Hitachi EX20UR-2 Manual page 350

Rear hanger
Tighten the rear hanger together with the manifold.
Water pipe
Torque
(kg•m)
1.5 — 2.5
PISTON AND CONNECTING ROD
The numbers in ( ) indicate reassembly steps.
Piston rings (4)
Piston & connecting rod assembly (1)
Piston pin (2)
Snap ring
(3)4
Bearing (5)
ENGINE/Engine
W05-02-34