
6
SERVICING INSTRUCTIONS
MINOR ADJUSTMENTS
Access to By Pass Screw
Access to manifold, gas taps and
burner assembly
-
Light the burner and turn to minimum
setting (marked small flame).
-
The flame should be stable on
minimum setting and should not
extinguish when passing from
maximum setting to low setting.
-
If adjustment is necessary, remove
the control knob by pulling upward.
The bypass screw is accessible via
the control knob spindle. Turn the
bypass screw anti-clockwise to
increase the turn-down rate.
-
Remove glass hob and control knobs.
-
To remove gas cocks. Unscrew the
locking nut (between cock and burner).
Remove screws, the cock can now be
removed from the manifold. If access to
the barrel is required, remove two screws
which retain spindle to body. If
lubricating the mechanism use Regosine
Moly LM or other approved grease.
To replace electrode.
-
Remove screw from the clamp holding
the electrode and thermocouple and note
the adjustment setting height of each.
Replace electrode and then fit clamp and
screw.
FAULT ISOLATION CHART
FAULT CAUSES
REMEDY
Burner will not light
1. Air in gas line
2. Blockage in line
3. Ignition not sparking
4. Flame failure device faulty
5. Check the battery
(applicable to DC version)
1. Purge gas line
2. Trace back and clear
3. Check lead and electrode
4. Replace
thermocouple
and test
5. Replace the battery
Burner lights back to injector
1. Excessive lint up of
burner mixing tube
2. Excessive gas pressure
1. Remove and clean burner
2. Check gas regulator
pressure. Adjust if
necessary.
Burner has explosive ignition
1. Excessive gas pressure
1. Check gas regulator
pressure. Adjust if
necessary.
Ignitor not sparking
1. Electrode gap
2. Ignitor
connections
1. Check gap, adjust if not
between 4-5mm
2. Check connections to
ignitor, replace if faulty.
If any problems cannot be rectified please contact the agent in your state or the gas supply
of the authority service department.