Endress+Hauser 450-126.416, Руководство по эксплуатации, Страница: 27 / 43

Automatic Boat Drive Maintenance and care
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}
Tighten the knurled screws for fastening the guide finger-tight.
}
Turn the furnace back into the horizontal position.
}
Carefully push the ABD back onto the basic module and check whether
the ABD connection piece can be mounted without offset.
} Now push the ABD further onto the combustion tube by mean of the
guide until the screw connection engages with the thread of the combus-
tion tube.
}
Tighten the screw connection finger-tight. Make sure that the broad seal
is seated correctly!
ü
The guide of the ABD has been mounted!
7.3.2 Disconnecting the ABD from the combustion tube
NOTICE
During all work on the combustion tube or the ABD connection piece, the pneumatic
seal must be depressurized. Otherwise it may be damaged.
}
Switch off the basic module and the ABD at the device switch.
}
Caution
Risk of burning! The screw connection and the combustion tube may be
hot!
Only perform the maintenance in cooled-down state.
} Loosen the screw connection of the combustion tube.
}
Pull back the screw connection.
When the screw connection is pulled back, the seal between the combus-
tion tube and the ABD connection piece falls off.
}
Slightly lift the right-hand side of the ABD and pull the ABD to the side
until you have enough space to work in.