Hino J05E-TH, Workshop Manual

Page: 105 / 278

ENGINE MECHANICAL
9–15
(7) If injection does not hit the target circle, correct it with a
special tool.
Special tool : 09472
–
1620 Tool
(8) If it cannot be corrected, install a new cooling jet for
reinspection.
(9) Remove the check bolt and install the cooling jet on the
cylinder block using the genuine oil check valve.
Tightening torque : 22 N
⋅
m {220 kgf
⋅
cm, 16 lbf
⋅
ft}
(10) After assembly of the piston, make sure that the cooling
jet does not interfere with the piston at the piston bottom
dead center.
4. Inspection of cylinder block
(1) Inspection of cylinder block distortion
a. Measure distortion on the cylinder block using a ruler.
b. If the measurement value is beyond the service limit,
replace it.
! CAUTION
•
Repair of the upper surface by grinding can
change backlash of the timing gear. Do not
grind it.
(2) Inspection of cylinder block crack
a. With dye penetrant test method (red check), make sure
that there is no crack or damage in the cylinder block.
Setup layout Layout
SAPH311990900038
SAPH311990900039
Standard value (mm{in.}) Service limit (mm{in.})
Longitudinal direction
0.06{0.0024}
Square direction
0.03{0.0012}
0.2{0.0079}