Hitachi Zaxis 17U-5A Operator's Manual page 219

Hydraulic excavator
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Installing Rubber Crawler
1. Lower the bucket and blade to raise one track off the
ground, as shown. Place blocks under the machine frame
to support the machine.
2. Slowly turn valve (1) to allow grease to escape from the
grease outlet.
3. Engage the rubber track with the sprocket and position
the other end of the rubber track on the front idler.
4. While rotating the sprocket in reverse, apply horizontal
force to the rubber track to seat it on the idler.
5. Insert a steel pipe into gaps among lower rollers, track
frame and rubber track and rotate the rubber track
slowly to correctly seat the rubber track on the idler.
6. Confirm that the rubber track is correctly engaged with
the sprocket and idler.
7. Adjust track sag. (Refer to "Adjust Track Sag".)
8. After checking that the rubber track is correctly engaged
with the sprocket and idler and the track sag is correctly
adjusted, lower the machine to the ground.
MAINTENANCE
7-79
1
Grease Outlet
Direction of Rotation
Steel Pipes
Direction of Rotation
Steel Pipes
M1LA-07-036
M503-07-062
M503-07-063

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Zaxis 26u-5a

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