CHAPTER 3 MAINTENANCE INSTRUCTIONS - TM-3-1040-221-120034

CHAPTER 3

MAINTENANCE INSTRUCTIONS

Section I. OPERATOR'S MAINTENANCE

27.

General

WARNING

Do not use kerosene, fuel oil, or

Keep the M27 service kit components in the packing

gasoline on interiors of the pressure

chest when not in use. Make sure that all threaded

regulator,

cylinder

valves,

components contain the plastic thread protectors.

cylinders

because

pressurized

conditions can cause an explosion.

28.

Cleaning

Clean all M27 service kit components and equipment.

WARNING

Give particular attention to connections. Clean the kit

components and equipment with a clean cloth after the

To prevent any irritation, all parts of

kit has been used to fill equipment with fuel. If thickened

fuel has been used to fill equipment, pour gasoline

the body that come in contact with

through the fuel hose to remove any thickened fuel.

gasoline or a flame fuel must be

washed with soap and water.

Section II. ORGANIZATIONAL MAINTENANCE

a. Filling Line Assembly. Put antiseize compound

29.

General

(Federal Specification TFA-580) on the male ends of one

of the metal hose assemblies (24, fig. 2). Screw the

Check the contents of the kit (para 3) for condition and

ends of the metal hose assembly into the straight cross

completeness.

The kit's components are shipped

adapter assemblies (23).

assembled, except for the filling line assembly, fuel

b. Fuel Transfer Cap. Screw the brass coupling (4,

transfer cap, and pressure regulator, which must be

fig. 4) that is on the end of the copper tube (5) onto the

assembled before use.

Wrenchtighten threaded

male tube fitting (3)

connections.

c. Pressure Regulator. Screw the adjusting screw

(11) into the pressure regulator (10).

30.

Removal of Preservatives

32.

Inspection

Remove all preservative compounds, barrier material,

and tape from the kit's components. Use cleaning

Visually inspect the kit's components for physical

solvent (Type I, regular, Federal Specification O-T-620)

damage, such as cracks in hoses, broken lenses on

to remove preservative compounds.

Leave plastic

gages, and damaged threads. Replace damaged or

thread protectors in place until the equipment is used.

defective parts (SC 1040-94-CL E02).

Test high-

Put protectors back on the threads after use

pressure hoses, 6-foot rubber hose, and charging hose

(replacement thread protectors are not available).

assembly in accordance with TB 742-93-1.

31.

Assembly

CAUTION

Do not apply antiseize compound on

female threads, because it may enter

the lines.