GE Monogram ZDP486ND Technical Service Manual page 23

2 CONVERT THE REGULATOR
Disconnect all electrical power at the main circuit
breaker or fuse box.
A. Remove the rear vent
Range Regulator
trim (on ranges only)
to access the
regulator. The
Rangetop regulator is
on the left bottom
corner.
B. Shut off the gas supply by closing the manual shut-off
valve in the unit or at the wall.
C. Convert the pressure regulator:
• Unscrew the cap with plunger.
• Place your thumb against flat side of the plunger and
press down to snap the plunger out of the cap.
• Carefully look at the plunger to locate the NAT
or LP position.
• Turn the
plunger
over so
that the
desired gas
is showing
NAT. Position
near the
bottom.
• Snap the plunger back into the cap.
• Screw the cap back onto the regulator.
3 CHANGE BURNER ORIFICES
INSTALLATION TIP: First remove all
orifices and then start replacing them.
This will help to prevent the possibility
that some may not be replaced.
A. Remove the burner grates,
burner caps and burner heads.
B. Loosen the top burner
orifices using a 7 mm
nut driver. Use small
pliers to carefully lift out the orifices.
The main orifice is located
low in the center of the
burner, while the simmer
orifice is located higher
beside the center
of the burner.
Main
Orifice
Gasket
Cap
NAT
LP
Plunger
NAT LP
LP Position
Pressure Regulator
Burner Cap
Burner
Head
Spark
Igniter
Burner Base
Simmer
Orifice
– 23 –
3 CHANGE BURNER ORIFICES (cont.)
IMPORTANT: Find your model number below. Read
each orifice label to identify and install them in the
exact locations shown.
ZDP304 SIMMER ORIFICES
A 34SL or 51SN orifice
will be used on all burners.
ZDP304 MAIN ORIFICES
A 84XL or
126HXN orifice
will be used
on these three
burners.
ZDP364, ZDP366, ZDP484, ZDP486
SIMMER
ORIFICES
MAIN
ORIFICES
A. Return the unused orifices to the holder. Reattach
the holder and the instruction sheet with screw
in the original storage location.
B. Replace the burner heads, caps and top grates.
On range models, replace rear vent trim.
Use a 108XL
or 190XN orifice
for the right
front burner.
A 34SL or 51SN orifice
will be used on all
burners.
Use 108XL or
190XN orifices
for all burners.
(Continued next page)