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Procedure 26
Step 12a: Air shutter adjustment
will be needed for small simmer
setting. Approximate air hole
coverage is 1/4 covered for LP
IMPORTANT: ALL GAS WORK TO
BE PERFORMED BY A QUALIFIED
GAS TECHNICIAN.
Air Shutter Adjustments may be
needed to adjust flame patterns
in the field after conversion or
new appliance installation.
North American Natural Gas
Description
main jet simmer 34
main jet
valve outer
valve inner
grill Jet
grill valve
venturi
North American Liquid Propane
Description
main jet simmer 7
main jet
valve outer
valve inner
grill Jet
grill valve
venturi
* These orifices use standard size orifice #3519 0.74 drilled out to following size:
- Gas Conversion
Step 12b: Air shutter adjustment
will be needed for small simmer
setting. Approximate air hole
coverage is 1/2 covered for Nat Gas.
Conversion/Orifice Charts
Size
Part no./Model
#3669
1.7
#3860
0.4
#7640 OR #3856
0.88
#3857
1.18*
#3516
0.58
7636
#3667
Size
Part no./Model
#3670
1.1
#3861
0.25
#3858
0.54
#3859
0.85*
#3517
0.4
#7640 OR #3856
#3667
#3517 0.85 for North American Liquid Propane (L/P) kits
Step 13: Grill models only. There
is only valve simmer jet and one
burner jet.
Air shutter will need adjusting: LP
fully open, Nat Gas open 0.40".
3520/3525 3620/3625 3620/3625 BBQ
#38109
#38110
4
6
4
6
4
6
4
6
0
0
0
0
4
6
3520/3525 3620/3625 3620/3625 BBQ
#38112
#38113
4
6
4
6
4
6
4
6
0
0
0
0
4
6
44
Section 5-3
#38111
4
4
4
4
2
2
4
#38114
4
4
4
4
2
2
4
MLSM2003-01-03
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