Pratissoli MK Serie Manuel De Réparation page 56

Extract the outlet valve unit with an extractor hammer to be
applied on the M10 hole of the valve guide (pos. , Fig. 82).
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.
Take out the valve guide spacer using an 8 mm hex wrench
(pos. , Fig. 83).
Extract the suction valve unit with an extractor hammer to be
applied on the M10 hole of the valve guide (pos. , Fig. 84).
If removing the suction valve unit proves to be
particularly difficult (for example because of
incrustations due to prolonged inactivity of the
pump), use the extractor tool (code 27516200
(versions with Piston Ø: 40 - 45 - 50) or code
27516300 (versions with Piston Ø: 55 - 60- 65.
Fig. 82
Unscrew the valve opening device by means of a 30 mm
spanner (pos. , Fig. 86).
Remove the suction and outlet valve units, unscrewing an M10
screw in such a way to press on the inner guide and remove
the valve guide from the valve housing (pos. , Fig. 87).
Fig. 83
Fig. 84
56
Fig. 85
Fig. 86
Fig. 87