Yeoman and servicing Bedienerhandbuch PDF herunterladen (Seite 37)

SERVICING INSTRUCTIONS

REPLACING PARTS

AR1604

7.5 To remove the electrode, disconnect the ignition lead and

undo the retaining nut. The electrode can now be removed,

note the orientation of the electrode terminal when

reassembling. See Diagram 23.

AR0616

7.6 To remove the thermocouple, undo the retaining nut and

withdraw the thermocouple. Undo the thermocouple from

the back of the gas valve, see Diagram 24. Reassemble in

reverse order. Do not overtighten.

AR1617

7.7 To remove the gasket, disconnect all the above components

and withdraw the gasket. If it is damaged, replace with a

new item. Always replace the gasket first when reassembling

the pilot components.

8. IGNITION LEAD

8.1 Gain access to the back of the pilot assembly, see Section 7

above and disconnect the ignition lead from the electrode.

8.2 Cut the cable tie securing the vida flex (if present) and pull

the lead through the vida flex.

8.3 If necessary cut any cable ties and disconnect the lead from

the control box (see Diagram 25).

AR2506a

Ignition lead

connection

8.4 Replace in reverse order.

8.5 Ensure the lead is passed through the vida flex, secured with

a cable tie and the red insulated end is attached to the

electrode.

Note the direction of the lead. The new lead must follow

exactly the same route.

9. GAS VALVE

Gas Inlet

Supply Pipe

Interrupter Lead Set

(Note position of red

tag lead)

Thermocouple

Connection

Pilot

Pipe

Gas

Outlet

Pipe

Earth

Connection

Stepper

Plug

Valve

Fixings

AR2505

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