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Section 4- Maintenance
Regular maintenance is essential for effective problem free use of the boiler and also
for the life expectation of the boiler. The following is recommended.
4.1 Maintenance intervals
The following intervals should be seen as guidelines, as they are very much depending
on the fuel type used and the conditions of use for this boiler
Daily (check)
Does the boiler run as expected
Check and if necessary remove slag from the burner tube (this might mainly be
necessary when heating by grains)
Weekly maintenance
Check that the water level is OK, see manometer
Check that the water returning to boiler is at least 60 ºC
Clean the heat exchanger using the brush
Empty the combustion room for ashes
Monthly maintenance
Check that the gasket in the fuel store is intact (is tight)
Check that the gasket in the doors to the combustion room are OK
Clean the side walls in the combustion room
Check and clean the burner tube for slag ( in the area close to the auger)
Check and clean the perforations in the side of the burner tube
If a draft stabiliser is fitted, check it for “free” movement and clean it if necessary.
Yearly maintenance
The flue box should be totally cleaned out for ashes
Check that the flue pipes from boiler to chimney are not blocked
Combustion fan should be cleaned at the fan wheel.
The bolts holding the burner tube and auger together should be fastened.
Check the sprinkler valve and check afterwards, that it is tight
The chain at the rear of the stoker should be oiled and tightened to 15º on the
scale.
The bearing behind the big chain wheel should be greased by means of a grease
pump.
Important
Please always remember to cut the power to the boiler
during any form of maintenance or repair work!
It is recommended to have the boiler checked once a year
by a Twin Heat professional
!
Section 4- Maintenance
