Servicing Manual
21
The most important factors that can cause high
smoke numbers are :
Clogged combustion chamber due to
incorrect
installation
(exhaust
flue
obstructed or badly designed, see chapter
3.10 and user instruction manual)
Operation without flue adapter
Dirty combustion head, fuel lines and/or
nozzle (see chapter 3.9)
“Too closed” adjustment of air lock (see
chapter 3.9.
Ill. 20
Lack of combustion air due to installation
too close to a wall or in a small room
without openings towards outside.
AIR LOCK ADJUSTMENT
•
Remove the inspection cover.
•
Unscrew the fin screw on the combustion
head.
•
Move the air lock in the axial direction to
reach the position shown on the setting chart
supplied by the manufacturer (see setting chart
at the end of this manual)
Ill. 21
3.6 CLEANING THE FUEL TANK
To clean the fuel tank:
•
Lift the heater at about 1 m height using a fork
truck or other suitable means.
•
Place a proper container under the heater tank.
•
Unscrew the drainage cap on the tank bottom
to discharge the fuel completely.
Ill. 22
To clean the fuel filler filter, extract the filter
from the tank filler cap, clean it and reassemble.
