Buderus Logamax plus GB142-24 Servicing Instructions page 103

 Loosen three screws on the gas control valve (see fig. 46,
pos. 1).
 Remove the gas control valve (see fig. 47).
 Remove the gas orifice from the gas control valve (see fig. 48,
pos. 1).
 Install the gas orifice in the new gas control valve.
 Mount the new gas control valve on the fan unit.
 Assemble the burner cover with the fan unit and the gas control
valve.
 Close both retaining clips.
 Tighten the union nut of the gas pipe on the gas control valve.
Make sure that you have inserted the gasket!
 Connect both cable plugs to the fan unit.
 Connect the cable plug to the gas control valve.
 Open the gas shut-off valve (see fig. 49, pos. 2).
 Switch on the power supply of the heating system on the circuit
breaker.
 Set the main switch on the BC10 to "1" (On).
Logamax plus GB142-24/30/45/60 - We reserve the right to make any changes due to technical modifications!
1
fig. 46 Loosening the screws
fig. 47 Dismantling the gas control valve
1
fig. 48 Dismantling the gas orifice
Actions
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