I was seaching the web tonight and found a copy of the U.S. Army Ordnance Corps "Manual For Soviet Mosin-Nagant - Manual For Rifles & Carbines" ORDI 7-101 from May 1954 available for download and/or printing. This is Chapter 2 "Bolt Action Rifles and Carbines" of that manual. Here is the link:
http://www.globalsecurity.org/military/library/report/other/mosin.pdf
http://www.globalsecurity.org/military/library/report/other/mosin.pdf