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Crankshaft – Installation
Make sure the three piston cooling jets are installed and are protected by service tool
T3880504. If the piston cooling jets are omitted or get damaged, oil pressure will be
reduced. Running the engine with low oil pressure will cause severe engine damage.
Always check the bearing journal clearance (see Connecting Rod Big End Journal
Checking, Measuring and Bearing Selection and Crankshaft Main Bearing/Journal
Checking, Measuring and Bearing Selection), before final assembly of the
crankshaft. Failure to correctly select bearing journal shells will result in severe engine
damage.
Perform the following operations:
• Check that the three oil spray jets are fitted and service tool T3880504 is also
fitted.
• Check, measure and, if necessary, select new connecting rod big end bearing
shells (see Connecting Rod Big End Journal Checking, Measuring and
Bearing Selection)
• Check, measure and, if necessary, select new crankshaft main bearing shells
(see Crankshaft Main Bearing/Journal Checking, Measuring and Bearing
Selection)
1. Fit new bearing journal shells to the crankcase and big ends.
1. Big end bearing shells
2. Crankshaft bearing shells
3. T3880504 - Oil spray jet
protectors
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