Whirlpool 8523781 installation instructions Natural gas conversion, Surface

Natural gas conversion

1.Check that main gas supply line has been shut off and the power supply cord is disconnected.

pressure regulator

L.P.

plastic cover

pressure regulator

Natural

plastic cover

cap

washer

Nat. gas L.P. gas

DO NOT REMOVE THE PRESSURE REGULATOR.

2.Open broiler drawer to locate pressure regulator.

Pressure regulator: Remove plastic cover. Turn cap marked “L.P.” on front of pressure regulator counterclockwise with a wrench to remove. Do

Not disturb or remove the spring beneath the cap. Turn the cap over and reinstall cap on regulator so that the letter “N” is visible. Replace plastic cover over cap.

3.Surface			reinstall
		orifice	one of the
Burners:			screws
Remove burner		spud	spark electrode
caps. Use a	orifice
Phillips or	spud
Quadrex	holder
screwdriver to
remove the two
screws holding			range cooktop
the burner head down. Lift the

burner head off the cooktop to uncover the orifice spud holder. The orifice spud is recessed in the holder.

Note: Reinstall one of the screws through the range cooktop to hold orifice spud holder in place while removing and replacing orifice spuds.

Locate the Natural gas orifice spuds on the spud card on the back of the range. Orifice spuds are stamped with a number and marked with two color dots.

	5/16"		Natural gas
	nut driver
			orifice spud
	orifice spud.
	Replace orifice
	spud with the
	number listed
	in chart.
	burner		orifice
	assembly		number
	Natural Gas
Surface	Rate	Orifice	Color
burner	(BTU/hr)	Number	Marking
Left rear	8,000	N139	Blue/Black
Left front	9,500	N150	Blue/Brass
Right front	9,500	N150	Blue/Brass
Right rear	5,000	N110	Blue/White

A brass orifice spud is located in the center of each burner throat about 2" below the cooktop. Apply masking tape to the end of a 5/16" nut driver to fit snugly over the orifice spud. Press driver down onto the spud of the left front burner and remove by turning spud counter-clockwise and lifting it out. Replace the L.P. gas spud with the appropriate Natural gas spud shown in the table.

Continue to replace the remaining orifice spuds, one at a time. Place the L.P. gas spuds on the spud card on the back of the range for future use. Replace burners, screws and caps.

orifice hood

pin	hood
	L.P. gas
	decrease gas
	decrease
Natural gas	flame size
increase gas
increase flame size
pre-set at factory
for Natural gas

4.Oven burner: Use 1/2" combination wrench to loosen the orifice hood away from pin (approximately 2 to 2-1/2 turns). The burner flame cannot be properly adjusted if this conversion is not made.

5.Check operation of range in section E,

Page 6. Checking for proper cooktop burner and oven flame is very important.

Natural gas flames do not have yellow tips.

anti-tip bracket

range foot

6.Making sure the anti-tip bracket is installed:

•Look for the anti-tip bracket securely attached to floor.

•Slide range back so rear range foot is under anti-tip bracket.

Page 8