SECTION 5: F
UEL
C
ONVERSION
I
NSTRUCTIONS
9 of 21
Step 5.3 Burner Cup Assembly Removal
1. Remo
v
e the hot s
u
rface igniter and sense rod:
Remo
v
e the sense rod and hot s
u
rface igniter
w
ith a 1/4" n
u
tdri
v
er or phillips (+) scre
w
dri
v
er,
then remo
v
e the scre
w
and n
u
t
w
ith a straight
slot scre
w
dri
v
er and an 11/16" open end
w
rench
(spanner). Yo
u
may protect the igniter and set it
inside the b
u
rner or
u
npl
u
g the harness from the
v
al
v
e/mod
u
le and set it aside. In either case,
u
se care in handling the fragile igniter.
2. Remo
v
e the blo
w
er side door: Remo
v
e the three
th
u
mb scre
w
s and set the door aside.
3. Remo
v
e the b
u
rner c
u
p assembly: Unscre
w
the
b
u
rner c
u
.
4. Remo
v
e and replace the gas orifice: Use a 1/2"
open end
w
rench (spanner) to remo
v
e the
orifice. Replace it
w
ith the one incl
u
ded
w
ith this
kit.
CAUTION: Do not o
v
er-tighten the orifice. The
torq
u
e
v
al
u
e for the orifice is 15 in/lbs; contact
yo
u
r factory representati
v
e for more details.
Step 5.4 Re
g
ulator Replacement
1. Be s
u
re gas s
u
pply to heater is off.
2. Replace the b
u
rner c
u
p. Ins
u
re the large
external tooth
w
asher is in place then tighten the
b
u
rner c
u
p.
3. Replace the blo
w
er side door.
4. Replace the hot s
u
rface igniter,
then the sense rod.
5. Replace the reg
u
lator spring. Using a flat head
scre
w
dri
v
er, remo
v
e the cap from the reg
u
lator
adj
u
sting scre
w
, remo
v
e the scre
w
and remo
v
e
and replace the spring. NOTE: Sil
v
er spring for
Nat
u
ral, red spring for Propane.
to
v
erify spring
kit components.
6. Replace the adj
u
sting scre
w
and t
u
rn do
w
n
approximately 1/2".
FIGURE
8
: Pressure Re
g
ulator
7. If the b
u
rner is remo
v
ed, re-install the gasket
and the b
u
rner on the transition t
u
be by
inserting lock
w
ashers and bolts, torq
u
e to 120
in/lbs. Reconnect o
u
tside air, gas and electrical
s
u
pplies. For proper installation proced
u
res, see
v
enting, gas piping and electrical sections of the
Installation, Operation and Ser
v
ice Man
u
al
incl
u
ded in this Con
v
ersion Kit.
8. Yo
u
may remo
v
e the press
u
re s
w
itch by
remo
v
ing the t
w
o (2) scre
w
s from the top of the
b
u
rner
w
ith a 1/4" n
u
tdri
v
er or Phillips (+)
scre
w
dri
v
er; this allo
w
s increased access to the
reg
u
lator o
u
tlet on the control
v
al
v
e.
. If yo
u
remo
v
e the press
u
re s
w
itch,
be s
u
re to make note of the position of the
Cap
Screw
(black)
O
Ring
(black)
Pressure
Regulator
Adjusting
Screw
(white)
Spring (Sil
v
er
f
or
N
atural
G
as)
(Red
f
or
Propane
G
as)
Pressure
Regulator
Housing
WARNING
Severe Injury Hazard
Secure burner to burner tube with bolts and
lockwashers.
Hang heater with materials with a minimum
working load of 75 lbs (33 kg).
Failure to follow these instructions can result
in death, injury or property damage.
