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8. Do not use solvents for cleaning, as they may damage sealing ring and sealing
itself.
9. If boiler and feeder are withdrawn from exploitation process, every three months
the screw should be run for 15 minutes, this will prevent the screw to be blocked
inside a pipe.
6.7.
STATES OF IMPROPER BOILER'S FUNCTIONING
PROBLEM
Low heat
gases channels obstructed
capacity of
device
lack of fresh air delivered to
boiler room
burning inadequate fuel
boiler power not up to heating
area
improper design and erection
of heating installation
improper
controller or fan
Smoking
chimney draught not sufficient
gases channels dirty
sealing rope indoor and
washout openings worn
orifices leading the air to retort
blocked
improper assembly of boiler
and chimney connection
very low atmospheric pressure
improper position of smoke
throttle to current chimney
CAUSE/SYMPTOM
functioning
REMEDY
clean the channels through
washout wholes
check blow-in ventilation,
improve its permeability
apply proper quality fuel (see
chapter 5.Fuel)
of
adjust controller's settings up to
weather conditions or quality of
fuel, mainly feeder operation time
and fuel delivery pauses should be
changed (time for fuel burning off)
if controller does not work properly
check chimney's permeability and
its parameters
and section to boiler's power,
check if chimney end is not lower
than roof ridge
clean up boiler through washout
holes
replace a rope (to be replaced
regularly)
clean the retort, make orifices
permeable
check accurateness
adjust sprocket position if it is
closed to much
- 19 -
- see tab. height
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