wakemeup Posted June 11, 2020 Report Share Posted June 11, 2020 I have a Hitachi C12RSH2 12" sliding compound miter saw. I was using the saw for a few days and it was cutting great. The saw sat in my locked garage with no one else entering or using. It was not dropped or knocked over, I went out to continue my project and on my first slide cut of a 2 by 6 the blade cut into the plastic table insert (See attached pic). Also it hit the rear plastic guard like piece (See attached pic). I measured the distance of the blade from a fixed point and it appears that the blade is about 1/4" shifted to the right, hence the cut into the table insert and the hitting of the guide. I went through the owners manual and can't find any way to adjust this. Anyone else experience this? Is there a way to adjust this? Any input would be greatly appreciated. Quote Link to comment Share on other sites More sharing options...
Coop Posted June 11, 2020 Report Share Posted June 11, 2020 Damn bud! I can only assume that you checked the Nut on the arbor to insure that it’s tight? Quote Link to comment Share on other sites More sharing options...
wakemeup Posted June 11, 2020 Author Report Share Posted June 11, 2020 18 minutes ago, Coop said: Damn bud! I can only assume that you checked the Nut on the arbor to insure that it’s tight? Yes, I did. Quote Link to comment Share on other sites More sharing options...
Coop Posted June 11, 2020 Report Share Posted June 11, 2020 Have you tried it at a different angle other than 90*? Quote Link to comment Share on other sites More sharing options...
Pixxture Posted June 11, 2020 Report Share Posted June 11, 2020 The numbers refer to a parts call out from ereplacementparts.com. https://www.ereplacementparts.com/hitachi-c12rsh-sliding-dual-compound-miter-saw-parts-c-7927_13297_13307.html I have the older version, C12RSH. I also didn’t see anything that would easily account for a 1/4” shift. Looks like you have already adjusted the green plastic table inserts (61, 62) as much as possible. The two parts that hold the slide pipes (149, 166) are pretty solid. It would be possible some part cracked and slid out of the hinge (173), unlikely but possible. my best guess, hope, is that you changed the blade and did not replace The inside blade washer (285, 287) When u find it please let us know what u found. Quote Link to comment Share on other sites More sharing options...
wakemeup Posted June 11, 2020 Author Report Share Posted June 11, 2020 50 minutes ago, Coop said: Have you tried it at a different angle other than 90*? No, I haven’t tried that. Maybe tomorrow If I get some time. . Quote Link to comment Share on other sites More sharing options...
wakemeup Posted June 11, 2020 Author Report Share Posted June 11, 2020 35 minutes ago, Pixxture said: The numbers refer to a parts call out from ereplacementparts.com. https://www.ereplacementparts.com/hitachi-c12rsh-sliding-dual-compound-miter-saw-parts-c-7927_13297_13307.html I have the older version, C12RSH. I also didn’t see anything that would easily account for a 1/4” shift. Looks like you have already adjusted the green plastic table inserts (61, 62) as much as possible. The two parts that hold the slide pipes (149, 166) are pretty solid. It would be possible some part cracked and slid out of the hinge (173), unlikely but possible. my best guess, hope, is that you changed the blade and did not replace The inside blade washer (285, 287) When u find it please let us know what u found. Thanks for the link to ereplacement. It actually happened with stock blade that I have never changed. The saw is almost new, barely used. I’m a low level intermediate woodworker at best. That blade you see is a brand new blade. I changed it out out of desperation and it lines up exactly like the stock one. It’s almost like it needs a spacer on the arbor. Yes, I did move the green plastic inserts. It was actually worst. On the second picture you can see how far off the blade is when you line it up with the handle that you change the cutting angle with. . Quote Link to comment Share on other sites More sharing options...
wakemeup Posted June 11, 2020 Author Report Share Posted June 11, 2020 1 hour ago, Pixxture said: The numbers refer to a parts call out from ereplacementparts.com. https://www.ereplacementparts.com/hitachi-c12rsh-sliding-dual-compound-miter-saw-parts-c-7927_13297_13307.html I have the older version, C12RSH. I also didn’t see anything that would easily account for a 1/4” shift. Looks like you have already adjusted the green plastic table inserts (61, 62) as much as possible. The two parts that hold the slide pipes (149, 166) are pretty solid. It would be possible some part cracked and slid out of the hinge (173), unlikely but possible. my best guess, hope, is that you changed the blade and did not replace The inside blade washer (285, 287) When u find it please let us know what u found. I’m thinking maybe something going on with 292 or 300. When I get some time I’ll pull the cover off and take a look. Thanks again for the link. Quote Link to comment Share on other sites More sharing options...
Tpt life Posted June 11, 2020 Report Share Posted June 11, 2020 Have you rotated the blade? Any chance it warped? This pic is from the manual. Would not hurt to check. Quote Link to comment Share on other sites More sharing options...
Mark J Posted June 11, 2020 Report Share Posted June 11, 2020 Given that it's a new purchase, I always suggest a call to the company to discuss the problem. Quote Link to comment Share on other sites More sharing options...
Popular Post drzaius Posted June 11, 2020 Popular Post Report Share Posted June 11, 2020 Given that the offset is consistent for the length of the slide travel, I'd say it is likely something is amiss with the washers on the arbor, as @Tpt life suggests. How it got that way is the mystery. If it was in my shop, I'd blame the cats, as they are a couple of evil terrorists. 3 1 Quote Link to comment Share on other sites More sharing options...
pkinneb Posted June 11, 2020 Report Share Posted June 11, 2020 4 minutes ago, drzaius said: Given that the offset is consistent for the length of the slide travel, I'd say it is likely something is amiss with the washers on the arbor, as @Tpt life suggests. That would be where I would start as well. Quote Link to comment Share on other sites More sharing options...
wakemeup Posted June 11, 2020 Author Report Share Posted June 11, 2020 I found it. There is a pressed in collar/spacer on the upper slide arm that fell out of place. In the pictures below it is freely moving on the arm but needs to be inside where I am pointing with the pic. Its held in with a 3mm hex screw. I briefly tried to get it back in from the rear but didn't have time. I think it may have to go in from the front. I also made a video so you can see the movement but couldn't attach it. The whole arm wobbles. Anyway, thanks for everyone's help. I'll post something when I get it back in place. 2 Quote Link to comment Share on other sites More sharing options...
Popular Post Tom King Posted June 11, 2020 Popular Post Report Share Posted June 11, 2020 The company should send you replacement parts for the ones that got sliced up. Looks to me like it was not properly assembled to start with. 2 1 Quote Link to comment Share on other sites More sharing options...
drzaius Posted June 11, 2020 Report Share Posted June 11, 2020 That'll do it. I guess the cats are off the hook. 1 Quote Link to comment Share on other sites More sharing options...
Mark J Posted June 11, 2020 Report Share Posted June 11, 2020 Not so fast on the cats. Someone had to loosen the set screw. 1 Quote Link to comment Share on other sites More sharing options...
pkinneb Posted June 11, 2020 Report Share Posted June 11, 2020 Wow glad you found it! I'm with Tom they need to provide some replacement parts for sure. 1 Quote Link to comment Share on other sites More sharing options...
Coop Posted June 12, 2020 Report Share Posted June 12, 2020 The collar/spacer was going to be my next suggestion. 1 Quote Link to comment Share on other sites More sharing options...
wakemeup Posted June 12, 2020 Author Report Share Posted June 12, 2020 23 hours ago, Mark J said: Not so fast on the cats. Someone had to loosen the set screw. Haha! I never knew it existed until I started looking at the arms for something. Only thing I can think of is that I was doing a lot of slide cuts on 2 x 6’s and it just came loose and/or wasn’t tightened from the factory. Quote Link to comment Share on other sites More sharing options...
Mark J Posted June 12, 2020 Report Share Posted June 12, 2020 So you're thinking it was cats at the factory? Quote Link to comment Share on other sites More sharing options...
drzaius Posted June 12, 2020 Report Share Posted June 12, 2020 1 hour ago, Mark J said: So you're thinking it was cats at the factory? That's my thought. Quote Link to comment Share on other sites More sharing options...
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