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| Remove the dust guard -1 from the coupling -2- so you can assemble the unblocking tool. |
Note t
| The insulating pipe of the low pressure piping should be at a distance -a- of at least 20 mm from the coupling. If it is not, you will not be able to asemble the unblocking tool. |
t
| If necessary, after removing the dust guard cover, carefully make an axial cut in the insulating pipe and fold it forwards. |
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