Identification, Demolition Kit, M180

TM 9-1375-213-12-1

Shaped ChargeInert

has a larger diameter than the other legs and its

Charge, Demolition, Shaped, Practice: M2A3

two sections are not joined together by a wire.

Lot HM1-79

The lower section of the launch leg has an align-

WarheadInert

ing pin which fits into a notch in the upper section

Warhead for Demolition Kit, Cratering, Practice:

to assure proper alignment of components. A

M270

base, located on the bottom of the launch leg, pre-

Lot 167151

Mfr Date 1078

vents the leg from digging into the earth thus

Rocket MotorInert

assuring the proper standoff distance for the

Rocket Motor for Demolition Kit, Practice: M270

shaped charge.

Lot 6970-001

10-78

The firing device has the following markings in

1-4. Identification, Demolition Kit, M180

raised letters:

Firing Device, Electrical, M57

The major components are olive drab with yellow

The firing device has markings, such as the follow-

markings. The tripod assembly and demolition

ing, stamped in black ink:

circuit have no markings. The following are ex-

Lot No. JLP 1-Z

amples of yellow markings on the shaped charge,

Date of Mfr 3-76

warhead and rocket motor

The demolition circuit wooden subpack has the fol-

Shaped Charge

lowing markings stenciled in black ink:

Charge, Demolition, Shaped, 15-lb (6.75 kilo-

Circuit Demolition (Inert)

grams), M2A4

Comp B

Lot HM1-79

1-6. Functioning

Loaded 10-78

Warhead

a. Demolition Kit, M180. A 50-cap blasting ma-

Warhead for Demolition Kit, Cratering M180

chine is used to fire the kit. Current generated by

Lot 167151

the machine simultaneously ignites the M2 squibs

High Explosive

40 lbs (18 kilograms) -

and the delay-type electric blasting cap in the

Type H-6

rocket. The squibs ignite the propellant grain

Loaded 10-78

Lot PA-57380

which causes the rocket motor to build thrust un-

Rocket Motor

til the shear strength of the attaching hardware

Rocket Motor for Demolition Kit, Cratering: M180

is exceeded. When this occurs, the entire assem-

Loaded 12-78

Lot 6970-001

bly, rocket motor and warhead, moves toward the

firing device. On impact, the cover and the fir-

+130 F

40 F to

Firing Temp Limits:

ing device handle are crushed, current is then

(40 C to +54 C)

generated by the firing device which causes ini -

Storage Temp Limits: 40 F to + 140 F

tiation of the following demolition circuit com-

( 40 C to +60 C)

ponents in sequence: M6 electric blasting cap,

Prop Lot PA-57704

Mfr Date 10-78

detonating cord and M7 nonelectric blasting cap.

The firing device has the following markings in

The M7 nonelectric cap initiates the shaped

raised letters.

charge which blasts a pilot hole in the surface.

As the hole is being created, the rocket motor

Firing Device, Electrical, M57

propels the warhead through the hole. The

The firing device has markings, such as the follow-

delay-type blasting cap initiates the tetryl

ing, stamed in black ink.

lead which detonates the booster that detonates

Lot No. JLP 1-Z

the warhead. Detonation of the warhead completes

Date of Mfr 3-76

the cratering action of the kit.

the demolition circuit wooden subpack has the fol-

lowing markings stenciled in black ink.

b. Demolition Kit, M270. The training M270

M180 DEMO

Demolition Kit is completely inert and therefore

CIRCUIT ASSEMBLY

nonfunctional.

TOP

NOTE

Resistors are incorporated in the training

1-5. Identification, Demolition Kit, M270

kit's firing circuit to electrically simulate

The major components are blue with white mark-

the squibs and cap used in the tactical

ings. The following are examples of white mark-

kit's firing circuit. The training firing cir-

ings on the inert, shaped charge, warhead and

cuit can be checked in the manner as the

rocket motor.

tactical firing circuit.

1-10

Change 2