Jenn-Air JDS1750FS Installation Instructions Manual page 25

To Convert Surface Burners (Propane Gas to Natural
Gas)
1. If they are installed, remove the burner grates.
2. Remove the burner caps.
3. Remove the burner base.
A
A. Igniter electrode
B. Burner cap
C. Gas tube opening
D. Burner base
C
Large Burner
A. Burner cap
B. Burner base
C. Choke (for use with large burner,
propane gas only)
4. Apply masking tape to the end of a 9/32" (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.
B
A
C
A. Igniter electrode
B. Orifice spud
C. Orifice spud holder
D. Screws
5. Gas orifice spuds are stamped with a number on the side.
Replace the Propane gas orifice spud with the correct Natu-
ral gas orifice spud.
A. Stamped number
Refer to the following chart for the correct Natural gas orifice
spud placement.
Remove choke from large burner base.
B
C
D
A
B
D
A
Natural Gas Orifice Spud Chart
Burner Rating Color
19,000 BTU (ST) White/Gray
17,000 BTU (ST) N/A
17,000 BTU White/Blue
15,000 BTU White/Green
9,200 BTU White/Black
8,000 BTU White/Yellow
5,000 BTU White/Orange 1.00
1,200 BTU Black
NOTE: Refer to the model/serial/rating plate located on the
oven frame behind the top right-hand side of the oven door
for proper sizing of spuds for each burner location.
6. Place Propane gas orifice spuds in the orifice spud bag.
IMPORTANT: Keep the Propane gas orifice spuds in case
of reinstallation with Propane gas.
7. Replace the burner base.
8. Replace the burner cap.
9. Repeat steps 1 to 7 for the remaining burners.
Complete Installation (Propane Gas to Natural Gas)
1. Refer to the "Make Gas Connection" section for proper
connection of the range to the gas supply.
2. Refer to the "Electronic Ignition System" section for proper
burner ignition and operation.
3. Refer to the "Adjust Flame Height" section for burner flame
adjustments.
IMPORTANT: You may have to adjust the low setting for
each cooktop burner.
Checking for proper cooktop burner flame is very important.
Natural gas flames do not have yellow tips.
4. Refer to "Complete Installation" in the "Installation
Instructions" section of this manual to complete this
procedure.
IMPORTANT: Make sure to save the orifices that have
just been replaced in the conversion.
Size (mm) ID Number
1.84 184
1.75 175
1.90 190
1.80 180
1.35 135
1.25 125
100
0.52 52
25