Hitachi EX20UR-2 Manual page 92

8. Loosen mounting bolts (1) (4 used) from the hy-
draulic oil tank. Remove the hydraulic oil tank using
a crane.
: 17 mm
9. Remove hoses (1) to (4), and plug them.
,==4 : 19 mm, 22 mm
W507•02-06-002
7. Loosen the clamps of suction hose (1) and return
hose (2) at the bottom of the hydraulic oil tank to
disconnect the hoses.
•
•411:11
UPPERSTRUCTURE / Swing Device
W562-02-05-005
W02-05-06