Hitachi TR12 sticking last ~2 inches - Router Forums
 
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post #1 of 10 (permalink) Old 02-27-2011, 10:07 PM Thread Starter
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Default Hitachi TR12 sticking last ~2 inches

Hi everybody - Great forum, already learned a lot... Here's another one that you guys may have dealt with before... I was given a TR12 that seems in good condition except it sticks when plunging all the way down. The posts were looking clean but bone dry so I added a bit of Triflow, it helps a bit but still not quite usable. I'm speculating that the router was stored in its box for many years with the plunge lock set, and this may have warped that particular post (?)

I thought I'd ask for suggestions before I start taking it apart... any advice?

Thanks!

H.
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post #2 of 10 (permalink) Old 02-28-2011, 07:09 AM
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Hi everybody - Great forum, already learned a lot... Here's another one that you guys may have dealt with before... I was given a TR12 that seems in good condition except it sticks when plunging all the way down. The posts were looking clean but bone dry so I added a bit of Triflow, it helps a bit but still not quite usable. I'm speculating that the router was stored in its box for many years with the plunge lock set, and this may have warped that particular post (?)

I thought I'd ask for suggestions before I start taking it apart... any advice?

Thanks!

H.
Hi Hugh:

I have the M12V and to take _it_ off the posts is real simple. There is a threaded rod with two spin nuts to stop the router from sliding off the posts. Just unthread these two spin nuts and carefully lift it off the columns. When you take it apart, there will be a little brass stub that will fall out. Don't lose it and don't forget to put it back. That's your plunge lock. I take mine apart on a cafeteria serving tray to be sure I don't loose that little part. It's only 1/4" dia x 1/4" long. Wash thoroughly the columns scouring them with one of those nylon kitchen scouring pads so it is perfectly clean and dry. A light waxing with paste wax or some Boeshield T9 on the column to finish the job. Before reassembling you should also check to be sure the column is true. My tools are stored in a slightly heated workshop so I'm doing this frequently.

Yours' might be just as simple. Besides depending on your environment, it may be a routine maintenance job. Worth learning at the beginning rather than in the middle of an operation and ruin a workpiece.

Allthunbs
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post #3 of 10 (permalink) Old 02-28-2011, 10:20 AM
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All routers require the occasional strip and clean, this link takes you to an exploded diagram and parts list for the TR12.

Hitachi TR12 parts breakdown on ToolPartsDirect.com

Harry



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post #4 of 10 (permalink) Old 02-28-2011, 09:36 PM Thread Starter
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Thank you both, I'll give it a shot!

H.
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post #5 of 10 (permalink) Old 03-06-2011, 10:14 PM Thread Starter
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It was indeed a piece of cake. Found a scratch from an old injury, sanded down, done. Thanks again!

H.
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post #6 of 10 (permalink) Old 03-07-2011, 12:51 AM
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Hi everybody - Great forum, already learned a lot...
G’day Hugh

Belated welcome to the router forum.

Thank you for joining us

Glad to see we were able to help

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post #7 of 10 (permalink) Old 12-24-2012, 11:21 AM
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All routers require the occasional strip and clean, this link takes you to an exploded diagram and parts list for the TR12.

Hitachi TR12 parts breakdown on ToolPartsDirect.com
Does anyone have information on cleaning the plunge posts for the Craftsman 2hp softstart?

Galatians 5:13
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post #8 of 10 (permalink) Old 12-24-2012, 11:33 AM
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125 to 145 lbs. psi of air from your air hose will do the job just fine..

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Does anyone have information on cleaning the plunge posts for the Craftsman 2hp softstart?



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post #9 of 10 (permalink) Old 12-24-2012, 01:06 PM
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Thank you Bob and Merry Christmas to you and yours.

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post #10 of 10 (permalink) Old 12-24-2012, 01:12 PM
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Thank you Jim and Merry Christmas to you and yours

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Thank you Bob and Merry Christmas to you and yours.



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