Bosch Evolution 300 Series - 1 b. CONVERTING STEEL TOP REGULATOR:; 2. CONVERTING SURFACE BURNERS

2:21
ECONVERTING STEEL TOP REGULATOR:
If the regulator has a steel top as pictured in ig 4 on the previous page convert the
regulator in the following manner:
A. Remove the regulator access cover if equipped. Do not remove the Sressure
Uegulator or allow it to turn.
B. Remove the plastic dust protector from the cap (g 5). Using a 5/8" wrench,
unscrew the cap from the pressure gulator (ig 6). Do not remove the
spring from the regulator.
C. Turn the cap over so the hollow end faces outward. Place the solid end of the cap
into the loop end of the dust protector ig 7).
D. Replace the cap on the regulator with the hollow end facing out (ig 8). Do not
overtighten the cap. Snap the dust protector over the regulator cap.
E. Attach the LP conversion label as illustrated on page 8 then complete the remaining
steps in the instructions provided with the LP kit.

NOTE: The pressure regulator cap may be made of brass or aluminum depending on
the age of the product. The conversion process is the same for both types of caps.
LP Gas
Set Up
Fig 7
Natural
Gas Set
Up
Fig 6
LP Gas
Set Up
Fig 8
Natural Gas
Set Up
Fig5
Dust Protector
&219(57,1* S85)$&(%851(56
Photo B
Photo C
Using a 3/16”
nut driver turn the burner mounting screws counter
clockwise to remove
as shown photo B
The burner can then be lifted away from the cooktop providing access to the burner
orifice as seen in photo C. Use a 7mm nut driver to removethe orifice from the orifice
holder.
With the orifice removed the size stamp is visible. Using the size stamp on the N
orifice determine the correct LP orifice from the chartbelow or from the instructions
provided in the LP conversion kit.







The chart at right can be used as a guide to identify the proper orifices
for the various burner sizes and styles that are currently used on the
300 and 500 series ranges. Future models may change so 
to the parts list or LP conversion kit for the specific model being serviced.
BTU
Rating/Style 5000 9500 9500/Oval 12000 14000 16000
Natural Gas
Orifice 1.07 1.46 1.54 1.67 1.87 1.98
LP Gas Orifice .66 .93 .89 1.02 1.09 1.18
LP Orifice Marking
Color
Pink White None Yellow Brown Silver
BTU Rating after LP
Conversion
5000 9500 8000 12000 14000 16000