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Silvey RSII motor repair

Discussion in 'Just Chains' started by srcarr52, Feb 15, 2018.

  1. srcarr52

    srcarr52 We can't stop here, th1s is bat country!

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    @Canadian farm boy had an incident with his grinder. Not sure how, but it got dropped and broke the bottom plate of the motor and it was causing a serious misalignment of the stone in the grinder chassis. More than what could be shimmed out. I felt this was a good challenge so I had him put it in a box and send it to the states for repair.

    First up was to weld the bottom plate. Crack shown here after bead blasting.
    IMG_6601.JPG

    After welding.
    IMG_6602.JPG IMG_6603.JPG
     
  2. srcarr52

    srcarr52 We can't stop here, th1s is bat country!

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    While that was cooling I put the motor and stone arbor in the lathe and skim cut the arbor true. It took 0.005" to clean up. This should minimize the runout of the stone once it's all back together.

    IMG_6608.JPG
     
  3. srcarr52

    srcarr52 We can't stop here, th1s is bat country!

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    I had to make a mandrel to register the motor plate off the bearing bore in the lathe, then I trapped it on there with a plate and the live center. Cleaned up the welds on the OD and cut the register for the motor case until it cleaned up. The part was pretty bent and I couldn't weld it back into place any better so I had to take a bit off of the welded on section to make it flat. I switched tools and skim cut the motor mounting bosses too, this thing should be perfect now.

    IMG_6609.JPG IMG_6610.JPG
     
  4. srcarr52

    srcarr52 We can't stop here, th1s is bat country!

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    Yes, the plates are aluminum. The center section of the case is sheet steel. It looks pretty much like an HVAC motor.
     
  5. srcarr52

    srcarr52 We can't stop here, th1s is bat country!

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    The motor is assembled with new bearings and run nice and quiet. Now to address this broken light. Hmm, lots of wiring in there.

    IMG_6618.JPG
     
  6. angelo c

    angelo c Larger Member

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    My light cover looks just as crappy. I stole one from a cheap light fixture and called it done. (Until I see your fix anyway)
     
  7. srcarr52

    srcarr52 We can't stop here, th1s is bat country!

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    I bought a couple of options for a light. One was white, had a inline head and didn't have a switch on the light head so I'd have to add one in the box, but it was 110v AC direct. The other was a 90 deg head, black, looked a lot better, and had a switch on the head but was 9v DC so I would have to hide the voltage transformer in the already tight covers. Challenge accepted!

    The flex whip was also 20" long on the new light so I cut about 6" out of it and re-swedged it in it's mount.

    IMG_6619.JPG

    I pulled the transformer out of the plastic wall box, potted it with hot glue and wired it in to the switch side and ran the low volt wires back through the motor case to the light side. The transformer tucks in behind the wiring for the switch, it's tight but it all fits.

    Now I'm waiting on a new hopefully good quality power cord to replace this one with an inline splice that just wont do. The power cord I ordered looks old school as in it's a softer rubber and has reinforcement nylon cord in it instead of the full plastic coated inflexible pile so crap you get from anymore.

    IMG_6620.JPG
     
  8. RI Chevy

    RI Chevy StihlMar Runner

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    Are the lights LED or incan?
     
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  9. Philbert

    Philbert Chainsaw Enthusiast

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    You make it look easy!

    Philbert
     
  10. srcarr52

    srcarr52 We can't stop here, th1s is bat country!

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    LED, that is why it needed the 9V DC transformer. A regular bulb would have been too easy. ;)
     
  11. RI Chevy

    RI Chevy StihlMar Runner

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    I hear you. Just curious. Lol
    Real nice job with the overhaul.
     
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  12. srcarr52

    srcarr52 We can't stop here, th1s is bat country!

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    Here are the two lights I ordered, both are LED and plenty bright.

    The one I ended up using... no mention that it has a wall transformer in the description.
    Amazon item B016UIUEA6

    This one is 110V AC to the head, I'm assuming it has a transformer there. But it had a switch in the cord and looks like a swan.
    Amazon item B00W3GNL14

    And the power cord.
    Amazon item B076PG9PKZ

    Edit: Amazon links don't work, so you'll have to put the items in the search bar.
     
    Last edited: Feb 15, 2018
  13. Time's Standing Stihl

    Time's Standing Stihl Below me...

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    Nice work

    Sent from my SM-G900R4 using Tapatalk
     
  14. huskihl

    huskihl Sausage Fingers Forever

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    I think the 3 wire nuts happened in my garage at about midnight the night before my gtg. There was a bad cut in the wire and we just wanted it up and running to play with. Your upgrades look awesome
     
  15. srcarr52

    srcarr52 We can't stop here, th1s is bat country!

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    I figured it was a quick fix for a broken cord. I thought about just wiring whats left in but then the cord would have been 4' long. That wont reach anything. I'll send you guys back your wire nuts!
     
  16. Lightning Performance

    Lightning Performance Pinnacle OPE Member

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    Nice...
    Still hacking wires off of trashed vacuum cleaners myself :)
    I like the fact you "made it true" His chains will be smoooove!
     
  17. Canadian farm boy

    Canadian farm boy 10,000 "likes" and still a fart knocker.

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    @srcarr52 Wow! That looks amazing! I can't thank you enough for what you're doing. Your work is always top shelf. The grinder is gonna be better then new. I can't wait to try it out. Thank you again Shaun.
     
  18. RI Chevy

    RI Chevy StihlMar Runner

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    Really cool!
     
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  19. junkman

    junkman Crush it

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    Great thread ,is it getting the slide upgrade also ?
     
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  20. Canadian farm boy

    Canadian farm boy 10,000 "likes" and still a fart knocker.

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    Already got one of Shaun's versionII slider kits. Very very nice kit. Slides as smooth a silk.
     
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