Jay-J Posted February 3, 2017 Report Share Posted February 3, 2017 I have a 10 year old 3 1/4 hp Hitachi m12v router than has taken a crap in me. I changed the brushes on it about 2 years ago but recently I tried using it and it was having a slight burning smell. Also, it doesn't run or sound smoothly anymore. I did buy the newer M12ve router which I just got yesterday. I was wondering if the bearings are shot on the old router. I don't have any experience taking apart a router. Is this a project I can take on? Would it be difficult? Anyone ever change out bearings on a router before? Unfortunately there really isn't any instruction on the internet to change bearings on routers. thanks.. Quote Link to comment Share on other sites More sharing options...
ChrisK Posted February 3, 2017 Report Share Posted February 3, 2017 3 hours ago, Jay-J said: I have a 10 year old 3 1/4 hp Hitachi m12v router than has taken a crap in me. I changed the brushes on it about 2 years ago but recently I tried using it and it was having a slight burning smell. Also, it doesn't run or sound smoothly anymore. I did buy the newer M12ve router which I just got yesterday. I was wondering if the bearings are shot on the old router. I don't have any experience taking apart a router. Is this a project I can take on? Would it be difficult? Anyone ever change out bearings on a router before? Unfortunately there really isn't any instruction on the internet to change bearings on routers. thanks.. Try this Jay... parts breakdown too... http://www.ereplacementparts.com/hitachi-m12v-1234-router-314-15amp-electronic-variable-speed-parts-c-7927_13365_15604.html Quote Link to comment Share on other sites More sharing options...
force10tools Posted February 5, 2017 Report Share Posted February 5, 2017 The old M12v is a dream to work on. They're built simple and heavy. A couple things to check though, occasionally the top bearing seizes and spins the outer race, this heats up and melts the casing, later M12v models had a metal insert in the housing, this doesn't allow that to happen. Also, be sure to fit metal shielded c3 bearings, rubber sealed ones just don't handle the speed. Personally I prefer skf explorers. Good luckMattSent from my E5823 using Tapatalk Quote Link to comment Share on other sites More sharing options...
Jay-J Posted February 11, 2017 Author Report Share Posted February 11, 2017 Well earlier this week I ordered the replacement bearing. Thanks ChrisK for Hitachi diagram.. I was able to take apart the router pretty easily. The top bearing was fine; it was the bottom bearing that seized. I expect new bottom bearing to be shipped mid week. I let you know how it runs ( if I can remember how to put it back together!!) 1 Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.