Performing a check
Disconnect the ventilation hose. To do this, squeeze the unlock button.
Pic. 2.217. Connecting the Hand Vacuum Pump to the Vent Hose
Connect the hand vacuum pump as shown in the figure to the ventilation hose (pic. 2.217).
Pic. 2.218. Position A to create «rarefaction» on the vacuum pump
Set the movable ring 1 on the vacuum pump to position A to create «rarefaction» (pic. 2.218).
Operate the hand vacuum pump several times. There should be no underpressure.
Pic. 2.219. Air vent on absorber
Close the vent on the absorber and pump the pump several times again. There should be low pressure (pic. 2.219).
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