Coleman 7600 - Millivoltmeter Test; Regulator Conversion; Regulator Adjustment

INSTALLATION
INSTRUCTIONS
GASKET AND SCREEN
DIAPHRAGM
THERMOMAGNET
DIAPHRAGM
AND/OR
GASKET
VALVE
ASSEMBLY
ASSEMBLY
Figure
4.
Typical Cross-sectional
MILLIVOLTMETER
TEST
Use 0-50
millivolt scale.
Place
meter test
probes
as
shown
below.
lf meter needle
moves to
lett of
zero
or
no reading
is
ind icated,
reverse
probes. Take all
readings
with
pilot
burning
and
thermostat
contacts
closed.
(Main
burner
"ON.")
If reading is less
than 7 millivolts
l. Adjust
pilot
gas.
2. Clean
primary
air
holes.
3. Clean
pilot
burner
orifice.
4.
Replace
thermocouple.
and spring.
REGULATOR
CONVERSION
WARNING
When
t'onverting
ttalve
f
rom or to
LP
gas
use,
it vrill
be necessar-t'
lo
('honge
ntain
hurner orifit'e.
See
/ur-
nat'e nanteplate
f
or t'ontplete
instu('lions.
HOW
TO CONVERT
To
convert
valve
pressure regulator
from
liquefied
petroleum
gas
to
natural
gas,
or the
reverse,
lnvert
the convertible
regulator cap
on the
valve.
See
Fig.
3.
For Natural
Gas:
Install convertible
regulator
cap
so that
hex
and
"NAT
GAS"
marking
appears
on upper
end
(See
Figure
5)
For Liquefied
Petroleum Gas:
Install
convertible
regulator
cap
so that
hex
portion
is
at
lower end
and
"LP
GAS"
marking appears
on
upper
end of cap.
(See
Figure
6)
CAUTION
When
inverting the
converlible
regulalor
t'ap
ntake sure
that spring
below'
t'ap is nol
rttisplacerl
l0
REG
CAP
VALVE
BODY
REGULATOR
SPRING
REG. ADJ.
SCREW
VALVE
BODY
Figure 7. Adjusting
Regulator
for
Nat. Gas
CAUTION
Do not
strett'h spring
v'hen rentoving
./rom
regulator
stenl.
lnsert
screwdriver
into the two
slots of
regulator
adjustment
screw
(See
Figure
7).
Turn
adjustment
screw
clockwise
to increase
pressure,
counterclockwise
to
decrease
pressure.
Replace regulator
spring.
NOTE:
Make
sure
regulator spring
is firmly attached
to
regulator stem. Use a
Phillips
head screwdriver
or
similar
blunt ended object to
press
spring
down until
you hear
or
feel it snap in
place.
Replace convertible
regulator cap
with
"NAT
CAS"
marking
in up
position.
REGU
LATOR
ASSEMBLY
Figure
5.
Cutaway View of
Figure
6. Cutaway
View
of
Cap
Installed
for Natural
Cap
Installed
for
L.P. Gas
Gai. Note Relaxed
Spring.
Usage.
Note Compressed
SPring.
trNOTE:
Old
style convertible regulator
cap is identified by a
double
hex. New
cap has only one hex tor
easier
identification
of
gas
conversion
position,
REGULATOR
ADJUSTMENT
The
regulator has been factory adjusted
to
values
stamped
on
valve.
For
LP
gas
the regulator
is not
adjustable.
For
natural
gas
use, the
valve is equipped
with
a
limited adjustment type
regulator.
-fo
adjust
regulator,
install a measuring device
in
tA"
NPT
pressure
tap
near valve outlet.
Remove convertible
regulator
cap
CONVERTIBLE
REG. CAP
E
t=
E
portlon
of cap.
OLO
STYLE