Question about Dewalt Dcs381 20 Volt 20 V Cordless Sawzall, Reciprocating Saw
Hello i have a year old dewalt reciprocating saw and it just stopped working, when i pull the trigger nothing happens, and if i giggle the tool around it works for a little bit and sometimes on very low speed. is there a way to fix this?
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Posted on Jan 02, 2017
REMOVE THE BLADE !!!! take the handle apart and lift out the switch. keep track of the lock slide button and how it is installed. unplug the switch wires. carefully touch the wires you just unplugged onto the battery terminals. these wires lead directly to the motor. BEWARE.. if the motor components are good , the saw will run at FULL SPEED. you only need to tap the wires, DO NOT jamb them onto the battery. If the motor runs then most likely the switch is bad. If you know how to use a continuity tester then you can also check the switch. Bad moter likely culprtet is the brushes are crapped out.
Posted on Apr 04, 2009
your missing a tooth on a large round gear in the gearbox.
when the gear on the engine rotates into the position where the little engine gear spins because there is no tooth to come into contact with the engine runs but the gearbox doesnt spin, hence no reciprocation, but engine runs.
if you bump the blade it will start going again, but when you cut it will stop offasionally in mid cut. you can repair this but stop using it the engine gear will be destroyed otherwise
I have a dewalt dw303 that you can use for parts, I need a new trigger or something the motor is dead and I found a new saw. go to craigslist.org, rochester ny tools section and look for dewalt dw303 that is my listing. for ten bucks ill sell you all the gears you need. i think it is close to the same model, i am sure it is the same gearbox.
try opening your gearbox, im positive that is what is wrong.
Posted on Apr 23, 2009
Before you attempt any of this I would recommend going to Dewaltservicenet.com and see what the inside of this tool looks like. It appears that you need to remove part of the front gearcase to get into the lube. The back e.g. brushes is not that big of a deal. If there is a Service Center near you they have a Max repair rate that they will fix anything on this saw at a preset firm price and if it is less that is what they would charge.
Posted on May 18, 2009
I would look at the battery contacts first for burnt/discolored contact, if so clean with something like a pencil eraser, look at the contacts on the tool also. If these are acceptable then I would think a loose wire inside the handle area is causing. Before disassembly hold tool level and GENTLY tap with a soft hammer to see if you can get it to work and that would be a first indication of a bad connection
Posted on May 24, 2011
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