101
14.1.4 H
OW TO REMOVE AND MOUNT THE FLUE PLUG
:
Make sure during measurement in one measuring hole, that the other one is closed.
When several measurements are done in both holes alternately, the unused hole may be temporarily
Scotch taped or closed by means of a rubber plug.
AFTER FINISHING ALL MEASUREMENTS, CLOSE BOTH HOLES USING THE ORIGINAL PLUGS.
Removing plug from heat exchanger:
Loosen the plug:
Loosen M8 wing-nut counter clockwise
approximately 20 mm.
DO NOT UNSCREW THE NUT
ENTIRELY FROM THE BOLT.
Pull the plug out:
Pull and tilt the bolt so the metal lip can be
extracted.
Mounting the plug:
Position the plug into heat exchanger:
Insert the metal lip upwards into the hole
and tilt the bolt to a horizontal position, so
the lip is completely inside the heat
exchanger.
Fasten plug:
Turn the nut clockwise by hand to fasten
plug.
- DO NOT USE EXCESSIVE FORCE.
- DO NOT USE TOOLS.