Fiat Kobelco EX355 Tier2, Technical Manual

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EX355 W5-3-95
ENGINE OVERHAUL
2. Carefully wipe any foreign material from the
upper crankshaft bearings and the cylinder
block bearing fitting surfaces.
•
The upper crankshaft bearings have an oil
hole and oil groove. The lower crankshaft
bearings have only a partial oil groove.
2. Install the crankshaft thrust bearing to the cylinder
block.
1. Apply engine oil to the thrust bearing oil
grooves before installation.
2. Install the thrust bearing to the crankshaft No.7
journal. Thrust bearing oil grooves must face
the sliding surface.
SM7227
SM7228
SM7229
SM7230
WARNING
Compressed air can cause personal injury when
used for cleaning. Wear safety glasses and protec-
tive clothing.
Installation
1. Install the upper crankshaft bearings to the cylin-
der block.
1. Use compressed air to thoroughly clean the
inside and outside surfaces of the cylinder
block, the oil holes, and the water jackets.
WARNING
Compressed air can cause personal injury when
used for cleaning. Wear safety glasses and protec-
tive clothing.
3. Install the upper bearings to their original posi-
tion, if they are reused.
CAUTION
Do not apply engine oil to the bearing back faces
and cylinder block bearing surfaces.