Pratissoli LK Serie Manuel De Réparation page 56

Unscrew and remove the 8 M16x55 screws of the valve cover
(pos. , Fig. 106) and remove the cover (pos. , Fig. 107).
Extract the valve plug with the use of an extractor hammer to
be applied on the M10 hole of the valve plug (pos. , Fig. 108).
Fig. 105
Remove the spring (pos. , Fig. 109).
Fig. 106
Extract the outlet valve unit with an extractor hammer to be
applied on the M10 hole of the valve guide (pos. , Fig. 110).
Fig. 107
If removing the outlet valve unit proves to be
particularly difficult (for example because of
incrustations due to prolonged inactivity of the
pump), use the extractor tool (code 27516400.
56
Fig. 108
Fig. 109
Fig. 110