Yanmar 3TNV82A Service Manual page 160

ENGINE
3. Disconnect the coolant hoses from the cold
start device (Figure 6-3, (1)) on the fuel
injection pump.
Figure 6-3
4. Remove the intake manifold bolts
(Figure 6-4, (1)). Remove the intake manifold
(Figure 6-4, (2)). Discard the intake manifold
gasket (Figure 6-4, (3)).
(2)
(1)
Figure 6-4
6-34
(1)
0002087A
(5)
(4)
(5)
(6)
(7)
(3)
0001682
5. Remove the exhaust manifold bolts
(Figure 6-4, (4)) and nuts (Figure 6-4, (5)).
Remove the exhaust manifold (Figure 6-4, (6))
and the exhaust manifold gasket
(Figure 6-4, (7)).
6. Remove the coolant pump. See Disassembly of
Engine Coolant Pump on page 8-10.
7. Remove the high-pressure lines and fuel
injectors from the cylinder head. See Removal
of Fuel Injectors on page 7-31.
Removal of Valve Cover
1. Remove the valve cover nuts (Figure 6-5, (1)).
2. Remove the O-ring (Figure 6-5, (2)) on each
valve cover nut.
(1)
(2)
(4)
Figure 6-5
3. Remove the valve cover (Figure 6-5, (3)) and
the valve cover gasket (Figure 6-5, (4)).
TNV DI Service Manual
2-Valve Cylinder Head
(3)
0001920