Components; Disassembly Procedure - Komatsu 4D98 Series Shop Manual

4. Engine Body
4.2 Cylinder Head
Components
(Note) This figure shows the 4TNE94.98.
Disassembly procedure:
Disassemble in the order of the numbers shown in the illustration.
Remove the alternator assy. (Point 7)
Remove the fan, pulley and V belt.
Remove the thermostat case. (Point 2)
Remove the fuel filter and fuel oil piping. (Point
3)
Remove the oil level gage assy.
Remove the oil filter. (Point 4)
Remove the fuel injection pipes. (Point 5)
Remove the intake manifold assy.
Remove the exhaust manifold assy.
Remove the bonnet Assy.
Remove the rocker shaft assy, push rods and valve caps. (Point 6)
Remove the cylinder head assy and head gasket. (Point
7)
Remove the fuel injection valves and fuel return pipe. (Point 8)
Remove the intake/exhaust valves, stem seals and valve springs. (Point 9)
Remove the rocker arms from the rocker shaft.