AIC COILMASTER 100, Installation And Maintenance Manual For The Installer And The User

Page: 68 / 94

I-68
G-084383_EN • 03
M
aintenance
Removing and Installing the Burner -
CM 100 - 120
Conditions:
î
Fan and air-gas mixer assembly removed, refer
to “Removing and Installing the Fan and Air-
Gas Mixer Assembly” on page I-64 .
î
Electrodes removed, refer to “Removing and
Installing the Ignition and Ionisation Elec -
trodes” on page I-63
Tools and material:
î
Wrench, hex head, size 4
î
Torque wrench
î
Air compressor
Removal Procedure:
1. Release five nuts securing the fan plate (
1
).
Remove the fan plate (
1
) and its hardware.
Retain for reinstallation.
2. Remove six screws and washers (
5
) to re-
move the burner tube (
3
) and gasket (
2
) from
the fan plate. Discard the gasket.
Cleaning and Checks:
1. Visually check the condition of the burner
tube (
3
).
2. Clean with compressed air to remove residues.
If it is in bad condition after cleaning, replace it.
3. Clean the combustion chamber, see “Check -
ing and Cleaning the Combustion Cham -
ber” on page I-70 .
OFF
Installation procedure:
1. Install burner tube (
3
) and new gasket (
2
)
on fan plate (
1
) using 6 retained screws and
washers (
5
).
2. Position fan plate (
1
) on heat exchanger.
3. Install four screws and torque in a crosswise
pattern at 5 to 6 Nm.
Follow-on tasks:
1. Reinstall the fan and air-gas mixer assembly, re-
fer to “Removing and Installing the Fan and
Air-Gas Mixer Assembly” on page I-64 .
2. Reinstall the electrodes, as required. Refer to
“Removing and Installing the Ignition and
Ionisation Electrodes” on page I-63 .
3. Reinstall all removed access panels, refer
to “Removing and Installing the Access
Panels” on page I-31.
4. Restart the appliance, see “Restarting after
Maintenance” on page I-60 .