Code no. 550038
Rev. no. 16/1018
5.3.3. Atmospheric burner. Changing the type of gas
Changing the type of fuel gas requires changing the
combustion adjustment elements: the injector, Venturi and
fume suction regulator.
PB32, X13 Remove the right-hand base-frame side
cover.
PB/PBP51, X20 Remove the left-hand base-frame side
cover.
Remove the air intake filter.
Replace the gas injector (A) with the appropriate injector for
the new type of gas (see injector values in the table in Section
4.3).
Change the position of the Venturi (B) in accordance with
Measurement D in the enclosed table.
Set the position of the Venturi using the screw C.
In PB/PBP51 models from serial number 2191065; in PB32
models from serial number 2176098; and in PB32/X13 USA
models from serial number 2205136, to modify the position of
the Venturi, turn the Venturi clockwise or anticlockwise
depending on the adjustment required.
Fit the air intake filter.
Replace and secure ALL the side guards.
Start up the machine and check functioning (see directions in
Chapter 6).
Based on the result of the analysis of the combustion gases,
adjust the position of the extraction air control clapper valve
(see Fig. 5.10) until the correct amount of combustion is
obtained.
Refer to section 6.3.
Affix the specification nameplate with values appropriate to the
new type of fuel gas close to the machine’s existing
specification nameplate.
Assemble and fix all the machine’s covers back in place.
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