Yanmar 3TNV82A Service Manual page 171

2-Valve Cylinder Head
6. Tighten the rocker arm shaft alignment studs.
7. Adjust the valve clearance. See Measuring and
Adjusting Valve Clearance on page 6-60.
Reassembly of the Valve Cover
1. Lightly grease a new valve cover gasket
(Figure 6-35, (4)). Place the gasket in the
groove of the valve cover (Figure 6-35, (3)).
2. Place the valve cover on the cylinder head.
3. Be sure new O-rings (Figure 6-35, (2)) are
installed on the valve cover nuts. Reinstall and
tighten the valve cover nuts (Figure 6-35, (1)).
4. Reinstall the exhaust manifold using a new
gasket. Tighten the bolts to the specified
torque.
(1)
(2)
(4)
Figure 6-35
5. Reinstall the intake manifold using a new
gasket. Tighten the bolts to the specified
torque.
6. Reinstall the fuel injectors. See Installation of
the Fuel Injectors on page 7-37.
7. Reinstall the high pressure and the return fuel
injection lines. See Installation of the Fuel
Injectors on page 7-37
8. Reinstall the engine coolant pump. See
Reassembly of Engine Coolant Pump on
page 8-11.
9. Reinstall the coolant hoses on the cold start
device on the fuel injection pump.
10. Reinstall the alternator. See Installation of
Alternator on page 12-16.
TNV DI Service Manual
(3)
0001920
ENGINE
6-45