Cylinder Head, Valve Mechanism - Mitsubishi diesel engines Service Manual

ENGINE MAIN PARTS - DISASSEMBLY

1. Cylinder Head, Valve Mechanism

Damaged threads
Wear
Worn rocker shaft,
Clogged oil hole
Valve guide wear, damage
Cracks, Damage, Coolant leakage,
Oil leakage, Scale formation,
Gasket, Carbon deposit
<Disassembly sequence>
‡ @ Rocker cover
‡ A Rocker shaft assembly
‡ B Push rod
‡ C Cylinder head bolt
2 - 2
Spring fatigue
Clogged oil hole
Spring fatigue,
damage
Dent, Wear
Stepped wear, Damage
Disassembly of cylinder head and valve mechanism
‡ D Cylinder head
‡ E Cylinder head gasket
‡ F Valve cap
‡ G Valve lock
Bend
Bottom face distortion
Wear,
Valve seat contact,
Valve face contact
damage, wear
‡ H Retainer
‡ I Valve
‡ J Valve spring
‡ K Valve stem seal
End face wear, damage