Engine
SHOP MANUAL MT26-31 - 06.2005
Tier-3 710655-
Ch 1 page 115
1. Oil pump
2. Oil cooler
3. Oil cleaner centrifuge
4. Piston cooling nozzle
5. Oil filter
6. Oil sump
Lubrication oilways
The lubrication oil passes through channels in the cylinder block to reach the camshaft bearings and
the crankshaft main bearing.
Channels in the crankshaft feed the oil on to the
connecting rod bearings.
Lubrication oil for the rocker arms is led via a direct channel from the main oilway.
The channel is constantly pressurised.
The oil is led to the roller tappet shafts via grooves in the camshaft bearing.
The roller tappet shafts have drilled channels to lubricate the roller tappets.
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