Stovax PR0919 Stove User Manual


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SERVICING INSTRUCTIONS
REPLACING PARTS
8. PILOT UNIT ASSEMBLY
8.1 The pilot assembly consists of four components which can
be individually changed:
1. Pilot burner bracket
2. Pilot injector
3.Electrode
4. Thermocouple
Before commencing work on the pilot the Main Control
Assembly must be removed, see Section 7 above.
8.2 Pilot Burner Bracket
• Removetheelectrode,seeparagraph8.3
• Removethethermocouple,seeparagraph8.5
• Removethepilotpipe
• Removethetwoscrewedsecuringthebracket
The pilot burner bracket can now be removed.
• Replaceinreverseorder
• Checkthepilotgasketandifdamaged,replacewitha
new one
8.3 Electrode
• Pulltheignitionleadofftheelectrodeandundothe
retaining nut, Diagram 15
15
AR1349
• Replacewithanewelectrode.Donotover-tightenthe
nut; this could break the component
• Replacetheignitionlead
16
AR1874
A
B
8.4 Pilot Injector
• Undothepilotpipefromthegasvalveandfromthe
underside of the pilot burner, Diagram 16
•Removethepipeandtheinjectordropsoutfromthe
burner
8.5 Thermocouple
• Disconnectthethermocouplefromthegas
valve/interrupter, Diagram 16, Arrow B
• Undothethermocouplenutinthebackofthepilot
bracket half a turn. This releases the thermocouple.
Whenreplacingwithanewthermocouple,takecareto
bend the new component to the same shape as the
thermocouple just removed.
To refit the thermocouple into the pilot bracket, ensure it is
pushed fully into the hole. There is a stop on the
thermocouple to set the height.
• Locktheretainingnutjustenoughtogripthe
thermocouple
• Connectthethermocoupletothevalve/interrupterand
take care not to over-tighten
9. IGNITION LEAD
17
AR1872
9.1 To replace the ignition lead:
• ReleasetheMainControlAssemblyandtiltbackwards, 
see Section 7 above
• Removetheignitionleadfromthecontrolbox,Diagram
17
• Removetheignitionleadfromtheelectrode,Diagram17
Note the direction of the lead. The new lead must follow
exactly the same route.
NOTE: THE IGNITION LEAD MUST NOT PASS IN
FRONT OF THE CONTROL BOX AS THIS CAN DAMAGE
THE SENSITIVE ELECTRONICS.
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