Pajero II Workshop Manual 1991 · Отопление, кондиционирование и вентиляция · страница 81 из 118 · Открыть оригинал PDF ↗
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16.With the handle turned out all the way (valve open). install
the charging valve to the service can:
17.Turn the handle of the adaptor valve back all the way (valve
closed) , remove it from the gauge manifold and install the
service can
18. Tighten the handle of the charging valve (valve closed) to
puncture the service can:
19.Turn the handle of the charging valve back (valve open) and
tightenthe handleof theadaptorvalve(valveopen)to
charge the system with refrigerant:
Caution
If the service can is inverted, liquid refrigerant may be
drawn into the compressor damaging it by liquid com-
pression.Keepthe servicecanupright to ensure that
refrigerant is charged in gas state
20.If the refrigerant is not drawn in, turn the handle of the
adaptor valve back all the way (valve closed).
21. Check for gas leaks using a leak detector:
If a gas leak is detected, re-tighten the connections, and then
repeat the charging procedure from evacuation in step (12).
Caution
A leak detector designed for R-134a should be used.
22.Start the engine
23.Operate the A/C and set to the lowest temperature (MAX
COOL):
500 r/min:
24.Fix the engine speed at
25. Tightenthehandleoftheadaptorvalve (valveopen) to
charge the required volume of refrigerant:
Caution
If the service can is inverted, liquid refrigerant may be
drawn into the compressor damaging it by liquid com-
pression. Keep the service can upright to ensure that
refrigerant is charged in gas state.
26.Atter chargingwithrefrigerant;turnthehandleofthe
adaptor valve back all the way (valve closed) .
27. Tighten the charging valve handle (valve closed)
Remove the quick joint (for low pressure) from the low-
pressure service valve
NOTE
theservicecanisnot emptiedcompletely.keepthe
handles of the charging valve and adaptor valve closed for
the next charging:
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