10. Cylinder block/head
171
Cylinder block
Check of Cylinder Block
1. Cleanse the cylinder block and check if there is any
c
racked or damaged part with naked eye.
2. Replace the cylinder block if it is seriously cracked or
damaged. Repair tiny cracks if existing.
3. Check if the oil path or coolant path is clogged or
corroded.
4. Perform the hydrostatic test to check whether there is
a crank or an air leakage.
5. Block the discharging outlets of the cooling water pat
h
a
nd the oil path of the cylinder block and put pressure
of 4 kg/cm
2
on the inlet. Then sink the cylinder block
i
n the 70 °C water for 1 minute and check if air leaks.
Measurement of Cylinder Liner
1. Assembly the cylinder liner at the cylinder block and
m
easure inner diameter at upper, middle, lower that
is, 3 step by 45° interval.
DV2213111A
2. Calculate the average values after eliminating the
ma
ximum and minimum values.
3. If the measured values are very close to the limit
value or beyond, replace it.
Standard Limit
Ø127.990 ~ Ø128.010mm
0.15mm
To Next Page
Loading...