5. Inspection and servicing of basic engine parts
121
5.4 Connecting rod
The connecting rod is made of high-strength forged
carbon steel.
The large end with the aluminium metal can be
separated into two and the small end has a 2-layer
copper alloy coil bushing.
5.4.1 Inspecting the connection rod
(1) Twist and parallelism of the large and small
ends
Insert the measuring tool into the large and small ends
of the connecting rod. Measure the extent of twist and
parallelism and replace if they exceed the tolerance.
mm
Standard
Limit
Connecting rod
twist and
parallelism
Less than 0.03
per 100 mm
0.08
Piston pin bushing
Crank pin metal
Connecting rod bolt
Connecting rod
Connecting rod
(bid end cap)
(Twist and parallelism measurement)
Mandrel
Parallelism
Twist
100 mm
100 mm
Connecting rod
aligner
Twist measurement using
a connecting rod aligner
(
)
Содержание 3YM30
Страница 1: ...M9961 03E101 3YM30 3YM20 2YM15...
Страница 22: ...1 General 1 4 Engine outline 1 3YM30 with KM2P 1 marine gear 6R1...
Страница 23: ...1 General 2 3YM30C with SD20 sail drive 7R1...
Страница 24: ...1 General 3 3YM20 with KM2P 1 marine gear 8...
Страница 26: ...1 General 5 2YM15 with KM2P 1 marine gear 9 2R1...
Страница 27: ...1 General 6 2YM15C with SD20 sail drive 185 9 3R1...
Страница 30: ...1 General 3 2YM15 with KM2P 1 marine gear 11 2R1...
Страница 31: ...1 General 11 3R1 4 2YM15C with sale drive SD20...
Страница 46: ...2 Inspection and adjustment 26 Cylinder head Bracket Fuel filter Fuel pipe Fuel injection pump Clamp Fuel pipe...
Страница 160: ...6 Fuel injection equipment 139 6 1 3 Fuel injection pump structure Section of a fuel injection pump governor for 3YM30...