Hitachi EX20UR-2 Manual page 239

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1. Move the front idler and yoke assembly out of
place using a crowbar.
2. Remove the front idler and yoke assembly from the
track frame.
IMPORTANT: Do not directly place the front idler
on the ground.
Use blocks when temporarily putting
it down.
1. To install the front idler, simply perform the remov-
ing procedures in reverse.
NOTE: Before installing, check that the yoke is correctly
positioned. Apply grease to the sliding surfaces
of the track frame and bearing after cleaning
them.
Install Front Idler
W507-03-05-002
Remove Front Idler
UNDERCARRIAGE / Front Idler
REMOVE AND INSTALL FRONT IDLER
The procedures to be followed after removing the track
links are given here. Refer to "Remove and Install Track
Links" in Group 07 for instructions on removal and in-
stallation of the track links.
A
CAUTION: Stay out of the removing direction
of the front idler.
Front idler weight:
EX2OUR-2: 21.6 kg ( 47.6 lb )
EX3OUR-2: 21.6 kg ( 47.6 lb )
EX4OUR-2: 29.5 kg ( 65 lb )
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