John Deere HR-BG5202-NG - Manual (Page 11)

Operator’s Manual 
Preparation
VeNTuRI TuBeS
CauTION: KeeP VeNTuRI TuBeS CleaN. BlOCKaGeS
CauSed By SPIdeRS, INSeCTS aNd NeSTS CaN
CauSe a flaSHBaCK fIRe. (fIG. 4)
Although the grill might still light, the backed up gas might also ignite
and cause a fire around the venturi tubes at the control panel or side
burner.
WaRNING: If a flaSHBaCK fIRe OCCuRS, TuRN Off GaS
aT THe SOuRCe IMMedIaTely.
Inspect and clean the venturi tubes (main burner, side burner, rear
burner) if any of the following symptoms occur:
. You smell gas.
. Your grill does not reach temperature.
. Your grill heats unevenly.
4. The burners make popping noises.
INSPEcTING & clEANING VENTuRI TuBES:
. Turn off gas at the source.
i.e. the gas cylinder or supply line for natural gas.
. When grill is cool, remove burner fasteners from bottom, lift the
burner from the grill housing.
. Clean the venturi tubes with a pipe cleaner or venturi cleaning tool
(PN 67-0144). (Fig. 5)
4. Lower the burner into position in the grill housing, making sure that
the venturi tubes are correctly aligned and fitted on the orifices.
(Fig. 6)
5. Secure burner with burner fasteners.
Fig. 4
Fig. 5
Fig. 6
Venturi Tube Spider Web Tube Burner