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CYLINDER HEAD AND CYLINDER
SDN5110
SDN5120
SDN5130
SDN5140
5-10
INSPECTION
1. Eliminate:
•
Carbon deposits
(from the combustion chamber)
Use the rounded scraper 1.
CAUTION:
Do not use a sharp instrument. Avoid damaging
or scratching the surface.
2. Inspect:
•
Cylinder head water jacket
Crust of minerals/rust → Clean.
3. Measure:
•
Cylinder head warpage
Out of specification → Resurface.
Warpage limit:
0.03 mm (0.0012 in)
•
Straight edge 1
•
Thickness gauge 2
4. Eliminate:
•
Carbon deposits
(from the cylinders)
Use the rounded scraper 1.
CAUTION:
Do not use a sharp instrument. Avoid damaging
or scratching the surface.
5. Eliminate:
•
Carbon deposits
(from the piston crown and ring grooves)
6. Inspect:
•
Piston crown
Burrs/nicks/damage → Replace.
ENG
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