Cylinder Head & Exhaust Valve Inspection Checklist
Points to Check Yes No N.A
Cracks and damage over cylinder head surface Cracks or scoring in the fuel valve pocket Deformation of fuel valve seat
Cracks or scoring in start air valve pocket Deformation of air valve seat
Scoring and burnout in the exhaust passage of cylinder head
Carbon deposits in the exhaust passage Deposits in the cooling water passages
Groove formation or burnout in the cylinder head sealing surface with liner due to leakage
Burnout of cylinder head gasket
Leakage in the cylinder head relief valve Loose cylinder head securing nut
Damage threads in the cylinder head studs
Loose cylinder head securing studs from engine frame side
Operation of exhaust valve opening and closing checked by external air supply before fitting valve in the head Burnout marks over valve face
Burnout marks over valve seat Breakage of rotating vanes Cracks in the rotary vanes
Groove formation in the seat and valve
Exhaust valve thrust pad condition satisfactory Scoring marks in the sealing surface of actuator
Surface deformation of hydraulic pipe connecting face
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