I hope this helps anyone that is having any issues w/ the following industrial sewing machines.
Singer Models:
112W116 (FSN 3530-171-2123)
131W113 (FSN 3530-222-3422)
7-33 (FSN 3530-171-1730)
97-10 (FSN 3530-171-2095)
17W15 (FSN 3530-288-5936)
55-5 (FSN-222-3428)
111W155 (FSN 3530-359-8856)
Department of The Army - FREE E-BOOK on Organization & Field Maintenance on the Industrial Models listed above.
https://books.google.com.au/books?id=jCUYAAAAYAAJ&printsec=frontcover&source=gbs_ge_summary_r&hl=en#v=onepage&q&f=false
Hope I helped someone in the need I was in!!
Best,
Jodi
