SELVA MARINE Blue Whale 250 EFI, Service Manual

Page: 64 / 377

SPEC
Specification
2-15
6P23H11
General torque
This chart specifies tightening torques for
standard fasteners with a standard ISO
thread pitch. Tightening torque specifications
for special components or assemblies are
provided in applicable sections of this man-
ual. To avoid warpage, tighten multi-fastener
assemblies in a crisscross fashion and pro-
gressive stages until the specified torque is
reached. Unless otherwise specified, torque
specifications require clean, dry threads.
Components should be at room temperature.
Manual valve — 2 0.2 1.5
Pipe joint — 15 1.5 11.1
Pipe joint adapter — 20 2.0 14.8
Gear pump bolt M5 7 0.7 5.2
Gear pump bracket bolt M5 7 0.7 5.2
Trim cylinder end screw — 160 16 118.0
Tilt ram — 55 5.5 40.6
Tilt cylinder end screw — 90 9.0 66.4
Tilt piston bolt M6 7 0.7 5.2
Part to be tightened Thread size
Tightening torques
N · m kgf · m ft · lb
Nut (A) Bolt (B)
General torque
specifications
N · m kgf · m ft · lb
8 mm M5 5 0.5 3.7
10 mm M6 8 0.8 5.9
12 mm M8 18 1.8 13.3
14 mm M10 36 3.6 26.6
17 mm M12 43 4.3 31.7