5
MAINTENANCE
5.1
Maintenance table
Use the table in this booklet to record
performed maintenance after each winter
season.
Warning
For all service and adjustments
contact qualified, competent and
authorized persons.
Description
Clean the burner dish.
Drain (water of) condensation from the
fuel tank, when the waste oil contains
water.
Clean the combustion chamber.
Clean the burner ring.
Clean the combustion chamber and the
vaporiser with a steel brush.
Clean the combustion chamber and the
vaporiser with a steel brush.
Clean the overflow pipe in the floor of
the combustion chamber. See fig. 4(I).
Check the oil pipes for leakage.
Clean the fuel tank, the supply filter and
the fuel filter.
The fuel tank can easily be removed.
Check the combustion air fan and clean
if necessary.
Check the hot air fan and clean if neces-
sary.
Clean the flue stack valve in the T-piece,
see fig. 8 (A).
The recommended draught is 2 mmwk.
AT 400 - 500-US series
/i
Period
Every
Week-
12
ly
hours
X
X
X
X
X
X
40.020.943 - rev. 04 - 2011
Warning
Always clean the combustion
chamber before starting the heater.
Hot
Do not touch the flue and air outlet!
Wait until the flue and the air outlet
have cooled down sufficiently before
carrying out any maintenance.
Month-
Every
ly
six
months
X
X
X
X
X
Dealer
English
Annu-
Every
ally
two
years
11