Cleaning The Burner - Buderus Logano GA124 Installation And Maintenance Instructions Manual

11 Boiler inspection and maintenance

11.6 Cleaning the burner

1. Remove burner ( page 50).
2. Check burner rods for dirt. If necessary, clean
burner as described below.
3. Unscrew pilot burner unit from burner.
4. Disconnect pilot gas line from ignition burner unit.
5. Remove pilot gas orifice and blow out.
6. Immerse burner rods in water with cleaning agent
and brush off.
USER NOTE
Make sure that the insulation on the burner
shield does not get wet.
7. Rinse out burner rods with a water jet; hold burner so
water enters all slots if the burner rods and drains
out again.
8. Remove remaining water by swinging the burner.
9. Check that the slots of the burner rods are free.
Remove water and dirt residue in the slots. If any
slots are damaged the burner must be replaced.
10. Assemble and install the burner in reverse order of
removal and disassembly (
fixing nuts well. Make sure that the front edge of the
burner box cover is properly engaged in the sealing
grommets.
11. Place boiler in operation as directed in
( Chapter 9, page 36).
12. Check operation of aquastat.
13. Test low water cut-off if installed.
14. Check area around boiler for hazards.
The area around the boiler must be free from
flammable substances, gasoline or any other
flammable or corrosive vapors and liquids.
RISK TO LIFE
from explosion of flammable gases.
After maintenance work leaks may occur in
WARNING!
pipes and threaded fastenings.
Make a thorough check for leaks.
Use only approved leak testing agents
to search for leaks.
Complete the maintenance protocol to confirm that all
maintenace work has been conducted. Sign the
maintenance protocol and discuss it with the owner of
the heating system.
54 Installation and maintenance instructions Logano GA124 special gas-fired boiler • Issue 04/2005
page 50). Tighten the
1
Fig. 55 Pilot burner unit
1 Pilot burner unit
2 Pilot gas orifice
3 Pilot gas line
We reserve the right to make any changes due to technical modifications.
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3