Metric Bolt Specifications Bolting Into Cast Aluminum; Flare-Type Hydraulic Fittings - MacDon R85 Operator's Manual

7.2.3 Metric Bolt Specifications Bolting into Cast Aluminum
Table 7.9 Metric Bolt Bolting into Cast Aluminum
Nominal 8.8
Size (Cast Aluminum)
ft·lbf
M3
M4
M5
M6 6
M8 14
M10 28
M12 52
M14
M16

7.2.4 Flare-Type Hydraulic Fittings

1. Check flare and flare seat for defects that might
cause leakage.
2. Align tube with fitting before tightening.
3. Lubricate connection and hand-tighten swivel nut
until snug.
4. To prevent twisting the tube(s), use two wrenches.
Place one wrench on the connector body and with the
second, tighten the swivel nut to the torque shown.
169457
MAINTENANCE AND SERVICING
Bolt Torque
10.9
(Cast Aluminum)
N·m ft·lbf N·m
1
2.6
5.5
9 9
20 20
40 40
70 73
4
8
12
28
Figure 7.4
55
A - Nominal Size
100
Figure 7.5
A - Flare
C - Flareseat
105
B - Nut
D - Body
Rev. F