(4) Replace all rubber seals and gaskets each
time tube assemblies are removed.
(5) Replace valves found to be defective
through troubleshooting and testing.
(6) Replace all other parts damaged beyond
c. Installation. Install the tube assemblies and
fittings by reversing the procedures required to remove
replacement of seals and gaskets.
No major repairs on the compressors, condensers, and
(3) Install all electrical wire harnesses.
evaporators shall be performed at this maintenance
level. It, however, is the responsibility of Direct Support
(1) Refrigerant filter. This filter is located on
Maintenance to test and replace the condensers and
the bottom of the compressor motor housing and is
designed to filter the refrigerant entering the
compressors shall be performed at this level in addition
to replacement of the entire assembly.
periodically as some foreign material will accumulate
within it. The gaskets must also be replaced each time
the filter is replaced.
(1) Tag the electrical wire harnesses to facilitate
(2) Thermostatic switch.
reinstallation. Disconnect the wire harnesses.
(a) This switch assembly is located in a well
(2) Tag the tube assemblies prior to removal to
at the lower portion of the motor housing assembly. The
Disconnect all tubing that
switch assembly consists of a shield, thermostat, and an
connects to the compressor.
(3) Remove the nuts (93, fig. 6-1, sheet 2 of 6),
(b) The switch is designed to open (break
washers (94), spacers (95), and bolts (96). Remove the
compressor (97) from the mount and remove the
reaches 225 15F (107.2 9.4C). When the
spacers (98). Remove the other compressor (114, fig.
compressor housing cools down to 165 15F (73.9
3 of 6) in the same manner.
9.4 C, the switch will close again to allow the
compressor to resume operation.
(c) If the switch should fail to close after the
of 6) and the compressor (97) on the mount. After
compressor housing has cooled to the required
aligning the holes, insert bolts (96) and washers (94)
temperature, remove the switch and inspect it in
through the bottom. Replace the spacers (95) and
secure the compressor using the nuts (93) and washers
Check also for damage to the pins of the connector.
Replace a switch found to have
(2) Install the tube assemblies.
Note. Prior to installing tube assemblies, observe the
(e) Replace a switch that does not meet the
inspection, and repair of tube assemblies and fittings with the