Disassembly Of Basic Engine; Disassembling And Inspecting Cylinder Head And Valve Mechanism5-2 - Mitsubishi Heavy Industries SL Series Service Manual

DISASSEMBLY OF BASIC ENGINE

1. Disassembling and inspecting cylinder head and valve mechanism
Damaged threads
Wear
Worn rocker shaft,
Clogged oil hole
2
Valve guide wear, damage
Cracks, Damage, Coolant leakage,
Oil leakage, Scale formation,
Gasket, Carbon deposit
Stepped wear, Damage
Disassembling and inspecting cylinder head and valve mechanism
Disassembling sequence
1 Rocker cover
2 Rocker shaft assembly
3 Push rod
4 Cylinder head bolt
5-2
1
Spring fatigue
Clogged oil hole
Spring fatigue,
damage
Dent, Wear
10
5 Cylinder head
6 Cylinder head gasket
7 Valve cap
8 Valve lock
End face wear, damage
7
Bend
8
9
12
11
Bottom face distortion
Valve seat contact,
Wear,
damage, wear
Valve face contact
9 Retainer
10 Valve
11 Valve spring
12 Valve stem seal
3
4
5
6