38
icos
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Installation & Servicing
SERVICING
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Copper
washer
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Rubber
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ded
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59 BURNER INJECTOR REPLACEMENT
1.
Refer to Frame 52.
2.
Remove the boiler front and sealing panels. Refer to
Frames 45 & 46.
3.
Remove the fan / venturi assembly. Refer to Frame 47.
4.
Remove the 2 injector housing screws.
6.
Withdraw the injector housing.
7.
Fit the new injector housing, complete with injector.
8.
Reassemble in reverse order, ensuring that the new
gas seal supplied is located correctly in the injector
housing.
9.
Check operation of the boiler. Refer to Frame 52.
60 GAS CONTROL VALVE REPLACEMENT
1.
Refer to Frame 52.
2.
Remove the boiler front, bottom and sealing
panels. Refer to Frames 45 & 46.
3.
Unplug the electrical lead from the gas control
valve and disconnect the earth wire.
4.
Undo the sensing tube connection from the gas
control valve.
5.
Undo the union nut between the gas valve and
the gas inlet cock.
6.
Undo the union nut on the outlet side of the gas
control valve.
7.
Undo the gas valve bracket screw, slide the gas
valve forward and remove.
8.
Remove the valve fixing bracket.
9.
Transfer the mounting bracket and gas inlet pipe
to the new gas control valve.
10.
Fit new gas control valve, ensuring that any seals
showing damage or deterioration are replaced.
11.
Reassemble in reverse order.
12.
Ensure the sensing tubing is correctly replaced.
13.
Check operation of the boiler. Refer to Frame 52.
58 SPARK GENERATOR REPLACEMENT
1.
Refer to Frame 52.
2.
Disconnect the leads from the spark
generator and bracket.
3.
Remove the M4 screw securing the
spark generator bracket to the casing
side panel.
4.
Remove the 2 M4 screws securing the
spark generator to the bracket.
5.
Fit the new spark generator and re-
assemble in reverse order.
6.
Check operation of the boiler. Refer to
Frame 52.
nm8244
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VICING
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202414-6.pmd
19/02/2008, 13:07
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Содержание HE30
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