8-149
Fit lock nut (20) and tighten the screw
(21).
余
Tightening torque :
刳
Item
kgf
余
m
lbf
余
ft
20
Bucket
100
佳
10
723
佳
72.3
Boom
100
佳
10
723
佳
72.3
Arm
150
佳
15
1085
佳
108
21
Bucket
2.7
佳
0.3
19.6
佳
2.2
Boom
2.7
佳
0.3
19.5
佳
2.2
Arm
5.4
佳
0.5
39.1
佳
3.6
Rod assembly
Cylinder head assembly
Piston assembly
20
21
Insert
13
Fit piston assembly to rod assembly.
余
Tightening torque :
刲
Insert cushion ring (13) to rod assembly.
Note that cushion ring (13) has a
direction in which it should be fitted.
刱
侍
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.
(3)
刮
刯
到
21078DA40
8-159(2)
50078CY09
50078CY10
Item
kgf
余
m
lbf
余
ft
14
Bucket
150
佳
15
1085
佳
108
Boom
150
佳
15
1085
佳
108
Arm
200
佳
20
1447
佳
145