Model #38515208400 Kenmore mechanical sewing machines

  • Rear Cover Unit
    3 Results
  • Presser Bar Base Plate Unit
    3 Results
  • Needle Bar Supporter Unit
    3 Results
  • Upper Shaft Unit
    3 Results
  • Zigzag Mechanism Unit
    3 Results
  • Shuttle Race Body Unit
    3 Results
  • Feed Rack Shaft Unit
    3 Results
  • Motor/timing Belt
    3 Results
  • Accessory Set
    3 Results

Error Codes

Error Code:



Question and Answers


Is there an adaptor to put machine into a sewing cabinet? 38515208400 Kenmore Sewing machine


Page 2 of your owner's manual shows how to install that model of sewing machine into a compatible sewing machine cabinet. The sewing machine should not need an adapter when installed in a cabinet.

I hope that this information helps. If you need further assistance, let us know.

Thanks for choosing Sears PartsDirect.

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Lyle W -
Sears Technician
April 15, 2015

Kenmore Mechanical Sewing Thread tension?


Thank you for your question.

Getting the upper and lower tensions balanced can sometimes be a challenge. But a few basic checks will sometimes find what the problem is.

If you have not already done so, replace the needle as a first step to insure we are eliminating all possible causes.

• First we need to check the bobbin case for proper tension set up.

• I would first suggest that you run a thin piece of dental floss through the tension area of the bobbin case to clean out any possible thread or lint build up. Some times you may have to remove the very small screw to take the thread tension spring off to clean underneath for any lint build up. (Be careful to not loose the screw). Even the smallest piece of lint can cause a tension problem.

• The bottom tension as you know has an adjustment screw. Getting the proper tension is achieved by putting in the bobbin with thread so the thread is coming down from the right of the bobbin in the case as you looking at the open face of the bobbin case.

• When you pull the thread tail, the bobbin will turn clockwise. The tension is properly set when you hold the tail of the thread and let the bobbin case with the thread in it like a yo-yo and dip your hand down and pull back up and the weight of the bobbin case should let out about 2 -3 inches of thread and then stop. You can adjust to get that effect by adjusting the tension screw.

• Once we have this done, the bobbin tension base line is set, and the rest of the tension balance is controlled by the upper tension.

• Make sure there is not lint build up in the bottom of the bobbin case before putting the bobbin in. And also check the shuttle case were the bobbin snaps into for any lint build-up. Also remove the shuttle hook and examine for any needle strikes. If you find any, use an emery board to remove.

• Next check the needle plate hole to see if there is are needle marks in the plate. If there are any, you may have to use a trimmed emery board to go in the needle hole of the needle plate to remove any and all needle strikes or grooves. If it has deep grooves you may need to replace the needle plate.

• Now let’s go to the top thread path and tension. Though it sounds like this area is ok from your question details.

• Re-thread the top, making sure you have the thread threw the upper tensions disc’s and down threw the take up spring, up and around the take up lever and down threw the thread guides and into the needle.

• Use a piece test cloth and set the machine to wide zigzag and #3 stitch length.

• Test sew and adjust the upper tensions to so the top and bottom thread dots are the only thing visible on the needle holes and the threads are not being pull threw to the opposite sides. Then ck the sewing with a straight stitch setting.

• If this does not get the machine sewing to your satisfaction you may need to have the machine checked by a Sewing machine technician.

If you do not feel confident repairing this problem yourself, then you can have it repaired by a Sears technician. Here is a link that will provide the nearest drop-off locations: Sears Home Services .

I hope this will help.

Thank you for using Manage My Life.

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Sam A -
Sears Technician
September 27, 2010

Recommended maintenance parts & accessories

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