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Metric Bolt Specifications Bolting into Cast Aluminum
Table 6.9 Metric Bolt Bolting into Cast Aluminum
Bolt Torque
8.8
(Cast Aluminum)
10.9
(Cast Aluminum)
Nominal
Size (A)
N·m
ft·lbf
N·m
ft·lbf
M3
–
–
–
1
M4
–
–
4
2.6
M5
–
–
8
5.5
M6
9
6
12
9
M8
20
14
28
20
M10
40
28
55
40
M12
70
52
100
73
M14
–
–
–
–
M16
–
–
–
–
Figure 6.9: Bolt Grades
Flare-Type Hydraulic Fittings
1.
Check flare (A) and flare seat (B) for defects that might
cause leakage.
2.
Align tube (C) with fitting (D) and thread nut (E) onto
fitting without lubrication until contact has been made
between the flared surfaces.
3.
Torque the fitting nut (E) to the specified number of
flats from finger tight (FFFT) or to a given torque value
in Table
6.10 Flare-Type Hydraulic Tube Fittings, page
4.
Use two wrenches to prevent fitting (D) from rotating.
Place one wrench on the fitting body (D) and tighten
nut (E) with the other wrench to the torque shown.
5.
Assess the final condition of the connection.
Figure 6.10: Hydraulic Fitting
147913
100
Revision A
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