Originally Posted by MaryLane

Ditto this.

I do take my machine apart from the bottom every 8 to 12 monthyoj!nd clean out the lint and oil and grease the spots that need it. Your sewing machine dealer is going to tell you not to do that but my husband is electronics maintenance man and I routinely pop open $100K instruments in the lab and repair them. So, I risk it. It did make me nervous initially but with the cost of a service call and two trips to the shop (one to drop off and one to pick up) I figured it takes me 4 years to break even. At this point if I kill it I am actually money ahead.