U TT
W
SERVI
C
E PRO
C
EDURE
II
Burner Operation Inspection,
Cleaning and
R
eplacement
P
a
g
e
18
S
t
e
p 6.
Di
s
conn
e
c
t
(un
s
c
r
e
w) m
a
nifold b
r
a
ck
e
ts
f
r
om m
a
in
bu
r
n
e
r
o
r
ific
e
s
.
S
t
e
p 7.
R
e
mov
e
m
a
in bu
r
n
e
r
o
r
ific
e
f
r
om f
ee
d lin
e
(1/
2
"
w
r
e
nch). In
s
p
e
c
t
a
nd cl
ea
n if n
e
c
e
ss
a
r
y
S
t
e
p 8.
R
e
mov
e
pilo
t
a
ss
e
mbly,
r
e
f
e
r t
o SERVICE PROCED
U
RE III fo
r
cl
ea
ning
a
nd in
s
p
e
c
t
ion.
S
t
e
p 9.
R
ea
ss
e
mbl
e
bu
r
n
e
r
.
S
t
e
p 10.
R
e
in
st
a
ll bu
r
n
e
r
a
nd inn
e
r
doo
r
p
e
r
SERVICE PROCED
U
RE I,
st
e
p
s
5
t
h
r
ough 16.
S
t
e
p 11.
T
o
r
e
s
um
e
op
e
r
a
t
ion, follow
t
h
e
in
str
uc
t
ion
s
loc
a
t
e
d on
t
h
e
ligh
t
ing in
str
uc
t
ion l
a
b
e
l o
r t
h
e
ligh
t
ing
in
str
uc
t
ion
s
loc
a
t
e
d in
t
h
e
in
st
a
ll
a
t
ion
a
nd op
e
r
a
t
ion m
a
nu
a
l.
Burner Cleaning
(
Continued
)
S
t
e
p 4.
T
ho
r
oughly in
s
p
e
c
t
bu
r
n
e
r s
c
r
ee
n
a
nd bu
r
n
e
r
v
e
n
t
u
r
i
s
a
nd
r
e
mov
e a
ny loo
s
e
d
e
b
r
i
s
a
ccumul
a
t
ion. In
s
p
e
c
t
bu
r
n
e
r s
c
r
ee
n fo
r
a
ny op
e
ning
s
l
a
r
g
e
r t
h
a
n
t
h
e
no
r
m
a
l
s
c
r
ee
n op
e
ning
s
.
S
t
e
p 5.
U
s
e
comp
r
e
ss
e
d
a
i
r
a
nd/o
r
a
v
a
cuum
t
o
r
e
mov
e a
ny
s
c
a
l
e
o
r
o
t
h
e
r
d
e
b
r
i
s
a
ccumul
a
t
ion f
r
om
t
h
e
bu
r
n
e
r s
c
r
ee
n
a
nd v
e
n
t
u
r
i
s
.
Burner
Screen
Burner
Venturis
Manifold
Brackets
Main
Burner
Orifices
R
18