Gerling Laboratories Repair Facility for Motor Controllers
Home Repair Program Return Form ?Repairable? Test & Reinstallation SCR Control PWM Control SMPS Control Customer Comments Controller History Motor Test

Repair Services - Bench Top Lathe and Mill  Motor Controllers

Gerling Laboratories has established a repair facility for motor controllers used in bench top micro and mini lathes and mills and table drive accessories.  Most of them are produced by SIEG,  however we have added a controller from KB Electronics.

To help users understand their controllers, we have put together a simple discussion of each of the three type of controllers we repair.  These are SCR Control, PWM Control and SMPS Control. 

The following lists the units that we are currently repairing.  While they are not specifically listed, we repair the 230 volt versions in all cases.   Please visit the Repair Program page for specific details.

Controller Ratings - All of these units are designed to control a permanent magnet DC motor with a full speed armature voltage of about 100 volts (except the ZZ which is 24 volts)  The SIEG model numbers give the rated line voltage and maximum power out.  i.e. the FC350BJ110V is rated for 350 watts at 110V.  The 350 is the power rating and the 110V is the input line voltage.  The XMT-2335 is rated for 350 watts at 230V.  The 23 is line voltage (11 would be 110V) and the 35 is 350 watts.

Interchangeability - We have a few instances of a vendor sending a XMT model to replace a FC model. While they provide the same function, they are not directly interchangeable. They have different start logic and the wiring of the speed control is different.   If you have this problem, please write and we will try to help

If you have any questions, please Write.

 Model Number

Used on

ZZQ021226A X2 Mill Table Drive
FC150BJ/110V Central Machine 47158 Micro Mill
FC250/110V Harbor Freight Early 33684

FC250J/110V
 

Cummins 5278  - 7X10 Lathe
Harbor Freight 33684 - 7X10 Lathe
Homier 03911 - 7X12 Lathe
Grizzly G8688 - 7X12 Lathe
Micro-Mark 82500 - 7X12 Lathe
FC350BJ/110V Cummins 7827 Mill
Harbor Freight  44991 Mill
Homier 03947 Mill
Grizzly G8689 Mill
Micro-Mark 82573 Mill
FC250BJ/110V Harbor Freight 7X10 Lathe
XMT-1115  X3 Table Drive
CO Lathe
XMT-1125 7 X 10 - 14 Mini Lathe
XMT-1135 7 X 14 Mini Lathe
XMT-1160 Grizzly G0463
Grizzly G0614
Harbor Freight 93885
SIEG X3 Mill
KBLC-120 & KBIC-120   Real Bull CJ0618 Lathe
 

FC150BJ/110V

FC250/110V

FC250J/110V

FC250BJ/110V

FC350BJ/110V

XMT-1115

XMT-1125

XMT-1135

 

XMT-1160

KBLC-120

ZZQ021226A - 24V @ 1A

 

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