51. Friction Fuze, West (Reibzünder, West)

a. Description. The friction fuze, West (fig. 53) is an instantaneous chemical type. The round brass case contains a pellet of chemical compound fastened to the end of a pull wire. The space between the pull wire and the inner wall of the case is filled with a che-mical compound and is sealed at the lower end with a paper disk. The detonator is con-tained in a threaded detonator holder. The fuze is 2 7/8 inches long and 1 1/4 inches in diameter.

b. Employment. This fuze is used in improvised shell mines.

c. Functioning. A pull of 75 to 100 pounds on the pull wire drawn the pellet through the chemical compound and ignites the flash composition which, in turn, fires the detonator.

d. Installing and Arming.

(1)

Screw the fuze into the fuze well of the mine.

(2)

Attach a slack trip wire to the pull wire on the fuze.

e. Neutralizing.

(1)

Cut the slack trip wire attached to the fuze.

(2)

Unscrew the fuze by gripping the top of the brass case.

Figure 53. Friction fuze, West.