DIY Home Improvement Forum banner

Sears 10" Radial need Controls 815741 part

15K views 21 replies 14 participants last post by  Ben649 
#1 ·
I bought a Sears Craftsman #113.198610 from a guy and it has NEVER BEEN USED. It's about 12 years old but never used. The contact point under the battery was a bit crusty and I cleaned that and installed a new battery and that works, but the electronics for the controls do not. Every avenue I have pursued says that part (815741 Controls, R.S.) is no longer available. Can that be true? No one makes or has them anymore? Would be thrilled if anyone has a source. RonTay:wallbash:
 
#4 ·
the battery was a bit crusty and I cleaned that and installed a new battery and that works,
the electronics for the controls do not.
Need more details.
What does the battery do?
What controls?
I'm sure you can find elec. equivalent parts elsewhere, but they may not fit mechanically.
If there is an OEM posted on the parts they maybe can provide the elec. specs on these parts.

I assume the saw pulls 15A @ 120v?
 
#5 ·
The part (Controls, R.S.) controls the miter lock adjustment. The battery powers that portion of the electronics but the control itself does not work. Sears says mfg. no longer makes it and has no recommendation for an alternate/interchangeable part.
 
#6 ·
The part (Controls, R.S.) controls the miter lock adjustment. The battery powers that portion of the electronics but the control itself does not work.
I'm having trouble understanding why electronics is necessary for a miter lock adjustment.
I can't imagine that this thing is very complex, electric-wise.

What battery is used? This gives some idea of the current this module needs.

Please post a link to the instruction manual.

What are the 'inputs' to this module? Do you push a button to activate? Is there an interlock switch anywhere that also controls this circuit?

What are the 'outputs'? The miter setting becomes locked? Does this circuit drive a solenoid somewhere?

Inside and outside photos of this module would help, and a schematic would be great. If there are few parts we can reverse engineer the schematic.
Closeups of the individual components in this module, along with any numerical designations, would help.

Perhaps the module OEM will provide info to you? Drawings, specifications. . .?
 
#8 · (Edited)
Thanks for the link.

If nothing on the display works I think the problem is the battery is not making contact.

You need a VOM to confirm/disprove this and you'll need to make up test leads that can get to the
battery-terminal/display-contacts
interface. Strips of aluminum foil with paper as an insulator may work.

The battery capacity is ~600 mAh, so if you can get a battery life estimate from Sears we'll know the expected current draw. It's possible it's around 30 mAdc and this is what your VOM should read if it's put in series with the battery with the display on.
 
#18 ·
This is a common problem with sears tools. They make a tool for a specific time then change and quit making parts for it. My feeling about this is they do it because you will be forced to purchase something else. Way back when I bought a cordless drill from them after a couple years the battery charger quit and like you I was told they were no longer available so now I have a perfectly good drill, perfectly good batteries, just no way to charge them. Needless to say I quit buying craftsman power tools.
 
#22 ·
Dead electronic controls on Sears 10in Radial Arm Saw

Hey,
Saw the chat from a few years ago. I have the same problem with dead display on the electronics control. Battery and contacts are good. I think I just need to replace the whole board. SearsPartsDirect says Control assy
Part #: 815741 is no longer available.
Any idea where I could find this?
-Ben
 
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top