JAC HFC4DA1-2C - Section II Main Technical Specification of Engine

Maintenance manual for sunray hfc4da1-2c china-IV diesel engines
15
No. Name Standard Size (mm)
Fitting
nature
Assembly
Clearance for
New Engine
(mm)
Wear Limit
(mm)
Grouping of cylinder sleeve
inside diameter (after
pressed-in)
Group A
93.021～93.032
Group B
93.032～93.043
Group C
93.043～93.054
Group D
93.054～93.065
24
Opening of piston ring
1
st
compression ring
0.2～0.4
1.5
2
nd
compression ring
0.65～0.85
1.5
Oil control ring
0.25～0.50
1.5
25
End clearance of piston ring
1
st
compression ring
0.078～0.139
0.15
2
nd
compression ring
0.045～0.09
0.15
Oil control ring
0.03～0.07
0.15