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Figure 5-7.
TM 5-4120-361-14
(4) Unscrew the flare nut and re-
move the pressure relief valve.
b.
Installation.
(1) Refer to figure 5-7 and in-
stall the pressure relief valve by fast-
ening the refrigerant circuit flare nut
to the pressure relief valve.
(2) Using the screw and washer re-
moved in 5-23a(3), install the clamp
_
that fastens the pressure relief valve
to the condenser fan housing.
1.
Caution should be exer-
cised with fluorocarbon re-
frigerant gas (freons) as they
can displace oxygen and there-
by cause suffocation.
2.
Personnel with a history
or other evidence of cardiac
rhythm abnormalities should be
made aware of the potential
for aggravation of existing
cardiac rhythm abnormalities
or the induction of arryth-
mias, as a result of exposure
to fluorocarbon refrigerant
gases (freons). Such indivi-
duals should be evaluated by
local medical authorities be-
fore working in environments
where potential freon exposure
may occur.
(3) Refer to para 5-6 and leak test
the refrigeration system.
(4) Refer to figure 6-1 and purge
the refrigeration system.
(5) Refer to figure 6-2 and charge
the refrigeration system.
5-17
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