Boiler inspection and maintenance 13
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We reserve the right to make any changes due to technical modifications.
Installation and maintenance instructions Logano G334 X gas-fired boiler • Issue 09/2005
13.6 Cleaning the burner
1. Remove burner (Î page 40).
2. Check burner rods for dirt. If necessary, clean
burner as described below.
3. Unscrew pilot burner assembly from burner.
4. Disconnect pilot gas line from pilot burner assembly.
5. Remove pilot gas jet and blow out.
6. Immerse burner rods in water with cleaning agent
and brush off.
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 (
Î page 40).
11. Replace gaskets if necessary.
12. Place boiler in operation as directed in
Î Chapter 11 "Placing the heating system in
operation", page 28 to page 37.
13. Check operation of aquastat.
14. Test low water alarm if installed.
15. 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.
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.
Fig. 41 Pilot burner assembly
1 Pilot burner assembly
2 Pilot gas orifice
3 Pilot gas line
4 Ignition cable
1
2
3
4
USER NOTE
Make sure that the insulation on the burner
shield does not get wet.
Fig. 42 Swinging burner
WARNING!
RISK TO LIFE
from explosion of flammable gases.
After maintenance work leaks may occur in
pipes and threaded fastenings.
z Make a thorough check for leaks.
z Use only approved leak testing agents
to search for leaks.
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