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When changing the main nozzle the nozzle’s thread should be cleaned and greased.
is enables the nozzle to be easily loosened by hand (using the assembly key RB25189) and just as easily
tightened again.
When tting the nozzle make sure that the fun-
nel gets pushed on in the right position.
(See picture.)
If the funnel is not properly tted rst, the nozzle
cannot be screwed into the manifold head.
WARNING!
When tting the new nozzle,
make sure that the nozzle
gets fully screwed in, that
the main secondary nozzle
points downwards (6 o’clock position) and that
the sealing ring is correctly tted (gure 5).
wrong position correct position
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