Maintain an M240B Machine Gun Exercises
Assemble the M240B Machine Gun Exercise
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&pageText=Now you are ready to assemble the M240B machine gun. The six steps for assembling the M240B machine gun are on the screen. Determine the correct order of these steps, and indicate your answers by dragging the numbers 1 through 6 and dropping them next to the appropriate step. When you have finished, click the Done button.& &feedback=Your answers have been recorded.
Click the Next button to continue.& &label1=Insert gas regulator plug into gas hole bushing. Replace gas collar, and rotate to lock in place. Replace heat shield. Insert barrel assembly into receiver socket while aligning gas regulator. Seat barrel in socket and rotate carrying handle downward to lock in place.& &label2=Position feed tray so its guides align with receiver brackets. Position cover assembly so its mounting holes align with receiver brackets. Close cover assembly and insert spring pin into mounting holes.& &label3=Insert holding notch on trigger housing into forward recess on receiver bottom. Rotate rear of trigger housing up so its holes align with receiver bracket. Insert spring pin through holes.& &label4=Extend bolt and operating rod assembly and insert into receiver with bolt upward, ensuring bolt rides on receiver rails. Push assembly into receiver. Pull trigger to allow sear to drop and the bolt and operating rod assembly to slide all the way in. Close and latch cover.& &label5=Insert driving spring rod assembly into receiver, all the way forward against the recess in rear of operating rod. Push in and lower driving spring rod assembly to engage retaining stud into hole in bottom of receiver.& &label6=Position the butt stock’s bottom recess grooves onto top of receiver recess grooves. Slide butt stock down and lock in place. Ensure top of buffer is flush with top of receiver.&