SEE FIG. 11
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.
SEE FIG. 12
1.
Replace nozzle by 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. 12
DESN 510538
3mm
12
Burner Servicing
BURNER NOZZLE REMOVAL
BURNER NOZZLE REPLACEMENT
Fig. 11
DESN 512004
MODEL
COOKER
BOILER
NOZZLE
TYPE
BOM
CODE
NOZZLE
TYPE
BOM
CODE
440K
460K
480K
0.35 @
80° S
0.40 @
80° EH
0.40 @
80° EH
RO4M
998940
RO4M
998391
RO4M
998391
0.35 @
60° H
0.55 @
80° EH
0.65 @
80° EH
RO4M
998939
RO4M
998392
RO4M
998394
499K
0.40 @
80° EH
RO4M
998391
0.85 @
80° EH
RO4M
998395
Summary of Contents for Heatranger 440
Page 9: ...Cleaning Fig 6A 9...
Page 22: ...22 Fig 28 DESN 513150 Replacement of parts Electrical controls...
Page 30: ...30 Electrical Controls CONTROL CIRCUIT BOILER Fig 37 L1...
Page 31: ...31 Electrical Controls CONTROL CIRCUIT COOKER Fig 38 L2 L2 KB MODEL ONLY...
Page 32: ...32 Fault Finding WIRING DIAGRAM APPLIANCE 440 460 480K 499K Fig 39...
Page 37: ...Fault Finding 37 Fig 41A DESN 516838...
Page 38: ...38 Fault Finding...
Page 39: ...39 Fault Finding...
Page 40: ...40 Fault Finding...
Page 41: ...41 Fault Finding...
Page 43: ...43...