Discovery II
AIR CONDITIONING
82-28
REFRIGERANT RECOVERY, RECYCLING AND RECHARGING
Recharging
NOTE: When recharging, always make
allowance for refrigerant in the line between the
charging station and the vehicle. This is
calculated at 30 grammes/metre of charging
line. System charge weights are 700
±
25
grammes for front A/C system only and 900
±
25 grammes for combined front and rear A/C
system.
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 same quantity of refrigerant oil into oil
charger as collected during recovery. If the
following components have been renewed, add
the following additional quantity of lubricating
oil:
l
Condenser = 40 cm
3
l
Evaporator = 40 cm
3
l
Pipe or hose = 5 cm
3
/metre
l
Receiver/dryer = 15 cm
3
.
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 charge quantity.
LUBRICANTS AND SEALANTS, Capacities.
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. Turn Main switch to 'OFF'.
13. Close valves on connectors.
14. Disconnect high and low pressure hoses from
connectors.
15. Fit dust caps to connectors.