Portable Flame Thrower M2-2

by United States. War Department

Fig 52. Installing parts in fuel-valve body.

(4) Slide the valve needle out of barrel; the yoke block and the lock nut may then be unscrewed from the valve needle, but adjustment (see [d] below) will be necessary when reinstalling.

c. Installation of barrel and valve-body assembly.

(1) To install valve needle, screw the yoke block and lock nut on the needle ([Fig 50]). Insert needle in valve body and barrel.

(2) Insert valve-diaphragm assembly into valve body ([Fig 51]), making sure that the yoke slips into the flat notches of yoke block.

Fig 53. Installing spring retainer in fuel-valve body.

(3) Slip the diaphragm support, washer, and cap over the yoke shaft. ([Fig 52]) Screw on the diaphragm cap by hand. Do not use a wrench. Install valve grip. ([Par 74 c])

(4) Place valve spring over end of needle and install spring retainer. ([Fig 53]) Apply wrench very lightly to tighten spring retainer.

(5) Adjust needle (see d below), and screw plug into the spring retainer.