Yunca Gas LEEDZ Operations, Maintenance & Warranty Information page 17

Pilot will not stay
lit
Pilot burning no
gas to burners
Back burner
stays on when
switched to off
position.
25-07-01
Incorrect operation.
Weak or improperly
located pilot flame.
Thermocouple not
properly connected.
Defective
thermocouple.
Faulty control valve.
Burner injectors may
be blocked.
Faulty control
Build up on the control
valve.
Page 17 of 22
Operator not following correct
lighting procedure, see lighting
instructions.
Adjust the height of the
thermocouple
(using the brass nut at its base)
The flame should engulf the top
8mm of the thermocouple.
Check back of main control where
thermocouples copper tube enters
the control. Tighten brass collar nut.
Replace thermocouple
A new thermocouple may be
ordered through your YUNCA agent.
(See parts list.)
A replacement may be fitted by a
suitably qualified service person.
(See parts list).
Disconnect gas supply at burners
and unscrew brass injectors from
end of burner. Use compressed air
to clean out orifice.
Control requires replacement.
Disassemble the control valve by
removing the two screws below the
cover. Extract the control valve, note
the position. Clean the control valve
clean and re-assemble. Test
operation.
Operation Instructions for Leedz Free Standing July 2001.doc