3
SCREW TIGHTENING CALIBRATION
Description
Exploded
view pos.
Cover Fixing
9
Screw
Piston Fixing
29
Con-Rod Cap
16
Fixing Screw
Head Fixing
39
Screw
Valve cover screw
40
Lifting bracket
57
fixing screw
Oil drain plug
11
Outlet duct plug
59
*
The con-rod cap fixing screws must be tightened
respecting the phases indicated on pag. 18.
**
The head fixing screws exploded view pos. 39 must
be tightened with a torque wrench, lubricating the
threaded shank, respecting the order shown in the
diagram in Fig. 24.
***
The valve cover fixing screws exploded view pos. 40
must be tightened with a torque wrench, lubricating
the threaded shank, respecting the order shown in
the diagram in Fig. 24.
Material
Tightening
torque Nm
8.8
10
AISI 416
20
12 R
30*
12.9
80**
12.9
120***
8.8
40
Nickel-
40
plated
brass
AISI 316L
40
Fig. 24
23