CHAPTER 4 ORGANIZATIONAL MAINTENANCE INSTRUCTIONS

C 1, TM 3-1040-214-12

CHAPTER 4

ORGANIZATIONAL MAINTENANCE INSTRUCTIONS

Section I. SERVICE UPON RECEIPT OF MATERIEL

be performed according to TM 3-1040-251-15.

4-1. General

The M3 disperser is shipped in a packing chest (Fig.

4-4. Testing-Hose Assembly

4-1). The chest contains the tank group, hose group,

gun group, accessories, and repair parts.

The hose assembly will not be subjected to either a

hydrostatic or volumetric test. The hose assembly used

4-2. Unpacking and Inspecting

with the M3 disperser must be painted on both ends

(para 4-18b).

Unpack the M3 disperser as follows:

a. Cut the steel strapping. If the lid is secure d to

NOTE

the packing chest with screws, remove screws.

Manufacturing dates and depot

b. Unlock the hasps at the front ends of the

maintenance

issue

dates

are

packing chest. Remove the contents from the packing

stamped on the hose assembly

chest.

couplings.

These

dates

are

c. Inspect to make sure that

the

following

significant only when the hose

assembly

used

with

the

equipment is present and serviceable:

flamethrowers. These dates have no

(1) Tank group (fig. 1-4).

meaning when the hose assembly is

used with the M3 disperser.

(2) Hose group (fig. 1-3).

(3) Gun group (fig. 1-3).

4-5. Assembling Gun Group and Hose Group

(4) Repair parts (fig. 4-2).

(5) Rubber gloves (two pairs) (not shown in a

a. Gun Group.

figure).

(1) Moisten the connector (step A, fig. 4-3).

Insert the connector into the rubber tube. The end of the

4-3. Testing-Agent Tanks and Pressure Tanks

rubber tube should meet the shoulder on the connector

(step B).

The hydrostatic and volumetric testing will be performed

(2) With the right hand, depress the trigger

by general support maintenance on the following

safety and squeeze the trigger (step B).

equipment at the intervals specified below.

(3) Slide the rubber tube into the valve

section until the connector is seated in the valve body.

a. Agent Tanks. Agent tanks shall be subjected to

hydrostatic test at least once every 4 years. The date

(4) With the trigger depressed, pull and

the test is performed will be either stenciled on the item

stretch the other end of the hose and remove the slack

or stamped on an aluminum strip attached to the agent

in the hose. While the hose is under tension, release the

tanks. Test procedures will be performed in accordance

trigger. Release the rubber tube.

with TM 3-1040-251-15.

(5) Loosen the setscrews on the collar and

b. Pressure Tank. The air pressure tank shall be

remove the collar (step C).

subjected to a hydrostatic-volumetric test at least once

(6) Slide the barrel section (step C) on the

every 4 years. The date the test is performed will be

loose end of the rubber tube. Engage the key on

either stenciled on the item or stamped on an aluminum

strip attached to the pressure tank. Test procedures will

4-1