[TechAssist] Re: OT Any treadmill experts out there?
- From: Kevin <kevintv@xxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 01 Feb 2004 20:09:54 -0800
How about a shorted armature?
Kevin Wilks
Kevin's TV & Video Repair
Penticton BC Canada
kevintv@xxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Al Gutz
Sent: Sunday, February 01, 2004 7:25 PM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: OT Any treadmill experts out there?
John
Most of those use a DC motor. Check the voltage to the motor with a load
if you cant walk and measure at the same time get a helper. If motor
voltage is dropping possible bad rectifier or caps. The only thing
likely bad in motor could be brushes. Speed is controlled using a SCR
vary volts to the motor.
On the types with AC motor the speep is usuall controlled with a tirac.
Al G
Al's TV-Electronics
Pembroke Ont.
Canada
John Myers wrote:
>
> Hi,
>
> I'm trying to fight off dunlaps disease (my stomach's about to dun lap
> over my belt. Someone gave me a Proform treadmill a few year ago. A
> connector in the positive line to the motor which turns the belt had
> burned open.
>
> An easy fix, I thought. The treadmill now works, but it appears to
> have reduced torque. The tread moves OK, but the minute I step on it,
> it slows to a stop.
>
> OK, guys, I know what you're thinking. I'm only up to 233 pounds. :-)
>
> It seems to work OK, if I crank the speed up high, and then step on.
> For now, I'm going to check the caps in the power supply, hoping
> that'll fix it.
>
> I'm not a treadmill tech. I'm hoping for some advice.
>
> Thanks,
>
> John Myers
> Myers TV Service
> Alliance, OH 44601
> 330-821-6545
>
>
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