Place test fixture (14) on bench and add test weights (15) until a minimum load 2.7 kg (6lb) is reached.
Charge weapon and place safety (7) to "F" position.
Hold machine gun (16) in vertical position. Hook end of test fixture (14) over trigger (8) and slowly raise machine gun (16) in a line parallel to the barrel bore (17) until test weights (15) are suspended. The bolt assembly (18) should not move forward to firing position.
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