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3rd April 2010, 03:04 AM #1
Quality time in the workshop over Easter.
What can possibly draw a father and his daughter closer together than the joy of power tool repair? That’s right - nothing. To prove this, I gave my oldest daughter an old shirt to don and we spent some quality time down in the workshop getting acquainted with a bit of Swiss engineering…
Attachment 133744
This is my oldest daughter, Isla breaking down her first Bosch GST 85 PE. I found it the other day while cleaning up the workshop. I know that sounds strange – and made me stop and evaluate my tool buying addiction I can tell you – but I opened the box and found a jigsaw. I know it’s mine (it was in my workshop) and I know it came via eBay (practically all my tools do) but I can’t for the life of me remember getting a jigsaw and not overhauling it.
Attachment 133764
Anyway, as this photo from last year will attest, I don’t need another jigsaw. I just like fixing them up. And that’s just what we set about doing.
<OAttachment 133763 Attachment 133765</O
<O
As found the other day. Dirty and running a bit rough. Gearbox pretty clean - reinforcing my suspicions that a bearing is the culprit.
<O
Attachment 133745
Pressing out the arbour. An aluminium block with holes for long bolts, a big bolt with a tapered end in the middle, a brass attachment a mate lathed up for me. Pressing out the arbours in these things requires special tools because of a metal collar pressed over the spline (more detail later when pressing it back on).
Attachment 133747 Attachment 133746
All the old grease removed and the cast brushed up a bit. My daughter found the cleaning agent most interesting: not only does it remove grease and grime, but aparently any and all moisture from human hands. Guess I could have given her some gloves...
Attachment 133750
Removing the smaller bearing on the commutator. Once the arbour has been pressed out of the rear housing, removing the larger bearing is simple. It proved to be in good working order. The smaller bearing however, was rather crunchy. The surface rust on the arbour leads me to believe it might have gotten wet or was left in a moist environment... The smaller bearing got a bath in cleaning agent followed by some new grease.
Attachment 133751
Blowing any water out after a scrub with a bit of Jiff and a Brillo pad.
Attachment 133753 Attachment 133754 Attachment 133755 Attachment 133756 Attachment 133758
Replacing the arbour. Simply pressing the overhauled smaller bearing on once assured everything is lined up. Special brass press which was lathed up to pass over the spline and mate with the collar.
Attachment 133761 Attachment 133762
Everything greased up and put back together.
Needless to say, it was a wonderful bonding experience full of trials and tribulations, laughter and tears. Isla proved to be a good helper (her hands were clean enough to touch the camera) and we plan on tackling a HILTI TE 54 over Christmas.
Happy Easter!
DamienIs it wrong to be in love with a sawbench?
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3rd April 2010 03:04 AM # ADSGoogle Adsense Advertisement
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3rd April 2010, 07:42 AM #2Senior Member
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Good on you Damien. I can totally appreciate the experience. Just last week my 4yo son and I built a box together that he now uses to store all sorts of things. Very enjoyable I must say. Happy Easter to you to.
John
BTW. Nice job!
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3rd April 2010, 08:19 AM #3Skwair2rownd
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3rd April 2010, 09:51 AM #4
Great to see your daughter helping. A very special time for you.
Reality is no background music.
Cheers John
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5th April 2010, 11:23 AM #5Hewer of wood
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That's great David.
It's always interesting to see what kids will take a liking to.
Dad's and daughters doing things together is really important for those young women; mine at 20 still fondly talks about some of the things just the two of us did together.Cheers, Ern
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5th April 2010, 12:37 PM #6SENIOR MEMBER
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hi damien.
that is one cool collection of jigsaws!
but i think you will have to make room for one more.
its called the carvex and made by a well known german company.....
regards, justin.
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5th April 2010, 01:21 PM #7SENIOR MEMBER
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Are you collecting or will you also sell on ebay? I don't like selling stuff myself but my son does, so he gets the job.
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5th April 2010, 10:54 PM #8
Re. eBay:
I do sell on eBay from time to time. It's mostly a buyer's market over here so you have to buy really cheap to make it worth your while. Following example:
(Prices in Euro)
30: Good price on eBay for a 2nd hand GST 85 PE/PBE
6: Postage
2: Grease and cleaning agent
38:TOTAL
3: Time to break down, clean and rebuild in hours
70: Resell on eBay (average based on fluctuations)
- 6: eBay fees (1 Euro entry fee + 4 Euro 0 - 50 + 5% 50 - 100)
64: TOTAL
26: PROFIT
3 hours work (not including taking photos for eBay, entering in eBay, dealing with buyers, finding a carton, packaging, bring it to the post office, etc). I've got plenty of mates back in Oz who'd be chuffed to get one as a present and they're worth a lot more to me that 26 bucks. The rest I'll just hold on to meself me thinketh. Like I said, if I see one cheap I'll snap it up, but it's mainly for a few hours therapy down in the workshop.
Re. Carvex:
For those who can afford it (I am not one of them), those who can justify it (only in my dreams) and those who can write the acquisitions off commercially (nope), there seems to be Festool - and then on various other levels all beneath it, other tool brands. I'm not saying there aren't tools out there that last longer or tools out there that can't do the job as good for (far) less money, but they are simply in a league of their own. Anyone thinking of disagreeing should imagine this: You win a trolley dash in a woodworking tool shop and there are five isles. Makita | Metabo | Bosch (blue) | Fein | Festool. Now I'm a big fan of all of these brands depending on which tool, but I gotta tell ya, I know which isle I'm heading for...
DamienIs it wrong to be in love with a sawbench?
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6th April 2010, 07:03 AM #9
great effort
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6th April 2010, 05:36 PM #10SENIOR MEMBER
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Lovely post.
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15th April 2010, 07:51 PM #11Tool collector
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Great to see your daughter taking interest in this! Women can surely be as knowledgeable and independant in this field as men are. And imagine the additional advantage: the bloke with the huge luck of marrying her in the future, will have a wife understanding where the money went when purchasing power tools. But then again, he may be in for some bashing as well: "you squandered our savings on a crappy tool like that? Next time i'll accompany you to the tool store for proper advice, after we're done shopping for clothing !" Or :"since you were to lazy to hang up the new curtains and mend the drive-in pavement, i beat you to it, so you may clear out the diswasher for the next two weeks !"
Still, you may deserve a Nobel-prize for the advancement of mutual understanding in the world of shed-hogging husbands and their wives!
cheers
gerhard
gerhard
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15th April 2010, 08:38 PM #12Tool collector
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By the way, speaking of Bosch jig saws. Scintilla's 550 model was the DNA-source for all later Bosch jig saws and it was already as good as they were ever going to be. If you ever encounter a 550 on Ebay in good nick, buy it! You are the kind of guy appreciating beautiful technology when you see it, so take one of these apart and marvel, for instance, at the way they managed the counterweight drive. It is through a gear with an inner teeth ring, through which perfectly synchronised counter-rotation was achieved. I've never seen such an intricate solution in any other tool, not even in those from Fein.
cheers
gerhard
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21st April 2010, 03:13 AM #13
Nice!
I've worked with old Bosch machines that had fixed bases and cut straighter than some of the new models. Interesting as well is the top end internal blade clamp. Before the SDS solution, these jigsaws were delivered with a long flathead screwdriver. Lots of other companies still had fixing bolts on the outside of the shaft even many years later.
Your workshop must be akin to a museum Big G!Is it wrong to be in love with a sawbench?
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23rd April 2010, 03:30 AM #14Tool collector
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Hi Damien,
the machines you mentioned were probably the 1577 (top handle/Bügelgriff) or the 1578 (barrel grip/Knaufgriff). These 320 Watts machines (50 mm capacity in soft wood)were the last models with a rigid sole, allowing only 90 degree sawing, and indeed were very precise at it. I have a 1577 new in box and i treasure it. The 1578 had a regular slide on/off switch at the side (the housing was also used for grinders) and an electronics rpm-setting wheel at the back. There was a hole in the center of its guiding knob for the screwdriver. The 1577 top handle model had an on-off slider at the front right side of the handle grip and an electronics rpm slide-regulator opposite on the left. The same models were also made for Holz Her in orange and black.
The 1580 and 1581 were the first 80's Slany redesigned versions with a swiveling (or is it tilting?) sole, and also the last with a hole for a screwdriver. The GST85PE in your pics is the last generation of this model line.
Bosch patented the term "Special Direct System" for itself, first using it for an own adaptation of the Hilti TE-C hammer drill quick lock system in 1975 (Hilti already used the TE-C system on its first home built hammr drill TE 17 in 1967). More catchy phrases like "Spannen Durch System" (system aided mounting) or "Steck-Dreh-Sitzt!" ("insert-twist-secured!") were also used. The SDS-name was a collective name for several sizes.
SDS-Plus: 10 mm shank, two slots, two ball retaining grooves
SDS- 14 mm shank, two slots, two ball retaining grooves
SDS-Max: 18 mm shank, three slots, two ball retaining grooves
So it was logical that Bosch (being the owner of the quick coupling principle named SDS) also chose the SDS-name for the quick spring-loaded saw blade mounting system for its jig saws. Both SDS-Max for large hammer drills/breakers and the SDS jig saw mounting system were introduced in the mid 80's.
As for my workplace, it was in a shed behind my house. This shed is to be torn down due to house renovation and another garden design. I could indeed put up a museum and have serious plans for that. There were machines all over the house and i threw them all out into a rented storage space. There must be close to a thousand machines by now and this is no joke. Of many brands and machine types i can produce several generations in a row, which i have done on several occasions in this forum.
greetings
gerhard
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