Zanotti un0 080 - 3.10 Alternative Road Compressor

65
3.6 CPR Crankcase Pressure
Regulation Valve
Cooling Circuit
(i) i Clean pipe ends with a special
brush and flo
w with dry nitrogen.
CAUTION
! Never flow with
no
rmal air, it contains too much
humidity.
(j) Braze new CPR valve in position.
CAUTION
! Wrap CPR valve in a
wet rag, whi
ch must be warmer than
ambient avoiding moisture
condensation.
(k) Reinstall evaporator service ports
valves.
(s)
CAUT
ION
! Lubricate valve
gaskets before.
(l) Vacuum contaminated part of cooling circuit from LP service port.
(m) Test installation for leaks with a vacuum gauge.
(n) Reinstall valve support brackets.
(o) Charge unit with refrigerant 3.2.4 Section.
Regulate CPR
valve 3.6.1
Section.