Komatsu Galeo PC138US-8 Shop Manual page 893

50 Disassembly and assembly
7) Engage piston rod assembly (2)
2
Seal: Grease (G2-LI)
a Set the ring abutment joint horizon-
tally and align the axes of the piston
rod assembly and the cylinder tube to
insert them.
a After insertion, make sure that the
ring is not damaged or dropped and
completely push the piston rod.
8) Mount head assembly (1) and tighten it
with the mounting bolt.
3
Mounting bolt :
Cylinder
Bucket 172 ± 25 Nm {17.5 ± 2.5 kgm}
Arm 270 ± 39 Nm {27.5 ± 4.0 kgm}
Boom 172 ± 25 Nm {17.5 ± 2.5 kgm}
Blade 270 ± 39 Nm {27.5 ± 4.0 kgm}
9) Mount the piping.
PC138US, USLC-8
Tightening torque
SEN02713-00
37