Ambirad VISION COMPACT VC20 Panduan Pengoperasian, Pemeliharaan, dan Servis - Halaman 13

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Halaman Cetak

Burner head, Injector and Electrode

assembly

Figure 20

Remove the screws securing the combustion

chamber cover. Lift off thelid and gasket

checking the gasket for signs of splitting,

and replace on re-fit as required.

Figure 21

Using a screwdriver through the holes in the

burner head, slacken then unscrew the

burner head.

Figure 22

Slacken with a spanner, then unscrew the

injector from its carrier. If servicing the

injector, blow through orifice, never drill or

broach out or use wire to clean. Replace if

blocked.

Replace burner head and injector if

necessary and re-fit components in reverse

order of removal.

Electrode assembly

Figure 23

Remove the air grille or ducted air

attachement from the side of the burner

assembly.

Figure 24

Remove the screws securing the electrode

assembly to the side of the burner assembly.

Examine the electrode assembly and if in

not good condition replace as necessary by

removing the screws as indicated and

disconnection of leads from wiring harness.

On service or replacement of the electrode

assembly check the spark electrode gap is

3.5mm = or -0.5mm.

Gas valve

Follow instructions for replacment of burner

head and injector then proceed as follows:

Disconnect connectors on gas valve from

wiring harness and remove silicon tube.

Figure 25

Remove the four screws securing the gas

valve to the burner assembly. The gas valve

can now be replaced.

After re-fitting in reverse order of removal,

and prior to fitting the controls cover,

ensure all joints are gas tight, and set burner

pressure to that indicated on the data

badge.

Vacuum switch

Figure 26

Disconnect the two silicon rubber tubes and

the electrical connectors.

Figure 27

Remove the vacuum switch bracket screws

the unscrew pressure from the bracket.

Re-fitting in reverse order of removal, then

ensure connections are made as indicated in

the diagram below.