Fiat Kobelco EX355 Tier2, Technical Manual

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EX355 W5-3-39
ENGINE OVERHAUL
1. Remove the head cover.
2. Remove the cylinder head cover gasket.
Discard the gasket.
NOTE: Be careful not to lose the collars inserted into
the cylinder head cover assembly.
3. Remove the rubber plug.
4. Remove the rocker arm shaft assembly.
Refer to “Rocker Arm Assembly Removal” in this
manual.
5. Remove the camshaft with the gear.
Refer to “Camshaft Removal” in this manual.
6. Remove the leak off pipe.
7. Remove the injection nozzle holder.
8. Remove the glow plug connector.
• Remove the injection nozzles and glow plugs
before removing the cylinder head.
9. Remove the bridge cap.
13. Remove the cylinder head gasket.
Discard the gasket.
SM7068
SM7102
SM7103
SM7104
10. Remove the bridge.
NOTE: Keep the bridges in order for reassembly to
their original positions.
11. Remove the cylinder head.
• Loosen the cylinder head bolts a little at a time
in the numerical order shown in the illustration.
• Clean the cylinder head surfaces and remove
the sealant residue.
CAUTION
Failure to loosen the cylinder head bolts in numeri-
cal order a little at a time will damage the cylinder
head lower surfaces.
CAUTION
The idler gear C ( 1 ) projects from the cylinder head
lower side and is easily damaged. Great care must
be taken to avoid damaging the idler gear C when
the cylinder head is removed from the engine.