Specifications
MONITOR
HEATING
SYSTEMS
Section
5:
Servicing
2.
Turn counter-clockwise
to
remove combustion
ring.
If
ring
does
not
turn,
pull
up
slightly
to
loosen
retaining clips.
3.
Use
wire brush
to
clean inside
of
combustion
chamber.
Vacuum
and
wipe clean with
a
waste
cloth.
4. If tar is
present
on the
burner
bottom,
remove
the tar by
using
a
flat-bladed
screw driver
or
wire
brush.then
clean
the
area
by
using
a
vacuum
cleaner etc.
NOTE: Make sure
all air
inlet
openings
are
clear.
5.
When cleaning
the
inside
of the
burner pot,
remove
the
igniter
and
change
the
burner
cloth
by
the
following
procebure.
NOTE:
Bottom
of
burner
pot
must
be
clean
for
glue
to
bond
the
cloth
to the
burner.
6.
Apply
glue arround
the
burner cloth
as
shown
in
Figure
5-1.
-//-
Approx.
1/8-
Qlue
Approx.
1/16
Figure
5-1
NOTE:
As
shown
in
Figure
5-2 and
5-3, insert
the
Burner
Cloth
narrow
side between
the
Noz-
zle
Collar
and the
Igniter Shield, then push
the
Burner Cloth, using your fingers
or a
screw
driver,
so
that
it
slips
in
under
the
Nozzle
Collar.
Afrerwards
press
and
straighten
out the
Burner cloth
so
that
it is
glued flat
and
even
on the
Burner bottom.
In
some
cases,
pulling
out the
Fuel Nozzle
and
Collar
may
make
this
procedure
easier.
An
easy
out can be
inserted into nozzle
to
help break loose
and
remove
it.
Apply
glue
at all 4
comers
of
Burner Cloth
as
Shown
in
Figure
5-4.
Approx.
3/8"
Nozzle
Collar
3/16
3/16-
Burner
Cloth
Figure
5-4
NOTE-
The
Burner Cloth
is not
symmetrical
in
shape, therefore make sure
to
place
it in
the
correct
position
so
that
the
wider side
of
the
cloth
is at
left side
of the
Igniter
Shield
as
shown
in
Figure
5-4.
7.
Combustion ring
may
deform
and
deteriorate
after
several years
use and
should
be
cleaned
and
inspected
before
reinstallation.
If
combus-
tion ring
is
warped,
has
cracked
or is
deteriorat-
ing
excessively
it
should
be
replaced.
8.
When reassembling
the
unit
check
that
com-
bustion ring
is
positioned
with
the
correct side
up
and is
sitting
squarely
on all
three
support
pins inside
the
burner pot.
9.
Reassemble
by
reversing
the
procedure followed
during disassembly.
NOTE:
Use of the
economy plus feature
can
minimize service calls
and
extend component
life.
Figure
5-2
Figure
5-3
44