Carefully split crankcase halves.
NOTE: During disassembly, do not damage
the sealing surfaces of the crankcase halves.
Pull crankshaft out of crankcase.
Remove the water pump intermediate shaft.
1. Water pump intermediate shaft
Remove engine oil strainer.
NOTE: Oil strainer removal for inspection
and cleaning is recommended. Refer to
LUBRICATION SYSTEM subsection.
1. Engine oil strainer
2. Retaining plate
3. Screws
Cleaning the Crankcase
Clean crankcase using a part cleaner.
Dry crankcase using compressed air .
Blow the oil supply lines.
Inspecting the Crankcase
Check crankcase halves for cracks or other
dam- age. Replace if damaged.
Check MAG and PTO plain bearings in for
scoring or other damages.
1. Plain bearing
NOTE: Measure plain bearing inside
diameter and compare to PT0/MAG main
journa1 diameters of crankshaft (refer to
CRANKSHAFT). Replace if the
measurements are out of specification.
1. Plain Bearing
2. Oil bore
A. Measure plain bearing inside diameter
Plain Bearing Replacement (Main)
Removing the Plain Bearing
NOTICE Always support crankcase halves
properly when plain bearings are removed.
Damages to crankcase halves may occur if
this procedure is not performed correctly.
NOTE: Always use a press for removal of
plain bearings.
Carefully press the plain bearings out, from
the crankcase half inside towards the
outside.
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