Yanmar 3TNV82A-B Service Manual page 226

ENGINE
Orient the piston
identification mark
stamped on top of the
piston on the fuel injection
pump side of the engine
Piston Installation - All TNV models - 82, 84(T),
88, 94, and 98(T)
When correctly assembled, the piston
identification mark (Figure 6-141, (2)) stamped
into the top of the piston will be on the same side
of the connecting rod as the match marks
(Figure 6-141, (4)) stamped into the connecting
rod and connecting rod cap.
When installed in the cylinder, the piston
identification mark (Figure 6-141, (2)) stamped
on the top of the piston must face the fuel
injection pump side (Figure 6-141, (1)) of the
engine and the embossed mark on the
connecting rod (Figure 6-141, (3)) must face the
flywheel end (Figure 6-141, (5)) of the engine.
(6)
(5)
1 – Fuel Injection Pump Side of Engine
2 – Piston Identification Mark
3 – Embossed Mark on Connecting Rod
4 – Rod and Cap Match Marks
5 – Flywheel End of Engine
6 – Camshaft Side of Engine
Figure 6-141
6-94
Orient the piston
identification mark
stamped on top of the
piston on the camshaft
side of the engine
(1)
(2)
(3)
(4)
Crankshaft and Camshaft Components
Piston Installation - Only TNV models 106(T)
When correctly assembled, the identification
mark (Figure 6-142, (2)) stamped into the top of
the piston will be on the opposite side of the
connecting rod as the match marks
(Figure 6-142, (4)) stamped into the connecting
rod and connecting rod cap.
When installed in the cylinder, the piston
identification mark (Figure 6-142, (2)) stamped
on the top of the piston must face the camshaft
side (Figure 6-142, (6)) of the engine and the
embossed mark on the connecting rod
(Figure 6-142, (3)) must face the flywheel end
(Figure 6-142, (5)) of the engine.
(6)
(2)
1 – Fuel Injection Pump Side of Engine
2 – Piston Identification Mark
3 – Embossed Mark on Connecting Rod
4 – Rod and Cap Match Marks
5 – Flywheel End of Engine
6 – Camshaft Side of Engine
Figure 6-142
TNV DI Service Manual
(1)
(5)
(3)
(4)