GIRBAU PB32 Series Installation, Operation And Maintenance Instructions Manual page 67

Adjust the Venturi adjustment (Measurement B in Figure
5.13) in accordance with the following data:
NATURAL gas: 10.6 mm (0.42 in)
PROPANE gas: 17.6 mm (0.69 in)
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. 5.14) 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.
Steps for the connection
67
Fig. 5.13
Fig. 5.14
Code no. 550038
Rev. no. 16/1018