Unfortunately it doesn't seem to be available. A couple of sites say they have technical manuals for sale or download, but I don't trust that type of website. Try 'Jack's Small Engines'.
https://www.google.com/search?q=143.640022+wiring+diagram
..
google the manual is easy why .
968514<<< not this one from 2010 year?
SKU: 009068514000 ' Item: 00968514 ' Model: 68514
what country is it?located. so are not the same
try actual SEARS.com????
https://www.searshometownstores.com/product/Craftsman-68514-AllPurpose-StaplerBrad-Nailer
rear bottom squeeze to open , do
load in new staples.
slide it all back and go
or (googling for you)(
Squeeze the loading door on the back to open. Slide out the staple carriage to receive the staples.
load some.
Push the carriage into the gun and make sure it securely latches. There is a wire(rule) guide to let you know how many staples are left.
if carriage jams use less staples.
I believe the two shafts are conjoined (one slides inside the other). Rust jacking may cause them to seize together. Liberally apply penetrating oil at the point where they meet and try to work them loose.
Likely the seat switch. It doesn't see an operator in the seat but can be reverse swirch or PTO switch or a short to frame. It requires further troubleshooting to determine exact cause.
Question edited for clarity, full 'make model (what it is)'.
Question moved from Cars and Trucks to Craftsman.
I would say that 14.5 volts is too high, and you need a new voltage regulator. I wondered is they were adjustable for output? 13.2 to 13.8 is the average on a car. What is the voltage at the battery when the engine is running and the battery is charging? The battery has a calming effect on voltage in the system.
https://www.google.com/search?q=craftsman+dyt4000+adjust+charging+voltage
..
Question edited for clarity.
Question moved Craftsman Model.
That is odd, I usually state
white smoke is water
blue smoke is oil
black smoke is rich mixture
but it is air cooled.. However, you are not alone. check out the videos.
https://www.google.com/search?q=2015+craftsman+lt400+engine+white+smoke
..