Hitachi EX20UR-2 Manual page 91

5. Disconnect all front attachment hoses (1).
INNEN&
: 19 mm, 22 mm
W562-02-05-002
6. Disconnect all return and drain hoses from hydrau-
EX3OUR-2
lic oil tank (1).
14# : 17 mm, 19 mm, 22 mm
W562-02-05-003
EX4OUR-2
W563-02-05-001
4. Loosen bolts (2) (6 used) (7 used for EX4OUR-2) to
remove center joint upperside cover (1).
*ms'•
: 10 mm, 13 mm, 17 mm
W562-02-05-001
I
UPPERSTRUCTURE
I
Swing Device
W02-05-05