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How to adjust a starrett digi-check 258. it is about .003 out in its current state. have a wrench which appears to be used on the spindle from the back.

Posted by brian gauthier on

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2 Related Answers

Anonymous

  • 3 Answers

SOURCE: checking level accuracy

You do not need to replace it. If it does not read the same when you reverse it, on one end there are a nut over and under the tube and plug assembly. Adjust those up or down until it reads the same.

Starrett Tech Support

Posted on May 15, 2009

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charles urban

  • 436 Answers

SOURCE: 3"-4" Starrett 436 micrometer: When spindle

do you still have the locknut wrench? you need to loosen the spindle. if not try an industrial supply store to get wrench.


hope this helps

thanks

Posted on Mar 25, 2011

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1answer

Starrett repair

I these punches are adjustable. Does the top turn or the bottom part turn. I use WD 40 or the likes to loosen mine up.
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Bottom Bracket & Spindle Replacement of LeMond RevMaster

Part 1 Video Discussing the Dis-assembly & Inspection of the Bottom Bracket & Spindle for a LeMond RevMaster Bike

  • This Part 1 video will demonstrate how to inspect and adjust or remove and replace the bottom bracket and spindle on your Lemond Revmaster
  • Tools needed for this procedure:
    • 8mm Allen Wrench or Socket
    • Cotterless Crank Puller Tool
    • Lock Ring Removal Tool
    • Bottom Bracket Tool
    • Phillips Screwdriver
    • 4mm Allen Wrench
    • Bungee (optional)
    • Rubber Mallet
    • 7/8" Wrench
  • To begin remove the belt cover, there are four screws
    • You will need a 4MM Allen wrench
  • Now remove the two screws on the back from the opposite side of the bike
    • You will need a Phillips screwdriver
  • Now position the crank arm as seen in the video and remove the belt cover from the bike
  • Before removing the drive belt, tighten the brake assembly so that the flywheel is locked in place and loosen the torque on both bolts using an 8mm Allen wrench or socket
    • Do not remove them at this time only loosen them by a half a turn or so
  • Using a 7/8" wrench loosen the belt idler
  • Now use a 4mm Allen wrench to loosen the tension adjustment bolt completely, but do not remove it from the frame
  • Now remove the drive belt
    • To aid in this process you can use a bungee to slide in behind the belt at the top, as shown in the video
  • Then pull away from the bike while spinning the crank arms
  • Now remove both crank bolts with a 8MM Allen wrench or socket
    • Removal of the crank bolt on the left side of the bike is the same as removal from the right side
  • Now remove the crank arms with a crank arm puller, threading the outer portion into the crank arm as shown in the video
    • Be sure to thread the outer portion in as far as possible to prevent damage to the crank arm threads or the tools threads
    • Use a 7/8" wrench to make sure the outer portion is threaded in completely
    • Now spin the handle clockwise to press the crank arm off of the bike
    • Be careful when the crank arm comes off as if you are not holding it, it can fall in the floor
    • Also use the wrench to loosen the tool before removing the crank arm from the unit
    • Now you can unthread the tool from the cranks arm by hand after removing the crank arm from the bike
  • Next inspect the bottom bracket cups for looseness, to do this use the bottom bracket tool by hand to see if you can turn either of the bearing cups
    • To further verify the adjustment of your bottom bracket use a rubber mallet to tap lightly on each side of the spindle to check for movement from side to side, if you have movement, or one or both of the bearing cups is loose, you need to re-adjust the bottom bracket. If you are only inspecting the bottom bracket and did not find any need for adjustment you would re-assemble the bike at this point
  • Once the crank arms are removed look closely at the spindle
    • It should have defined edges and be smooth
  • As you can see by the video our spindle needs to be replaced
  • Next you will need to remove the lock ring
    • The lock ring is around the bottom bracket cup on the left side of the bike
      • In the video is an example of a lock ring
    • To use the lock ring tool you slip it over the lock ring using the three notches and torque the lock ring in the proper direction
      • This one needs to be turned counter-clockwise to loosen
    • Then remove the lock ring by spinning it off the bearing cup
  • Next you will need to use the bottom bracket tool to remove the bottom bracket cups
    • Begin with the left side
      • Slip the tool into the splines of the cup and loosen
        • For stubborn bottom brackets use a 5/16"-24 x 2" bolt and some washers with a 1-1/4" wrench
          • Slip the tool into the splines and thread the bolt with the washers into the spindle
          • Get it snug but not completely tight
      • Now use the wrench to turn the cup counter-clockwise for the left side and remove it completely
    • Remove the cup from the right side now
      • Slip the bottom bracket tool into the splines of the cup and turn it clockwise to loosen
        • For stubborn bottom brackets use a 5/16"-24 x 2" bolt and some washers with a 1-1/4" wrench
          • Slip the tool into the splines and thread the bolt with the washers into the spindle
    • If you cannot get the cups loose with this method try turning the bike on its side to get better leverage as shown in the video
  • This concludes the dis-assembly and inspection procedure of the LeMond RevMaster bottom bracket & spindle
  • Click here to see Part 2, re-assembly and installation to complete the replacement procedure
Video of Bottom Bracket and Spindle Replacement Part 1 Dis assembly LeMond...
0helpful
1answer

3"-4" Starrett 436 micrometer: When spindle

do you still have the locknut wrench? you need to loosen the spindle. if not try an industrial supply store to get wrench.


hope this helps

thanks
0helpful
1answer

How do I calibrate a Starrett model 449 depth micrometer?

Try the starrett web site. You can chat with them there about it. The adjustments are fair easy to do.
http://www.mytoolstore.com/starrett/micro029.html
0helpful
1answer

I lost my owner's manual and need to know how to reset the micrometer to zero

This is based on an old Brown & Sharp guide book. 1. Carefully clean the measuring surface by pulling a piece of soft paper between the surfaces while the anvil and spindle are in light contact with it. 2. with the anvil and spindle apart, unlock cap with spanner wrench (supplied with unit), then tighten cap lightly with fingers to bring slight tension between thimble and spindle. 3. Bring anvil and spindle together by turning SPINDLE and set zero line on thimble to coincide with line on barrel. 4. Move spindle away from anvil by turning SPINDLE, NOT by turning thimble. 5. Holding thimble only, tighten cap with fingers. Do Not Touch Frame. Lock cap with wrench, still holding thimble only, and adjustment is complete. NOTE: Check zero setting after adjustment is made. Hope this helps
3helpful
1answer

Hi. I just received a Starrett 98Z12 machinist

Sit level on near level surface. Observe bubble position. Turn level end for end. Does bubble sit at same position? If not adjust screw untill they match. Test, adjust and so on.
0helpful
1answer

I need help on how to replace bit on router craftsman style

You didn't state the model number. The older Craftsmen routers had a red lever lock on the top of the router, one position allows the spindle to turn, the other position locks the spindle. Here's the instruction for the older style routers:

  1. Unplug the tool.
  2. To lock the spindle press the red button in and slide it to the locked position.
  3. Unlock the height adjustment knob.
  4. Raise the router motor using the height adjustment collar until you can get a wrench onto the collet nut.
  5. Loosen the nut until it turns freely.
  6. The bit may still be locked in the spindle, tap it gently (not on the blade!).
  7. The bit will come loose in the spindle and can be removed.
  8. Replace the bit, tighten the nut snug but don't use excessive force.
  9. Unlock the spindle, returning the red lever/button to the free position.
  10. Adjust the height of the bit as you wish, then lock down the motor using the locking knob.


0helpful
2answers

Micrometers out of calibration

Micrometers must be calibrated at 4 spots around the barrel and at zero and full scale to be truly accurate. You will have to send it to a calibration lab or back to Starrett for a full calibration because they will check it with gauge blocks of known length and verify the spindle and anvil surface flatness.

If you are only concerned with the zero and not as much about the full accuracy of the tool, then you can reset the zero yourself. With the mic fully closed (spindle and anvil touching), turn the barrel with the funky, half circle shaped wrench that came with the mic in the box. There is a little hole in the barrel where the nub on the wrench will fit then you just turn it until it reads zero. Good luck.
2helpful
2answers

Checking level accuracy

You do not need to replace it. If it does not read the same when you reverse it, on one end there are a nut over and under the tube and plug assembly. Adjust those up or down until it reads the same.

Starrett Tech Support
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