My Milwaukee 18v cordless drill/hammer drill is generally working OK, but seems to have completely lost its variable-speed function. Activating the trigger produces only full-speed operation. What might cause this, and is it practical to fix?
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cordless drills have a switch that allows for more torque at lower rpms si in effect it is a 2 speed drill coupled with a variable speed switch that alters the rpms
If the drill is running I would be looking at a speed control problem at this point I would be looking at the torque control switch
Generally, When your have the 18V milwaukee drill, you had better to use the same voltage battery charger to charge the battery. it will be more safe. John. http://www.anybatteries.com.au/battery-model.php/Power-Tools-Battery_milwaukee.html
Brushes to the motor could be the cause or heat sensor in the battery pack it switches off or even bad connections on motor check the spades connections could be loose
The variable speed function is controlled by the switch. If you only have off and full on, the only fix is to replace the switch (Bosch Part Number 2607202013).
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