Hitachi EX20UR-2 Manual page 187

UNDERCARRIAGE / Travel Device
33. Install cover (48) and stopper ring (1) onto ring gear
(7).
NOTE: Be sure to install stopper ring (1) so that the
opening part of the ring is located in the oppo-
site side of the notch on the ring gear.
....={31
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The illustration above shows the travel device of EX4OUR-2.
EX2OUR-2 does not have the relief valve (shaded) section.
1— Stopper Ring
13— Pin
40— Retaining Ring 48— Cover
2— 0-ring 14— Ring
41— Second Carrier
49— Ring
3— Needle (72 Used)
33— Body 44— Sun Gear
50— Retaining Ring
(7 Used)
4— Thrust Washer
34— Seal Ring 45— Thrust Collar
51— First Planetary Gear
(10 Used)
(3 Used)
5— Needle (96 Used)
35— 0-ring
46— First Carrier 52— Plug (4 Used)
6— Second Planetary Gear
38— Bearing (2 Used) 47— Retaining Ring 53— Thrust Washer
(4 Used)
(4 Used)
7— Ring Gear
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