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Post by onewheeldrive on May 26, 2015 14:23:11 GMT -5
Ran into an issue with the harbor freight emergency impact. The little switch above the trigger (tighten/loosen) doesn't work well at all anymore. If I put it in the "left" (loosen) position, I have to forcefully move it even farther left for the switch to even register (and it won't always register)--- keep in mind the switch lever is flimsy plastic. The "right" (tighten) position only works a tad better.
I thought maybe the casing wasn't allowing full motion, so I took the wrench apart the other day. I didn't see any bad connections, and the switch still acted the same even with free movement. So the problem appears to be in the trigger switch-- the tighten/loosen switch is built into the trigger itself-- everything seems "snapped" together. That's the problem, I'm worried it'll break when prying it apart.
I can take a pics of the switch. Any ideas?
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Post by JerryScript on May 26, 2015 14:35:04 GMT -5
I usually don't worry about breaking plastic, a dab of epoxy fixes most breaks, a bit of fiberglass for mounting points.
I've blown more than one fuse with my HF emergency impact wrench, and after reading your issues with the directional switch, makes me wonder if the act of switching is blowing the fuse due to this shoddy switch construction. It always works a bit before blowing a fuse, so I think I'll unplug it before switching directions from now on.
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Post by dmartin95 on May 26, 2015 18:49:16 GMT -5
Ran into an issue with the harbor freight emergency impact. The little switch above the trigger (tighten/loosen) doesn't work well at all anymore. If I put it in the "left" (loosen) position, I have to forcefully move it even farther left for the switch to even register (and it won't always register)--- keep in mind the switch lever is flimsy plastic. The "right" (tighten) position only works a tad better. I thought maybe the casing wasn't allowing full motion, so I took the wrench apart the other day. I didn't see any bad connections, and the switch still acted the same even with free movement. So the problem appears to be in the trigger switch-- the tighten/loosen switch is built into the trigger itself-- everything seems "snapped" together. That's the problem, I'm worried it'll break when prying it apart. I can take a pics of the switch. Any ideas? Return it to the store where you purchased it from.... Doesn't matter if you have receipt or not with Harbor Freight if you're just doing an exchange and not trying to get cash back.... I had purchased a Sump pump about 3 years ago from HF, sat in a Basin that whole time and looked like it as well.... It stopped working so I decided to try and return it... Well, not only did I not have the receipt for this dirty ole pump, they also no longer carried this model.... They still let me exchange for a brand new one with equal specs... The real bonus, they didn't have one with equal specs, I got a slightly better unit without having to pay a dime. If I can return that dirty ole sump, I'm sure you can return your impact. |
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Post by javarod on May 27, 2015 1:30:44 GMT -5
That or you can repair it. Sounds like a basic switch, i'm assuming on-on, not on-off-on? Should be able to find a switch online or any electrical parts place, and i suspect you'd have a hard time finding one that can't handle the amps as i suspect that that doesn't draw much.
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Post by onewheeldrive on May 27, 2015 14:50:25 GMT -5
I may take it back. HF is out of town so it prob won't be today.
The switch came apart easier than expected. Inside the switch was 2 small springs with little removable metal contacts(?) at the end of each spring, with 4 contact points (assuming 2 for loosen, 2 for tighten) in an "x" pattern. I figured maybe the springs were weak--- something isn't making contact properly, so I stretched them a tad thinking maybe they weren't pushing the little metal tabs onto the contact points. I put it back together and still the same problem. There wasn't much else in there besides grease.
Forgive the lack of "lingo", lol.
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Post by JerryScript on May 27, 2015 22:33:48 GMT -5
Pics are always helpful with component assembly.
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Post by rockynv on May 28, 2015 12:07:43 GMT -5
It is just an emergency impact for those few times over the years when you need it and not really designed for repair projects. In the users manual there will be a parts listing and a toll free number to call to get a new switch sent to you. If its still under warranty then take it back to the store for an exchange.
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Post by onewheeldrive on May 28, 2015 15:33:46 GMT -5
Pics are always helpful with component assembly. I'll try and get some pics up late tonight. |
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Post by lain on May 28, 2015 22:47:25 GMT -5
I've been using mine daily now pretty much. I always disconnect it after each nut/bolt/direction change. I always prepare the tool with socket and direction before connecting to the power. It has become my favorite tool!
The only time I ever find myself using my air driven impact wrench now is when the nut/bolt was previously tightened with an air driven tool, or a high powered tool at least. I've had a friend come over because he couldn't get his rim and tire off, I'm actually holding onto his scoot right now because I'm having issues getting his new tire on the rim. The nut on the rear tire was tightened so much with an air driven tool it took charging my tank up to 90psi and using the full power of my 425 lb air wrench and about 10 taps. He said he brought it to a shop last time and they charged him way too much so he's trying do it himself, with my help. My guess is they went crazy tightening it down like they thought it was a car for a second or something haha.
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Post by onewheeldrive on May 29, 2015 0:37:02 GMT -5
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Post by rockynv on May 29, 2015 4:19:05 GMT -5
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Post by onewheeldrive on Jun 2, 2015 2:59:04 GMT -5
Thanks for the replies. I haven't tinkered with it. Been busting butt at work, so when I get home it's "lazy-time". Yeah right, more like dishes, laundry...etc, lol.
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Post by rockynv on Jun 2, 2015 3:55:51 GMT -5
I know the feeling. Work, work, work, go home, cook dinner, clean up, ZZZzzz... Tropical evening Tstorms with  degree temps (100+ in the garage) don't really draw me out into the workshop either. Just don't wait too long on checking HF about a replacement trigger since they do supersede products regularly and even though they look the same externally inside they may not be and then when whatever percentage of repair parts they ordered for that lot of tools is gone then their gone and you'll have to find another remedy. |
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degree temps (100+ in the garage) don't really draw me out into the workshop either.