(5) Crank shaft end play
Assemble the crankshaft to the cylinder block.
With a dial gauge, measure crankshaft end play.
3.2.6 Piston assembly
1) Disassemby of piston assembly
Disassemble piston according to the disassembly
process.
2) Piston inspection
(1) Visual check
Visually check the pistons for cracks, scuff or wear,
paying particular attention to the ring groove.
(2) Clearance between the piston and cylinder liner
With an outside micrometer, measure the piston
outside diameter at a point 13mm away from the lower
end of piston skirt in a direction at a right angle to the
piston pin hole.
Using a cylinder bore gauge, measure cylinder liner
inside diameter at 3 points (cylinder top ring contacting
face, middle, and oil ring contacting face on BDC) in a
direction at an angle of 45°. Take the mean value with
the largest and smallest values excepted.
5ton Diesel Engine SPC000006
Page 59
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