Doosan DX22 - 10. Cylinder Block;Head

135
10. Cylinder Block/Head
General Information ..........................................................................................................137
General Information ................................................................................................................................. 137
Cylinder Block ...................................................................................................................138
General Inspection of the Cylinder Block................................................................................................. 138
Cylinder Head .......................................................................................................................................... 139
Assembling the Cylinder Head................................................................................................................. 139
Inspecting the Cylinder Head ............................................................................................140
Valves ...................................................................................................................................................... 141
General Information ................................................................................................................................. 141
Inspecting Valves..................................................................................................................................... 141
Inspecting the Valve Guide ...................................................................................................................... 141
Inspecting the Valve Seat ........................................................................................................................ 142
Inspecting the Valve Spring ..................................................................................................................... 143
Rocker Arms .....................................................................................................................144
Disassembling the Rocker Arms.............................................................................................................. 144
Checking and Measuring the Assemblies................................................................................................ 144
Assembling the Rocker Arms................................................................................................................... 144
Tappet and Pushrod .........................................................................................................145
Tappet Clearance .................................................................................................................................... 145
Inspecting the Tappet Visually ................................................................................................................. 145
Pushrod Deflection................................................................................................................................... 145
Camshaft ..........................................................................................................................146
Camshaft Play.......................................................................................................................................... 146
Checking and Measuring the Camshaft................................................................................................... 146
Replacing the Camshaft Bearing ............................................................................................................. 147