Overview Of The Steps To Be Taken And Maintenance Report - Wolf COB Series Maintenance Instructions Manual

Item Step
Date
1 Set the program selector to "Standby" on the BM programming module.
2 Pivot the control unit lid down and switch off the oil condensing boiler at the ON/OFF
switch.
3 Disconnect the system from the power supply.
4 Undo the screws on the left/right and unhook the front casing by lifting it upwards.
5 Pull the upper casing lid forwards and lift off.
6 Pivot the control unit downwards.
7 Unplug the central connector.
8 Loosen the three 6 mm Allen screws on the burner flange (do not unscrew them
completely).
9 Rotate the burner unit approx. 1 cm to the right.
10 Lift the burner unit upwards out of the combustion chamber lid and hang in place in
the maintenance position.
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 electrodes and place the mixer head to
one side.
13 Nozzle change with SW 16 open-ended spanner - counter the torque with second spanner.
14 Clean the mixer head; do not dismantle.
15 Push ignition cable onto ignition electrodes. Insert the mixer head until it reaches the
end-stop.
16 Checking with the setting gauge: mixer head inserted up to the end-stop.
17 Checking with the setting gauge: position of the ignition electrode OK.
18 Checking with the setting gauge: ignition electrode spacing OK.
19 Remove and empty the siphon. Place collecting vessel underneath the siphon
connection.
20 Undo the three wing screws on the combustion chamber lid.
21 Lift off the combustion chamber lid and place to one side.
22 Hook the maintenance tool into the combustion chamber at the top and pull out the chamber.
23 Rotate the maintenance tool 90°, hook into the lifting eye of the displacement device
and pull out.
24 Take the cleaning brush off the back wall and clean the heat exchanger.
25 Scrape off stubborn deposits with the cleaning hook.
26 Use a vacuum cleaner to remove dirt from the condensate pan or flush with water.
27 Clean, refill and refit the siphon.
28 Flush the neutralisation and condensate pump (if installed) with water.
29 Top up neutralisation granulate.
30 Replace the neutralising system's activated charcoal.
31 Reattach connecting lines.
32 Replace oil filter insert.
33 Position displacement device at the bottom and the combustion chamber on top using
the maintenance tool.
34 Replace combustion chamber lid seal ring.
35 Lubricate the seal ring on the combustion chamber lid with silicone grease.
36 Refit the combustion chamber lid and secure with wing screws.
37 Check oil/air connection gasket for damage and replace if necessary.
38 Take the burner unit out of the maintenance position and slide it into the combustion chamber.
39 Rotate the burner unit approx. 1 cm to the left and secure with three screws.
40 Plug in central connector.
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5. Overview of the steps to be taken
and maintenance report
Report item
11