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TM 5-4120-361-14
the wire back from the components about
two inches and cover ends to outside of
harness with electrical tape or plastic
clamps.
4-33.
High Pressure Cutout Switch and
Low Pressure Cutout Switch.
a.
General.
The high pressure cut-
out (HPCO) switch prevents the com-
pressor from operating if the discharge
pressure exceeds 445 ±10 psig.
The low
pressure cutout (LPCO) switch prevents
the compressor from operating if the suc-
tion pressure drops below 15 ±5 psig.
Each is reset manually.
Inspect and
test the HPCO and LPCO switches if the
compressor fails to operate after the
switch is reset.
b.
Inspection.
—
(1) Refer to figure 4-20 and re-
move the access cover.
(2) Inspect for broken or damaged
wire leads and kinked or broken capil-
lary tubes.
c.
Testing. (See WARNING inside
front cover.
Figure 4-19.
Thermostatic switch removal and installation
4-30
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