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 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.
REFRIGERANT UNDER PRESSURE
is used in this equipment Organizational personnel
are not authorized to open the
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.