TM 9-1375-213-12
check assembly. Disassemble and reset
are bent, straighten and press them together with
switch as necessary e(2).
pliers.
(i) Assure safety pin is in place, but can easily be
(b) Obtain a piece of wood or some other suit-
removed. DO NOT REMOVE SAFETY PIN. Remove
able object to act as a (pressure) release plate, min 2 lb
square-head pin. Again check safety pin to assure fir-
(see step (g) below).
ing pin was not released.
(c) Secure switch to a
fixed object with nails or
screws.
WARNING
(d) Secure blasting cap or time fuse into coup-
All personnel but the prime installer (opera-
tor) should be evacuated from the area prior
(e) Assure safety pin is in place. Screw coupling
to pulling the safety pin.
body into switch.
(j) Using a lanyard (length of wire or cord) to re-
NOTE
move safety pin take cover and pull the safety pin.
Removal of the safety pin is the final step in
Leave the area.
all operating modes. If the safety pin in in-
(3) Pressure release (fig. 2-41). In this mode of
advertently removed prior to step (g), stop
a load that is placed on the sear plate is removed. The
dures (e).
switch setting instsructions are as follows:
(f) Attach charge, etc. to coupling body as de-
(a) Assure both round and square-head pivot
sired.
pins are in place. Check components to assure there
are no obvious defects. Check safety pin for ease of re-
WARNING
moval. Assure legs of safety pin are straight. If legs
The weight of the (pressure) release plate
Change 5