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4. Maintenance procedure
Allen screw
11. Undo the 4 mm Allen screw on the mixer head and
remove the mixer head.
12. Pull the ignition cable away from the ignition electrode
and place the mixer head to one side.
Ignition cable
13. Nozzle change with SW 16 open-ended spanner.
When attaching or detaching the nozzle, counter the
torque with a second SW16 open-ended spanner.
Note: Always use a Wolf original spare parts nozzle
(see page 5)
Risk of burning through hot components
10. Lift the burner unit upwards out of the combustion
chamber lid and hang in place in the maintenance
position, as shown in the gure.
14. Clean or replace the ame light tube end piece on the
mixer head
Never remove or dismantle the mixer head;
this applies particularly to the brass washer.
Flame light tube
end piece, mixer
head
Sight tube,
ame monitor
15. Plug in the ignition cable
Insert the mixer head until it reaches the end-stop. The
ame light tube end piece of the mixer head must be
aligned with the ame monitor sight tube.
Secure again using a 4 mm Allen screw
Boiler Mixer head
versions
Oil nozzle
Part no.
COB-15 Standard Danfoss 0,30/80°S 89 06 588
COB-20 Standard Danfoss 0,40/80°S LE 89 05 812
COB-29 Standard Danfoss 0,55/80°S LE 89 05 839
COB-40
Standard Danfoss 0,65/80°S LE 89 06 619
Pipe Danfoss 0,55/80°S LE 89 05 839
Standard Pipe
Mixer head versions:
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