Hitachi EX20UR-2 Manual page 235

W03-03-29
UNDERCARRIAGE / Center Joint
—
II 1
W554-03-03-007
1— Bolt (4 used) 5— Oil Seal (8 used)
9— Dust Seal 11— 0-ring
3— Retaining Ring 6— 0-ring
10— Body 12— Cover
4— Ring 8— Spindle