Disassembling, Inspecting And Reassembling Inlet And Exhaust Systems; Inspecting Intake Cover And Exhaust Manifold; Measuring Distortion Of Inlet And Exhaust Manifold - Mitsubishi Heavy Industries SL Series Service Manual

2. Disassembling, inspecting and reassembling inlet and exhaust systems

2.1 Inspecting intake cover and exhaust manifold

Crack,damage,
contaminant,
adhension of dirt,
corrosion
2.2 Measuring distortion of inlet and exhaust
manifold
Using a straight edge and thickness gauges, measure
distortion across the cylinder head mounting surfaces of the
inlet cover and exhaust manifold. If the measured distortion
exceeds the limit, correct by grinding or replace the part.
Item
Distortion on mounting surfaces of intake
cover and exhaust manifold
Inspecting intake cover and exhaust manifold
Limit
0.15 mm
[0.0059 in.]
INLET AND EXHAUST SYSTEMS
Crack
Straight edge
Measuring distortion on exhaust manifold
Crack,corrosion
Thickness gauge
11-3