Pratissoli MK Serie Manuel De Réparation page 65

Position the spray-guard together with the O-ring in the
housing on the piston guide (pos. , Fig. 134 and Fig. 135).
Insert the Ø10x18x0.9 washer in the piston fixing screw
(pos. , Fig. 136).
Install the pistons on their respective guides (pos. , Fig. 137)
and fasten them as per pos. , Fig. 138.
Fig. 134
Fig. 135
Calibrate the screws with a torque wrench as indicated in
chapter 3.
Insert the O-ring inside the pump casing (pos. , Fig. 139)
and then the previously-assembled liner-seal support block
(complete with the same O-ring) to end stroke (pos. ,
Fig. 140).
Fig. 136
65
Fig. 137
Fig. 138
Fig. 139