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Jet cabinet saw re-hab #9: Disassembled the arbor

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Blog entry by Mainiac Matt posted 03-14-2013 11:26 PM 1712 reads 0 times favorited 13 comments Add to Favorites Watch
« Part 8: Amazing what you notice when you clean something Part 9 of Jet cabinet saw re-hab series Part 10: Working on the Fence »

Took the entire arbor bracket assy into work today and one of our maintenance mechanics helped me take it apart on the press.

The Spanner Nut was a peculiar piece of hardware that didn’t match up with any of the various spanner wrenches they had in their chest. So he put a torch to it and then it broke free with just a tap on a drift pin held at an angle. New mechanic, who I had never met before…very nice guy…. so I made a new friend in the process.

One bearing is “OK” the other is definitely “crunchy”.

I’ve found VXB bearings to be economical and easy to use…. so I broke the bank and ordered them at $2.35/ea :^) This is a pretty common size bearing and I hate to spend more on shipping than product, so I ordered a few extras for my next nutty professor project.

Progress = success

-- Matt -- I yam what I yam and that's all what I yam



13 comments so far

View JL7's profile

JL7

8750 posts in 3447 days


#1 posted 03-15-2013 01:07 AM

Bingo…...the crunchy bearings gotta go…..keep it going….

-- Jeff .... Minnesota, USA

View Ken90712's profile

Ken90712

17708 posts in 3671 days


#2 posted 03-15-2013 09:52 AM

So far so good. I hear ya on he bearings and shipping. I’m lucky to have a big bearing place and McMaster Carr close.

-- Ken, "Everyday above ground is a good day!"

View DIYaholic's profile

DIYaholic

19848 posts in 3157 days


#3 posted 03-15-2013 10:21 PM

Cap’n Crunch Berries = GOOD
Crunchy Bearings = BAD
Cheap replacements = (almost) PRICELESS!!!

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

View Tim Dahn's profile

Tim Dahn

1588 posts in 4047 days


#4 posted 03-15-2013 11:44 PM

Good to see you have the bearing out. I have a noisy on on my old craftman saw but unfortunately it is not available.

Anyway, good progress!

-- Good judgement comes from experience and experience comes from poor judgement.

View Mainiac Matt 's profile

Mainiac Matt

9263 posts in 2810 days


#5 posted 03-16-2013 01:32 AM

A caliper is your best friend Tim….

Most of these bearings are very standard and can be had at any of several on-line dealers (I used VXB.com).

O.D., I.D. and width (most often listed in mm) and then find a picture that looks like yours.

-- Matt -- I yam what I yam and that's all what I yam

View Tim Dahn's profile

Tim Dahn

1588 posts in 4047 days


#6 posted 03-16-2013 01:41 AM

I had the bearing out and took it to a local bearing company, they could not come up with a match. It’s an odd ball.

-- Good judgement comes from experience and experience comes from poor judgement.

View Mainiac Matt 's profile

Mainiac Matt

9263 posts in 2810 days


#7 posted 03-16-2013 01:52 AM

Bummer

-- Matt -- I yam what I yam and that's all what I yam

View NormG's profile

NormG

6441 posts in 3486 days


#8 posted 03-17-2013 01:02 AM

Sorry to hear of this

-- Norman - I never never make a mistake, I just change the design.

View PhilStLouis's profile

PhilStLouis

19 posts in 2381 days


#9 posted 03-17-2013 05:08 PM

Nice work! It looks like you have everything in proper order but pay particular attention to the spacers. I made the mistake of assuming they were identical, but one is slightly longer. I reassembled only to discover the pulley was crammed up against the arbor casting…had to take it apart and swap the spacers around.

Phil

View Mainiac Matt 's profile

Mainiac Matt

9263 posts in 2810 days


#10 posted 03-20-2013 02:29 AM

I just pressed the bearings into place and reassembled the arbor during break …… NO JOY

Something’s definitely not right :^(

Need to diagnose tonight when I have more time…. more time but no press

-- Matt -- I yam what I yam and that's all what I yam

View Mainiac Matt 's profile

Mainiac Matt

9263 posts in 2810 days


#11 posted 03-20-2013 02:31 AM

Well I pulled the arbor assembly apart again tonight and I jacked up one of the new bearings earlier today on the hydraulic press…. nice and crunchy :^(

Fortunately I purchased extra bearings, so I’ll take another crack at it in the a.m.

Apparently the press was just too much… but looking on the bright side, now I understand better how the assembly works…

-- Matt -- I yam what I yam and that's all what I yam

View Mainiac Matt 's profile

Mainiac Matt

9263 posts in 2810 days


#12 posted 03-22-2013 02:57 AM

the ways cleaned up pretty well… a bit discolored but smooth….

arbor is back together turning smooth with no slop…. HF link belts put on…

I’m 4 links shy of putting together a third belt :^(

-- Matt -- I yam what I yam and that's all what I yam

View PhilStLouis's profile

PhilStLouis

19 posts in 2381 days


#13 posted 03-23-2013 02:32 PM

Nice! Those Harbor Freight belts are a good deal. I’m sure they will go on sale at some point too and I’ll have to buy a few.

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