CAP
SPARK
PLUG
AND
GASKETS
GASKET
COil
RETAINER
COVER
LOUVER
PLATE
AND
M'~1
:SSEM6
l
~
56xl07
Fig. 4 - Burner
and
Exchanger Assembly
wrench. Remove
the
t
hree
screws
attaching
the
louver
plate
to
the
bu
rner
and
excha
nger
hous-
ing. Remove louver plate and mixer assembly.
Remove
the
nozzle from
the
burner
and ex-
changer
housing, u
sing
a % inch box wrench.
NOTE.' The1'e
are
numemU8 oike?'
parts
still
incorporated
in
the burnet' and exchanger as-
sembly,
Buch
as the coil retainer, gasket, fuel
valve and spring, nozz
le
metc1"ing screw and the
fuel line inlet screen.
With
the exception
of
the
fuel line inlet
SC1'een,
/urthel'
disassembly
of
the
burner and exchanger is not recommended
be-
cause none
of
the above
parts
are available sep·
arately
for
service.
As
se
mbly
NOTE
:
Bef
ore reassembly
refer
to
"CLEAN
.
ING
AND
INSPECTION."
If
fuel line inlet screen was removed
from
the
burner
and exchang
er
housing, install a new
screen in
the
hOllsing.
In
st
all fuel inlet fitting.
Tighten
fitting
with
a
%6
inch box wrench.
Insert coil
retainer
gasket
in bottom of coil
retainer,
Figure
4.
In
s
ert
coil assembly so
that
the
termi
nal fits down into
the
cut-out portion
of
the
retainer
an
d
the
ground te
rminal
is
dj·
rectly over
the
sc
re
w hole
at
the
top.
Install
the
retainer cover on
the
retainer
with
the
recessed
portion fitting
int
o
the
cut
·
out
of
the
retainer.
I
nsta
ll
the
cover sc
rew
throu
gh
the
cover· and
coil
wire
g
round
terminal.
Ti
ghten
sc
rew
se·
curely.
88
In
sta
ll
nozz
le
and
tighten
secure
ly
using a %
inch box wrench. Position the
gas
ket
over
the
louver plate.
NO
TE:
The step on the in.side portion
of
the
gasket
must
contact the outer flange
of
the lou-
vel· a
nd
the tape·red portion
of
the gasket facing
the mixer.
Position
the
louver plate and
mixer
as
sembly
with
gasket
over
the
nozzle. Align the
three
screw holes and
the
s
park
plug hole
with
their
re
spective holes in
the
burner
and
exchanger
housing.
N
OTE:
If the spat·k plug hole i8
not
properly
aligne
d,
the spa
rk
plug cannot be installed.
Inst
all
the
three
lockwas
her
screws
in
the
louver plate and
tighten
securely.
In
stall
the
spa
rk
plug
gaskets
on
the
s
park
plug (concave side of
gaskets
to
corre
spond
with
ball portion
of
the
plug, one on each
side).
Carefully insert
the
spa
rk
plug down
through
the
opening in
the
housing and
through
the
lou·
ver
plate. Make
certain
that
the screw guide sl
ot
of
the
s
park
plug is in line
with
the guide screw
in
the
hou
sing
(with
th
e
screw
backed
out
suffi·
cientiy to
prevent
any
interference
with
the
gas·
kets).
Install
the
sp
ark
plug
cap
and
the
two
attaching
screws,
but
do
not
tighten
screws.
Tighten
the
s
park
plug guide screw sufficiently
to
position
the
s
park
plug electrode
with
the
ground
electrode,
but
do not over
tig
hten
as
cracking
of the porcelain m
ay
r
esult
.
Tighten
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