Jenn-Air JGCP748HM Instructions D'installation page 18

6. Pull the grill orifice holder out of the burner box to allow
access to the orifice with a wrench, being certain not to kink
the attached tubing.
A. Grill orifice
B. Grill orifice holder
7. Using an adjustable wrench and a 1/2" (1.3 cm) open end
wrench remove the Propane (L) orifice spud and replace with
the correct Natural Gas (NG) orifice spud. See Natural Gas
Orifice Spud Chart.
8. Reposition the grill orifice holder assembly back into the
burner box, and replace the grill orifice holder bracket and
two holder screws.
9. Lift up on the control console and set it back into place. For
a proper fit, the flange of the control console must hook over
the lip on the front of the cooktop.
NOTE: The side flange of the console aligns outside of the
cooktop box, but inside the side rail flange.
A
B
C
A. Side rail flange
B. Console side flange
C. Cooktop box
18
A
B
Use 1/2" (1.3 cm)
open end wrench
to remove/replace
orifice
Hold with adjustable
wrench here
NOTE: It may be necessary to lift valve stems to align with
console holes.
A
B
A. Control console flange
B. Front lip of range cooktop
10. Check that the control console is flush with the top edge of
the cooktop.
A
A. Flush with range top
11. Replace the screws on each side of the control console.
12. Replace the control knobs and bezels.
13. Replace burner grates.
14. Reconnect power.
Complete Installation
1. Refer to the "Make Gas Connection" section for properly
connecting the cooktop to the gas supply.
2. Refer to the "Electronic Ignition System" section for proper
burner ignition, operation, and burner flame adjustments.
Checking for proper cooktop burner flame is very important.
The small inner cone should have a very distinct blue flame
1/4" (6.4 mm) to 1/2" (1.3 cm) long. The outer cone is not as
distinct as the inner cone. Propane gas flames have a slightly
yellow tip.
3. Refer to "Complete Installation" in the "Installation
Instructions" section of these instructions to complete this
procedure.