Hitachi EX20UR-2 Manual page 174

11. Attach a C clamp onto the assembly of ring gear
(7) and the travel motor, as illustrated. Remove re-
taining ring (40) while tightening the C clamp.
12. Remove the travel motor from ring gear (7).
13. Remove ring (14), pin (13), and 0-ring (2) from ring
gear (7).
NOTE: Do not remove bearing (38) unless replacement
is required.
14. Remove seal ring (34) and 0-ring (35) from the
travel motor.
15. Clamp the travel motor in a vice.
C Clamp
Travel Motor
W508-03-02-006
UNDERCARRIAGE I Travel Device
W03-02-14