Singer Heavy Duty Covers Removed and Needle Thread Tension Adjustment
58:22
Setting the Timing, Greasing & Oiling the Singer Heavy Duty Series Sewing Machines
12:01
Solving Threading Problems and other Issues
27:40
Singer Heavy Duty, Most In-Depth Review on the Internet. No Really, I'm Not Joking.
10:41
Singer Heavy Duty - How To Remove The Top
10:47
Singer Heavy Duty - Adjusting Bobbin Tension, Please read the Description before posting questions.
10:41
Singer “Heavy Duty” model 4423- Oh no, not another one.Service and Revue. Watch out! (Video 162)
1:14:46
Singer Heavy Duty Sewing Machine: How to - Full Service, Thread and Use Guide
17:36