Burner Nozzle Removal - Stanley Alpha 120 Servicing Instructions

BURNER NOZZLE REMOVAL

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.
IGNITOR REMOVAL
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.
BURNER NOZZLE REPLACEMENT
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.
FIG. 14
FIG. 15
10
Burner Servicing
DESN 514823
3mm
DESN 510538