Tools repair and advice - Broken Variable Speed on Drill

Author

Broken Variable Speed on Drill

Tanel Kagan

2006-05-05, 1:21 pm

I have a fairly basic variable speed cordless drill with adjustable torque
and hammer action, with a 14V motor I think.

Recently the variable speed stopped working. All other functions are fine
and the drill operates fine at max speed.

I understand that the linear potentiometer trigger mechanism which operates
as a speed controller may be worn, but is this worth replacing?

I bought the drill for about £20, any ideas on how much a replacement part
as above might cost?

I have also read that you can use an "inexpensive external motor speed
controller" what is this and how inexpensive is "inexpensive"?

Many thanks,

Tanel.

Bruce & Lois Nelson

2006-05-26, 1:21 am

Is the switch worth replacing? You have to compare the cost of the part
and the cost of installation (if you cannot do it yourself) to the cost of a
replacement too..

Before going that route, though, if you do not mind opening the drill:
try washing the switch with electrical contact cleaner (spray can). Dirt
does many things.

Bruce Nelson

"Tanel Kagan" <tanelkagan@(nospam)hotmail.com> wrote in message
news:QrWdnZeKj8zA8sbZRVnyuA@bt.com...
> I have a fairly basic variable speed cordless drill with adjustable torque
> and hammer action, with a 14V motor I think.
>
> Recently the variable speed stopped working. All other functions are fine
> and the drill operates fine at max speed.
>
> I understand that the linear potentiometer trigger mechanism which
operates
> as a speed controller may be worn, but is this worth replacing?
>
> I bought the drill for about £20, any ideas on how much a replacement part
> as above might cost?
>
> I have also read that you can use an "inexpensive external motor speed
> controller" what is this and how inexpensive is "inexpensive"?
>
> Many thanks,
>
> Tanel.
>
>

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