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Type: Posts; User: gerhard

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  1. Replies
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    Hi all, the 125 Volts working voltage bugs...

    Hi all,

    the 125 Volts working voltage bugs me. As a rule, motor capacitors are always rated at the motor's own operating voltage, to minimise damage in case of a coil set failure (partial or...
  2. Replies
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    hi all, using compressors in parallel needn't...

    hi all,

    using compressors in parallel needn't be unsafe, provided both tanks and pump systems can take the maximum pressure of the combined system. The problem of one compressor wearing quicker...
  3. Thread: Festool parts.

    by gerhard
    Replies
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    2,715

    Hi Ratbag, to sell a used refurbished spare...

    Hi Ratbag,

    to sell a used refurbished spare part without specifying this, would be odd for any brand. I have never experienced that with any spare part i ever ordered, regardless of the brand and...
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    yes, probably belt tension. Fan belts in cars...

    yes, probably belt tension. Fan belts in cars behave in the same way when they are too loose.
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    3,353

    Hi all, Kärcher quality has degraded over the...

    Hi all,

    Kärcher quality has degraded over the decades. The brand is relying on yesterday's reputation to flog ever more cheaper and simpler consumer grade products. The discovery of many vital...
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    3,311

    I use a metal detector when i'm not sure about...

    I use a metal detector when i'm not sure about nail remnants. Cheap and old or new and expensive, i hate to wreck any tool on something as trivial as that. In your case and for such jobs, i would buy...
  7. Replies
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    2,059

    Hi Nanigai, The centrifugal fan design you...

    Hi Nanigai,

    The centrifugal fan design you use is often built on a trolley, with a length of hose to be attached most likely to some stationary machine. The original hose length has probably been...
  8. Replies
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    3,233

    Hi Crowie, problem solved. I already thought i...

    Hi Crowie,
    problem solved. I already thought i saw brush caps and when i saw 4000 rpm, i was pretty sure. The shape of the plate steel motor housing looks like it houses an induction motor, but...
  9. Hi all, tracked down an exploded view of a...

    Hi all,

    tracked down an exploded view of a BTS900X on the web. Run capacitor type two pole induction motor, 2850 rpm. Ball bearings here and there. Starting relay combined with the push button...
  10. Replies
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    20,204

    Only in the past few years the battery tool line...

    Only in the past few years the battery tool line of AEG, Ridgid and Milwaukee have been virtually the same, with all their components interchangeable, including batteries. You could interchange AEG,...
  11. Hi Xgrain, from your intro i got the...

    Hi Xgrain,

    from your intro i got the impression that you treat your tools right, and in that case two of them failing so quickly after another is very odd indeed. I would first check your shop's...
  12. Replies
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    3,233

    Hi, Crowie! there are a lot of Japanese firms...

    Hi, Crowie!

    there are a lot of Japanese firms with the name of TOWA. It's almost like the generic "ACME" brand name as used in Warner Bros cartoons. But a good bet could be Towa Electric...
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    14,054

    Hi Emigor, not that i know of. I've never...

    Hi Emigor,

    not that i know of. I've never seen a 3/8"sprocket mentioned as an available spare part in Stihl catalogues. I'm not sure about OEM-manufacturers, but i doubt that they would have made...
  14. Replies
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    7,285

    Hi Ratbag, there are a lot of ring saws in...

    Hi Ratbag,

    there are a lot of ring saws in use in the industris around marble and other decorative stone. Over the years, manufactuers managed to get the rings larger in diameter and the...
  15. Replies
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    5,629

    Hi Ratbag, Yes, the Vimal 64 is a very old...

    Hi Ratbag,

    Yes, the Vimal 64 is a very old design and its use is forbidden in many parts of the world. It has a hand oiler and i’m not sure if it has a brake. But i just added this example to...
  16. Replies
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    pics of the Prinz and Vimal saws

    pics of the Prinz and Vimal saws
  17. Replies
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    5,629

    Hi Ratbag, About another topic in your...

    Hi Ratbag,

    About another topic in your interesting post. True, i was disappointed about the E220’s construction. For a price tag of almost 600 Euros i expected more than merely a bigger size of...
  18. Replies
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    Hi, another step. Found the wiring diagram of...

    Hi,

    another step. Found the wiring diagram of the Makita LS1214 saw. Same principle, by the look of it. But still not sure about the wiring of the field coils, and about the way in which either...
  19. Replies
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    Found it! Stihl patented -of course- its electric...

    Found it! Stihl patented -of course- its electric brake system, for instance in America. Over there Stihl's application received the entry as United States Patent no. 4680862, and i found this...
  20. Replies
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    5,629

    Hi Ratbag, i did a study on the Stihl type of...

    Hi Ratbag,

    i did a study on the Stihl type of electric brake over the weekend and i wish i had done so earlier. It is now clear that i was wrong in claiming that the braking action was achieved...
  21. Replies
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    Dear Mr. Indranil! Thank you very much, i'm...

    Dear Mr. Indranil!

    Thank you very much, i'm very glad that my information was useful for you. Your DW 625 will run on 55 Hz without any problems. Even the electronics will behave normally. The...
  22. Replies
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    2,012

    Hi Chris, the switch in your pics looks like...

    Hi Chris,

    the switch in your pics looks like the double pole switch that i expected to be there. The wiring seems to be straightforward as well. Blue and brown in, blue and brown out. My guess is...
  23. Replies
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    Hahaha, hi Paul ! yours is a reaction i will...

    Hahaha, hi Paul !

    yours is a reaction i will always treasure! Brilliant! The first endorsement in writing that my long yarns are not necessarily bad. Thank you very much indeed!

    best of...
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    Hi Ratbag, your guess about the electric...

    Hi Ratbag,

    your guess about the electric brake using polarity reversing is spot-on. It is one of the functions of the electronics module, which is housed inside the hind grip handle. I'm afraid...
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    Hi Chris, if the switch is of European make,...

    Hi Chris,

    if the switch is of European make, the two input terminals onto which you fasten the two leads of the mains cord, are marked "P". The other two are the output terminals for the motor...
  26. Hi all, 2 hp is a good idea. A 2800 rpm motor...

    Hi all,

    2 hp is a good idea. A 2800 rpm motor (two pole) has higher efficiency than a 1400 rpm (four pole) one, meaning that a 2 hp two pole motor needs less Amps input than a 2 hp four pole one....
  27. Replies
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    Stihl recommends starting it up while on the...

    Stihl recommends starting it up while on the ground:

    Step-by-step starting | STIHL |
  28. Replies
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    ???? what happened to the links i typed??? ...

    ???? what happened to the links i typed???

    Never mind, as an alternative, start up YouTube first, copy/paste one of the codes below into the search window and have YouTube look up the...
  29. Replies
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    15,664

    Hi all, haha, thanks for coming to the...

    Hi all,

    haha, thanks for coming to the rescue, Bradford! Berto's comment is outnumbered by the number of people wanting me to be elaborate, but in essence he's right. My texts are way too long...
  30. Hi Crowie, the Swedish firm Atlas has been a...

    Hi Crowie,

    the Swedish firm Atlas has been a big name in rock drilling for a long time. The brand was involved in the making of a lot of projects, like mining and drilling railway tunnels through...
  31. Hi Ratbag! no trepidation necessary...

    Hi Ratbag!

    no trepidation necessary whatsoever, and no begging to differ, either! Feel free to differ, i welcome it when faults in my stories are brought to light; this forum is all about useful...
  32. Replies
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    2,272

    Amazing that Australian site inspectors should...

    Amazing that Australian site inspectors should raise objections against 110 Volts tools, since these are inherently safer to use. Electrical engineers worldwide agree on this. If this objection is...
  33. Replies
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    4,892

    Hi Arry, i interpreted your question "i...

    Hi Arry,

    i interpreted your question "i bought a 2.5 HP compressor; what nailer should i buy for it?" in another way. More like "what are the largest nailers or staplers that a 2.5 HP compressor...
  34. Hi BLouis! best wishes for 2012! Thanks...

    Hi BLouis!

    best wishes for 2012!

    Thanks for the compliment, glad to have helped you. Yes, the Vishay product line offers good solutions, with plenty of choice. Great to hear that you saved...
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    Hi John, best wishes or 2012! 110 Volts...

    Hi John,

    best wishes or 2012!

    110 Volts were decided on as a maximum that was still safe. When touching a live wire in adverse circumstances (moist hands, standing on something damp or...
  36. Hi all,\ for starters: may i wish you all a...

    Hi all,\

    for starters: may i wish you all a very prosperous, healthy, accident-free and project-rich 2012 ?

    The Ergomax in the bargain looks like the real thing all right. As for "Made in...
  37. Replies
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    i added some pics to illustrate my comparison...

    i added some pics to illustrate my comparison between the Skil 77's motor and their average counterparts (as used in 7 1/4"sidewinders) of European design. While studying the picture of the Skil's...
  38. Replies
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    You're welcome, Mick! and hi Pumice, that...

    You're welcome, Mick!
    and hi Pumice,

    that the Skil and Bosch worm drive saws look like very very close relatives, is no coincidence, since Bosch owns Skil since 2003:

    Excerpt from...
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    Hi Pumica, back again on Friday Dec. 9th, as...

    Hi Pumica,

    back again on Friday Dec. 9th, as promised. The text was getting so long that i feared i might lose it when the forum connection should be broken for some reason. So i made a Word...
  40. Replies
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    Hi Pumice! Thank you very much for reading my...

    Hi Pumice!

    Thank you very much for reading my posts! I'm very honoured, i read and understood your question and i'm preparing the answer. I'll make something special out of it, but it takes a...
  41. Replies
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    61,495

    Hi Crowie, nice pics, very informative! The...

    Hi Crowie,

    nice pics, very informative! The 2310 percussion drill is a fine machine. It was one of the firm's last own drill designs. The jig saw is already outsourced, it is probably made by...
  42. Replies
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    Yes, that's probably the best advise. Taking the...

    Yes, that's probably the best advise. Taking the thing apart and finding out its connections and the true state that all the components are in, requires expertise. I must have taken more than a...
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    Hi Doug, lots of variables here, there are...

    Hi Doug,

    lots of variables here, there are many things that could cause to trip the overload switch.

    Double capacitor type induction motors were developed for acceleration under full load...
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    Hi all, i think i know the feeling, i used to...

    Hi all,

    i think i know the feeling, i used to work in a bicycle repair shop in my adolescent years (working on many mopeds and motorcycles as well) and many times i noticed a strange sort of...
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    Hi Ken, no, they are welded shut (black...

    Hi Ken,

    no, they are welded shut (black knurled body onto toothed ring), so when you see one in pieces, it's definitely broken. A chuck can become stuck by internal soiling, but you can flush...
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    3,707

    Hi Errol, it doesn't look like a one-off or...

    Hi Errol,

    it doesn't look like a one-off or some other private initiative custom job. The frame casting looks like it's factory made all right, so you have a rare machine from a limited series,...
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    Hi Wellhandyman, in case you already know the...

    Hi Wellhandyman,

    in case you already know the story underneath (as most handymen undoubtedly do), please consider it unwritten, because i wouldn't want to insult you by lecturing you in any way....
  48. Seconds before sending in this post, i saw that...

    Seconds before sending in this post, i saw that you already found the solution, but i decided to send it anyway. Maybe others may benefit from it, too.

    So, yes indeed, there is a hole on top of...
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    Forgot to add: this particular saw was made in...

    Forgot to add: this particular saw was made in 1979 (most markings inside the machine indicate March specifically).
  50. Replies
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    Hi all, after a hectic working week, i...

    Hi all,

    after a hectic working week, i decided last weekend to take the Wolf saw apart i bought a year ago, and restore it. Tinkering with tools temporarily frees the brain for me, like...
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