Hitachi EX20UR-2 Manual page 89

UPPERSTRUCTURE / Swing Device
3. Connect all hoses to the swing motor.
19 mm, 22 mm
r
—mac 29 1 1-rn ( 3 kgf-m, 22 lbf•ft )
39 NI-rn ( 4 kgf-m, 29 lbf-ft )
VV551-02-03-001
4. Add hydraulic oil to the specified level into the hy-
draulic oil tank. Tighten cap (1). Run the engine at
slow idle. Check the hose connections for leaks.
W551-02-01-002
5. Install floor plate (2) using bolts (1) (8 used).
*}••,:
19 mm
r- xl :
69 NI-rn ( 7 kgf-m, 51 lbf•ft )
W561-02-04-001
W02-05-03