Waeco AirCon Service 6300G Operating Manual page 25

8. Close the HP quick connector and detach it from the air conditioning system.
Note If you have turned off the vehicle engine to uncouple the HP quick connector, restart the en-
gine and turn on the air conditioning.
The following display messages appear:
Wait!
Recovery from the
service hoses!
Process completed
STOP-EXIT
9. To end the air conditioning test, press the STOP button.
13.8 Free Selection
The Free selection menu is used to perform air conditioning maintenance step-by-step. You can perform the
same processes as in the short selection menu, but also omit individual procedures. In addition, it is possible to
enter the values for each individual process using the keypad. You can also enter the vehicle data for the service
report in this menu.
The following four processes can be performed individually in the Free selection menu:
• Recycling phase: Extraction, recycling of the refrigerant, pressure rise test, draining the waste oil.
• Vacuum phase: Evacuating the system, leak test / vacuum check.
• Filling phase: Before working on the vehicle air conditioner, a leak inspection must be carried out. The air con-
ditioner is filled with a sample of refrigerant. The pressure in the air conditioner must remain constant over a
period of 5 min. The air conditioner can only be completely filled if this test has been successfully completed.
The sample filling is then drained and the air conditioner evacuated. The final filling quantity is completely filled
up to ensure high filling accuracy. Filling with fresh oil, filling of UV additive, filling of refrigerant.
• Selecting connections: The air conditioning system has a high pressure and low pressure connection, high
pressure or low pressure only connections.
After each process has been performed, a service report is printed.
1. Start by fitting the connections of the A/C service unit to the vehicle air conditioning system, and opening
them.
2.
In the basic menu use the cursor keys
Short selection
Free selection
Other selections
ENTER-OK
3. Press ENTER to confirm.
4. Enter the vehicle data and press ENTER to confirm.
13.8.1 Recovery phase
Enter the preferred settings and press ENTER to confirm.
1.
Rec/Recycling
phase?
ENTER-OK STOP-EXIT
or to select Free selection.
Yes
No
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