Basic Settings and Service Procedures HDS Middle Range / HDS Premium RangePage 94 / 127 Service Manual 04.20083.4 Installing the air circuit on the outer jacketInsert clamping ring in the air circuitInstalled clamping ring with rubber collar locking lever1 Clamping ring2 Air circuit (rubber collar)3 Outer jacket (continuous flow heater)4 Locking lever, rubber collarWhen installing the outer jacket (continuous flowheater) in the unit the air circuit (rubber collar)can fall off the outer jacket. This makes installationmore difficult. An additional clamping ring will beintroduced as an installation aid, probably fromthe summer 2008.Please note:– Clean air circuit and outer jacket in theinstallation area.– Install air circuit, free of grease, on the outerjacket.– Push clamping ring into the air circuit up to theperceptible stop, note the installation direction(Figure 1).– If necessary, lightly coat the clamping ring withsilicone grease before installation.– Check air circuit for correct fit (Figure 2).Note:The clamping ring will be black in seriesproduction.31 21234
