Buderus Logano GA124 Installation And Maintenance Instructions Manual page 51

Boiler inspection and maintenance
3. Disconnect pilot gas line from gas valve.
4. Disconnect ignition cable from ignition module.
5. Attach gas supply line to burner control holder with
wire or string.
6. Remove screws ( Fig. 50) between gas valve and
burner box. Place the gas connection pipe gasket in
a safe place.
7. Label connection lines of flame roll-out switch and
disconnect from the switch.
8. Remove screws in burner box cover and remove
cover.
9. Unscrew nuts and remove gas burner with burner
box.
10. Release air supply hose (
burner box.
11. If there is dirt in the burner compartment, remove
venting fan, otherwise continue with
( Chapter 11.6, page 54).
We reserve the right to make any changes due to technical modifications.
Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005
Fig. 49) and pull off
6
5
10
4
3
2
1
Fig. 49 Front view
1 Flame roll-out switch (boiler size 17)
2 Gas supply pipe
3 Gas valve
4 Ignition cable
5 Ignition module
6 Wire holder for gas supply line
7 Burner control
8 Ignition gas line
9 Air supply hose
10 Gas supply line
Fig. 50 Removing gas burner
1 Fixing nuts
2 Screws
3 Flame roll-out switch (boiler size 23 and 30)
4 Burner box cover
11
7
8
9
2
1
3
4
1
51