82AIR CONDITIONING
2
ADJUSTMENT Recharging
WARNING: Refrigerant must always be
recycled before re-use, to ensure that the
purity of the refrigerant is high enough for
safe use within the air conditioning system.
Recycling should always be carried out with
equipment which is design certified by
Underwriter Laboratory Inc. for compliance with
SAE-J1991. Other equipment may not re-cycle the
refrigerant to the required level of purity.
WARNING: A R134a Refrigerant Recovery
Recycling Recharging station must not be
used with any other type of refrigerant.
WARNING: R134a refrigerant from
domestic and commercial sources must
not be used in motor vehicle air
conditioning systems.
CAUTION: When a major repair has been
carried out, a leak test should be carried
out using inert gas.
1.Close valves on refrigerant station.
2.Close valve on oil charger.
3.Disconnect yellow hose from refrigerant station.
4.Remove lid from oil charger.
5.Pour correct quantity of refrigerant oil into oil
charger.
6.Fit lid to oil charger.
7.Connect yellow hose to refrigerant station.
8.Open valve on oil charger.
9.Move pointer on refrigerant gauge to mark
position of refrigerant drop.
10.Slowly open correct valve on refrigerant station
and allow vacuum to pull refrigerant into system.
11.Close valve on refrigerant station when correct
amount of refrigerant has been drawn into air
conditioning system.
12.If the full charge is not accepted by the system,
start the engine and run it at 1,500 rev/min for a
minimum of 2 minutes. Switch on the air
conditioning system, open the vehicle windows,
set the temperature control to cold and the
blower switch to maximum.
13.Consult Refrigerant station instruction manual for
correct procedure to complete the charge.
14.Turn Main switch to’OFF’.
15.Close valves on connectors.
16.Disconnect high and low pressure hoses from
connectors.
17.Fit dust caps to connectors.
18.Carry out performance test on air conditioning
system.
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