SEE FIG. 14
1. Disconnect ignition leads.
2. Remove two socket head screws.
3. Remove head assembly complete.
4. Remove ignitor assembly, by removing countersunk
screw and clamp.
5. Unscrew nozzle from its holder with a correctly fitting
tubular spanner to avoid damage to hexagon.
Follow instructions in BURNER ACCESS, Steps 1 to 2, and
BURNER NOZZLE REMOVAL, Steps 1 to 5.
SEE FIG. 14
1. Disconnect ignition leads.
2. Remove 2 socket head screws.
3. Remove head assembly complete.
4. Remove ignitor assembly by removing countersunk
screw and clamp.
5. Fit new ignition electrode assembly, re-assemble in
reverse order.
6. Check electrode gap and re-set if necessary.
SEE FIG. 15
1. Replace nozzle by a new one of the same make and
specification.
2. Ensure that mating faces are clean.
3. Hold nozzle holder with correct spanner when
tightening nozzle.
4. Typically finger tight plus 1/4 turn with spanner is
sufficient.
DO NOT OVERTIGHTEN.
5. Ensure electrode gaps are correct.
10
Burner Servicing
BURNER NOZZLE REMOVAL
BURNER NOZZLE REPLACEMENT
FIG. 14 DESN 514823
3mm
FIG. 15 DESN 510538
IGNITOR REMOVAL
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