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TM5-4120-387-14
Figure 5-7. Charging Valves Caps and Cover
z .
Using screwdriver, secure charging valve access cover with six screws and
six flat washers.
5-12. REFRIGERANT PRESSURE CHECK
Except in cases where it is obvious that the refrigerant charge has been lost, the
first step in troubleshooting problems in the refrigeration system should be to
check discharge and suction pressures under operating conditions.
Check pressures
as follows:
a.
Turn the mode selector switch to OFF.
b.
Using screwdriver, remove six screws and six flat washers from charging
valve access cover.
5-20
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