Hyundai HX145LCR Manual page 685

(3) Install piston and cylinder head
Fix the rod assembly to the work bench.
Apply hydraulic oil to the outer surface of
rod assembly (2), the inner surface of
piston and cylinder head.
Insert cylinder head assembly to rod
assembly.
Insert cushion ring (13) to rod assembly.
Note that cushion ring (13) has a
direction in which it should be fitted.
Fit piston assembly to rod assembly.
Tightening torque : 150 15 kgf m
Fit lock nut (20) and tighten the set screw
(21).
Tightening torque :
Item kgf m
Bucket
20 Boom 100 10
Arm
21 2.7 0.3
(1085 108 lbf ft)
lbf ft
723 72.3
19.6 2.2
8-213
Cylinder head assembly
Rod assembly
13
Insert
Piston assembly
20 21
21078DA40
8-159(2)
14W98CY14
14W98CY15