Pratissoli SS64 Serie Manuel De Réparation page 30

2.2.11 Piston spacer reassembly (SW64)
A) Fit the spacer (Fig. 49) and tighten on the piston guide rod.
3 SCREW TIGHTENING CALIBRATION
Screw tightening must only be performed with a torque wrench.
Description
Cover fixing screws
Oil drain plug
Con-rod cap fixing screws
Lifting bracket fixing screw
Piston guide rod fixing screw
Flange fixing screw SAE B
Rpm counter screw
Stud Bolt M7
Piston spacer
Piston fixing screws
Screws fixing cover of outlet
valve
Screws fixing cover of inlet
valve
Head fixing screws
Pressure gauge application
plug
G1/8 head plug
* The con-rod cap fixing screws must be tightened simultaneously, respecting the phases indicated on page 20.
** The head fixing screws must be tightened with a torque wrench respecting the order shown in the diagram in Fig. 50
and Fig. 51.
*** The valve cover fixing screws must be tightened with a torque wrench respecting the order shown in the diagram in
Fig. 50 and Fig. 51.
**** The stud bolt M7 exploded view pos. 35, is to be mounted on the spacer exploded view pos. 34 with LOCTITE 243 code
12006400.
Fig. 49
Exploded view Exploded
position SS64 view position
SN6416
SN6418
44 46
31 51
41 43
67 69
52 -
71 72
75 76
- -
- -
14 26
22 20
10-13 -
13 25
31 -
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30
In the event that replacement is being carried
out with the wiper already assembled, lubricate
the spacer and take care, during insertion, not to
damage the wiper seal lip.
For the tightening torques, follow the instructions in chapter 3.
Exploded view Exploded view
position SN64 position SW64
42
47
39
65
-
69
73
-
-
14
22
10-13
13
66
-
Tightening
torque Nm
50 10
31 40
47 20*
73 40
58 10
77 22
81 10
35 10****
34 20
14 20
120***
22
180 (SN6416
and SN6418)
10-13 120***
13 120**
31 40
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