Küppersbusch GKS 644.0, Техническое руководство

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For internal use only
12 Service Manual GKS 324.0 + GKS 644.0
4. Changing of Components
4.1 Disassembly of the Hob
• To remove the glass surface, lift out the ribbed plates and burner lid.
• Remove the control knobs.
• Unscrew the circumferential fastening screws of the base trough.
• Then lift out the glass surface with the frame towards the top.
• Now all internal technical components are accessible.
4.2 Changing of Components
1. Ignition device
The ignition transformer is fastened on the left-hand side of the base trough by means of adhesi-
ve tape which is supplied with the ignition transformer.
The spark plugs are fastened from the underside of the burner head by means of 1 screw each.
To remove these spark plugs the gas supply line to the burner head must be loosened and the
burner head screwed off from the underside of the appliance. Disassemble the spark plug by lif-
ting the burner head.
The ignition switches are fastened at the gas tap by means of plastic brackets.
2. Thermoelectric safety pilot
The thermodetectors are fastened at the burner head by means of a union nut 13 mm SW and
at the gas tap by means of a screw 8 mm SW. For disassembly undo both screw connections
and remove the thermoelement.
In order to replace the solenoid inserts remove the thermoelement from the gas tap. Undo the
union nut 13 mm SW at the gas tap. Pull solenoid inserts out of the gas tap.
After reassembly carry out a leakage test.
3. Gas taps
In order to change the gas taps separate the ignition switch by force, remove the fastening
bracket of the gas tap by undoing 2 screws and lift the float rail by loosening the screws at the
underside of the appliance. After reassembly carry out a leakage test.