This is a pdf download, scanned from an original, of the manual for the Frister + Rossmann Lock 4 overlocker. This is the 2 +2 version It produces as what is known as a safety stitch, ie. 2 thread overlock with a 2 thread chain. Either of these can be done seperately.
We also can supply this manual as a printed hard copy which you will find on a separate listing.
It has 28 pages and postage on hard copies is free.
You can verify whether you have the correct manual for your machine by comparing it with the picture or diagram.