Singer “Heavy Duty” model 4423- Oh no, not another one.Service and Revue. Watch out! (Video 162)
27:40
Singer Heavy Duty, Most In-Depth Review on the Internet. No Really, I'm Not Joking.
12:51
SINGER Heavy Duty 4423 - Erklärung und Test
37:56
How to Clean and Oil Singer Heavy Duty
11:08
SINGER HEAVY DUTY- HOW TO OIL IT YOURSELF - BECAUSE IT’S GOING TO NEED OILING ON DAY ONE (video 481)
58:22
Setting the Timing, Greasing & Oiling the Singer Heavy Duty Series Sewing Machines
21:02
Model 4411 4423 Heavy Duty Instructional DVD
11:38
Singer Heavy Duty Covers Removed and Needle Thread Tension Adjustment
4:57