EN
About this operating manual
VAS 6746B
70
Service tasks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Calibrating the oil scales . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108
Changing the dryer filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110
Calibrating the pressure transducer . . . . . . . . . . . . . . . . . . . . . . . . . . .113
Changing the vacuum pump oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
Correcting the filling quantity for long service hoses . . . . . . . . . . . . . .117
Replacing the printer paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
9.10 Updating the software via USB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .118
9.11 Changing the drained oil glass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120
Cleaning and maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . .121
Disposal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
1
About this operating manual
This operating manual describes the VAS 6746B air conditioning service
stations (AirConServiceCenter).
The manual is for those who perform maintenance on vehicle air condi-
tioning systems and have the expertise required to do so.
It contains all the instructions necessary for safe and effective operation
of the air conditioning service station. Read this operating manual care-
fully before putting the device into operation for the first time.
Please also note the information in the current material safety data
sheets. They can be found at:
dometic.com/sds
Keep this operating manual in the compartment of the
AirConServiceCenter, so that any information you need is always at
hand.
WaecoVAS6746B_OPM_4445102320_EMEA(de-en-es-fr-ru)_202x-xx-xx.book Seite 70 Montag, 2. November 2020 4:32 16