, magnetic clutches, magnetic brakes, variators
- Brands
- Most brands. Send us the nameplate to confirm.
- Service area
- On-site inspection & pickup: Klang Valley (KL & Selangor), Negeri Sembilan and Ipoh. All other states, including Sabah and Sarawak, on request.
- Inspection
- Free when you proceed with the repair
- After repair
- Tested, returned, and reinstalled if you need it
Signs of a brake or clutch problem
- The brake doesn't hold, or the load drifts after stopping
- The brake doesn't release, so the motor strains or overheats
- Clicking, grinding or burning smell from the brake
- The clutch slips or doesn't engage
- A variator doesn't hold or change speed smoothly
What we do
| Equipment | Typical work |
|---|---|
| AC geared brake motor | Motor rewinding, gearbox servicing, brake coil adjustment |
| Magnetic clutch & brake | Servicing, clutch lining replacement, coil rewinding |
| Variator | Servicing, bearing replacement, lining replacement |
How we repair it
- 1
Inspect and diagnose
We check the brake or clutch, its coil and wear parts, and the motor.
- 2
Repair or replace worn parts
This includes linings, bearings and coils (rewound if needed), using quality parts only.
- 3
Adjust and test
Brake and clutch action is set and tested before return.
- 4
Report and return
You get a repair report, and we return the unit or reinstall it.
Can you repair the motor, brake and gearbox together?
Yes. Geared brake motors can be repaired as a complete unit.
Is a slipping brake dangerous?
On hoists, lifts and inclined conveyors, a brake that doesn't hold is a safety risk. Stop using the equipment and have it checked.
Related services
Brake or clutch not holding? Send us a photo.
Mon–Fri 9 am–5 pm · Sat 9 am–12 pm · WhatsApp anytime, we reply during business hours.
Prefer email? [email protected]

