Yamaha EF2800i - Inverter Generator, Service Manual

Page: 97 / 103

5-8
SPEC
GENERAL TORQUE
SPECIFICATIONS
This chart specifies torque for standard fasten-
ers with standard I.S.O. pitch treads. Torque
specifications for special components or
assemblies are included in the applicable sec-
tions of this book. To avoid warpage, tighten
multifastener assemblies in a crisscross fash-
ion, in progressive stages, until full torque is
reached. Unless otherwise specifications call
for clean, dry treads. Components should be at
room temperature.
DEFINITION OF UNITS
Tread size
Tightening torque
Nm m·kg ft·lb
M4 2 0.2 1.4
M5 3 0.3 2.2
M6 7 0.7 5.1
M7 10 1.0 7.2
M8 15 1.5 11
M10 30 3.0 22
M12 60 6.0 43
Unit Read Definition Measure
mm Millimeter 10
-3
meter Length
cm Centimeter 10
-2
meter Length
kg Kilogram 10
3
gram Weight
N Newton 1 kg
×
m/sec
2
Force
Nm Newton meter N
×
m Torque
m·kg Meter kilogram m
×
kg Torque
Pa Pascal N/m
2
Pressure
N/mm Newton per millimeter N/mm Spring rate
L Liter
— Volume or capacity
cm
3
Cubic centimeter
r/min Rotation per minute — Engine speed
GENERAL TORQUE SPECIFICATIONS/
DEFINITION OF UNITS