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9.2
Replace external nozzle
Screw to attach sleeve
Set primary air = dimension H in mm
Primary air sleeve
Nozzle holder
External nozzle
Heat-resistant securing lacquer
Remove front panels, refer to page 45 Chapter 10.6!
.
Determine external nozzle, refer to information in the table, page 39 Chapter 9.1.2
.
Set primary air, refer to information in the table, page 39 Chapter 9.1.2
.
Apply heat-resistant securing lacquer on attachment screws and primary sleeve.
.
Check all gas-bearing parts for tightness.
9.3
Replace fine-adjustment nozzle
Remove front panels, refer to page 45 Chap
ter 10.6!
.
Determine fine-adjustment nozzle, refer to
page 39 Chapter 9.1.2
.
Check all gas-bearing parts for tightness.
9.4
Replace pilot burner nozzle
Remove front panels, refer to page 45 Chap
ter 10.6!
.
Determine pilot burner nozzle, refer to page 39
Chapter 9.1.2
.
Adjust correctly the pilot flame, by turning the
primary air sleeve, until the flame ist stable.
.
Check all gas-bearing parts for tightness.
Fine-adjustment nozzle
(bypass screw)
Pilot burner
nozzle
Locking screw
Compression
spring
Natural gas
= 50 %
Primary
air sleeve
Liquid gas =
100 %