Diagrams and symbols have been widely used to give a clearer and more immediate illustration of the subject being dealt with, (see
next page) instead of giving descriptions of some operations or procedures.
Example
Ø 1 = housing for connecting rod small end bush
Ø 2 = housing for connecting rod bearings
α
Tighten to torque
Tighten to torque + angular value
1
∅
∅
2
NEF ENGINES 3
SPECIAL REMARKS
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