IHI NIIGATA MG(L)26HLX, Instruction Manual

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S E C T I O N
３
- M A I N T E N A N C E
3.1 G E N E R A L
３－１－０２
3.1.2 Definition and technical term
(1) Position of observer for defining the rotational direction and identifying
the cylinders.
Fig. Position of observer
(2) Rotation direction
The observer denotes the two rotational directions of the crankshaft of the
engine as "clockwise" and "counter-clockwise" as following figure.
Fig Rotation direction
(3) Identification of the cylinder
Identification of the cylinder is described 1,2,3
・・・
, and of the bank is
described A,B
・・
.
a) In line type engine
The cylinder 1 is the first cylinder located the nearest by the observer
as following. (see T.G.O.S.
［
Timing Gear Opposite Side
］
)
Fig. Identification of the cylinder of in-line type engine