Hitachi EX20UR-2 Manual page 163

2. Connect lines (1) to (4).
*aio:
19 mm
r—a: 29.5 N-m ( 3 kgf-m, 22 lbf-ft )
IrwmG:
22 mm
:
39 N•m ( 4 kgf•m, 29 lbf-ft )
o ite : 27 mm
r—a
: 93 N•m ( 9.5 kgf•m, 69 lbf-ft )
IMPORTANT: Add hydraulic oil to the specified lev-
el. Run the engine at slow idle. Check
the line connections for leaks.
W507-03-02-002
4. Install cover (2) on the hydraulic oil tank using
screws (1).
3. Install cover (1) using bolts (2).
: 8 mm
r—a: 49 N•m ( 5 kgf-m, 36 lbf•ft )
W507-03-02-001
W562-02-03-007
UNDERCARRIAGE I Travel Device
W03-02-03