Inspection
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3.2. Inspection
3.2.1. Cylinder block
1) Clean the cylinder block thoroughly and check a visual inspection for cracks or damage.
2) Replace if cracked or severely damaged, and correct if slightly damaged.
3) Check the oil and water passing lines for restriction or corrosion.
4) Inspect the cylinder block’s camshaft bush to any damage and the alignment of oil supply holes and
if abnormal or severe wears, replace it.
5) Make a hydraulic test to check for any cracks or air leaks.
Hydraulic test :
Stop up each outlet port of water and oil passages in the cylinder block, apply air
pressure of about 5 kg/cm
2
against the inlet ports, then immerse the cylinder block in
water for about 1 minute to check any leaks. (Water temperature : 70 °C)
3.2.2. Cylinder liner measurement
z
Assemble the cylinder liner at the
cylinder block and measure inner
diameter at upper, middle, lower that is,
3 steps by 45° interval and calculate the
average values after eliminating the
maximum and minimum values.
z
If the measured values are very close to
the limit value or beyond, replace it
Liner inner
diameter
Standard Limit
127.990 ~
128.010 mm
128.16 mm
EFM2032I
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