Kenmore 148.1615421 Use & Care Manual page 24

3. Put the new orifice into the orifice
removal tool (B), and then insert the tool
into the burner opening and tighten the new
orifice into the valve.
Repeat this step for all four burners.
Make sure you are using the correct
orifice, which is marked "1.37". (Fig. 3)
4. Rotate the air shutter opening from the
LP setting to the NG setting.
LP: 1/4" open
NG: 1/6" to 1/8" open
(Fig. 4)
Natural Gas Hose Connection
Remove the LP gas hose and regulator using a wrench, and attach the natural gas
hose in it's place. (Fig. 5)
LP gas hose and regulator
Air shutter opening to adjust
24
B
1.37
Fig. 3
NG Hose
Fig. 5
Fig. 4