TUBES AND FITTINGS.

TM 5-4120-369-14

5-14.

TUBES AND FITTINGS.

Check tubes and fittings for cracked or split condition, Check tubing for kinks. Replace

defective fittings. Replace damaged tubing with tubing of same size. Take care in making bends

in tubing to prevent kinking of tubing. All tubing and fitting must be completely clean on

inside prior to installation.

VALVES.

Valves and other parts should be handled carefully to prevent damage. Capillary tubes must

be handled very carefully to prevent kinking of the tubes.

REMOVAL AND INSTALLATION OF MAJOR COMPONENTS AND ASSEMBLIES.

Section IV.

GENERAL.

REFRIGERANT UNDER PRESSURE

is used in this equipment Organizational personnel

are not authorized to open the

HIGH VOLTAGE

is used in the opertion of this equipment

DEATH ON CONTACT

or severe injury may result if personnel fail to

observe safety precautions. Always disconnect

the air conditioner from power source before per-

forming maintenance on this equipment. If power

must remain on for troubleshooting, exercise

extreme care to avoid contact with any electrical

component, fan, fan motor, etc. Do not operate

the air conditioner without louvers, top controls,

and guards in place and tightly secured.

This section covers removal of all major assemblies of the air conditioner which are the

responsibility of the Direct Support and General Support maintenance. The refrigerant piping

and valves cannot be removed as a unit , and only those parts that require replacement should

be removed. (Prior to removing a component verify by test the need to replace. ) Removal

and installation instructions for individual valves and other components of the refrigeration

system are contained in this section. Refer to paragraph 5-6 after performing removal and

installation on the refrigeration system.

5-8