by tightening the joint, or unscrewing completely and
applying additional pipe dope and re-tightened. Any
factory connections which may have been disturbed
should be retested.
a match should never be used when testing for leaks.
all fittings have been tightened and tested at the
factory. if a leak is detected, tighten the fitting. Don’t
use pipe dope on factory fittings.
range toP conVersion to “lP”

models 1955 & 1956

All our ranges are factory set to burn natural gas unless
“LP” is specified. To use the range on “LP” gas, please do
the following:
order an “lP” kit from the factory. $35 UPS included.
Burner large medium small
Nat. Gas #50 (1.75 mm) #55 (1.32 mm) #57 (1.09 mm)
LP/Propane #64 (.91 mm) #65 (.89 mm) #70 (.71 mm)
Store natural gas spuds so they are available for future
conversions.

installation of “lP” spuds

Apply masking tape to the end of a 7 mm nut driver to
help hold the gas orifice spud in the nut driver while
changing it. Press nut driver down onto the gas orifice
spud and remove by turning it counterclockwise and
lifting out, set gas orifice spud aside.
Gas orifice spuds are stamped with a number on the side.
Replace the LP gas orifice spud with the correct Natural
gas orifice spud.
Refer to the following chart for the correct Natural gas
orifice spud placement.

conversion of regulator to “lP”

on model 1955

Disconnect Power to range
Open oven door and remove it, see removal instructions
on page 16.
With a Philips driver, undo the 2 screws holding the top
down.
Pull top forward about 2” then lift front. Raise the
service stay on each side to hold the top up.
On the back right of the range unscrew the nut on top of
the regulator.
Reverse the white insert pin by pulling it out of the cap,
reverse it, then snap it back into the cap. Replace cap
into body of regulator and tighten, making sure not to
disturb the regulator spring.
Figure 13 Nat. Gas LP Gas

replacing rangetop orifices

Tools required to replace orifices.
Small adjustable wrench.
1. Remove the lift off burner cap.
2. With the small adjustable wrench, unscrew the brass
venturi and remove.
3. Unscrew the natural gas orifices in each of the top
burners using the 7mm nut driver included with orifice
kit. Replace with “LP” orifices listed below.
nat. gas lP/Propane
Front left superburner takes 1.75 mm (#50) .91 mm (#64)
Other front burners take 1.32 mm (#55) .89 mm (#65)
All rear burners use 1.09 mm (#57) .71 mm (#70)
Note: example. Orifices are stamped metric sizes. (00) is
the number drill equivalent.
4. Reinstall the brass
venturi.
Store nat. gas orifices
and nut driver so they
are available for future
conversions.
When replacing the
black caps, make sure
that the tabs in the cap
fit into the grooves of
the burner base.
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