AIC N 100 WH, Руководство по установке и обслуживанию

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I-54
Z-038791_EN • Rev A
M
aintenance
Removing and Installing the Burner
Conditions:
î
Fan and air-gas mixer assembly removed, refer
to “Removing and Installing the Fan and Air-
Gas Mixer Assembly” on page I-52.
î
Electrodes removed, refer to “Removing and
Installing the Ignition and Ionisation Elec -
trodes” on page I-51
Tools and material:
î
Wrench, hex head, sizes 3 (N 60 & 80 WH) and
4 (N 100 & 120 WH)
î
Torque wrench
î
Air compressor
Removal Procedure:
1. Release six screws securing the burner door
(
1
). Remove the burner door (
1
) and its hard-
ware. Retain for reinstallation.
2. Remove six screws and washers (
5
) to re-
move the burner tube (
3
) and gasket (
2
) from
the burner door. Discard the gasket.
3. Remove carefully the burner door insulation
plate (
4
).
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. Visually check the condition of the burner
door insulation plate (
4
). If the fabric cover is
damaged, replace the insulation plate.
4. Clean the combustion chamber, see “Check -
ing and Cleaning the Combustion Cham -
ber” on page I-56 .
OFF
Installation procedure:
1. Install the burner door insulation plate (
4
).
2. Install burner tube (
4
) and new gasket (
2
) on
burner door (
1
) using 6 retained screws and
washers (
5
).
3. Position burner door (
1
) on heat exchanger.
4. Install six screws and torque in a crosswise
pattern at 5 to 6 Nm.
Follow-on tasks:
1. Reinstall the fan and air-gas mixer assembly,
refer to “Removing and Installing the Fan
and Air-Gas Mixer Assembly” on page
I-52
2. Reinstall all removed access panels, refer
to “Removing and Installing the Access
Panels” on page I-28.
3. Restart the appliance, see “Restarting after
Maintenance” on page I-50.