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CYLINDER HEAD AND CYLINDER
INSPECTION
1. Eliminate:
•
CAUTION:
Do not use a sharp instrument. Avoid damaging
or scratching the surface.
SCH5120
2. Inspect:
•
3. Measure:
•
•
•
SCH5130
4. Eliminate:
•
CAUTION:
Do not use a sharp instrument. Avoid damaging
or scratching the surface.
SCH5140
5. Eliminate:
•
6. Inspect:
•
SCH5150
5-9
ENG
Carbon deposits
(from the combustion chamber)
Use the rounded scraper 1.
Cylinder head water jacket
Crust of minerals/rust → Clean.
Cylinder head warpage
Out of specification → Resurface.
Warpage limit:
0.03 mm (0.0012 in)
Straight edge 1
Thickness gauge 2
Carbon deposits
(from the cylinders)
Use the rounded scraper 1.
Carbon deposits
(from the piston crown and ring grooves)
Piston crown
Burrs/nicks/damage → Replace.
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