Track Installation - Doosan DX140R Shop Manual

Track Installation

1. Lay rebuilt or new track into position under track frame.
End of track should be positioned under drive sprocket.
2. With upper structure at 90° to track frame. Use bucket and
boom to raise track frame off blocking.
3. With blocking removed, lower track frame onto track. Make
sure all rollers are properly positioned on track.
4. Move unit forward while feeding track up over drive
sprocket. Continue to pull track back until it engages front
idle roller.
5. Align master links and install master pin.
6. Insert new lock pin in master pin. Bend end of pin over so it
is pointing in opposite direction of other end as shown.
7. Apply track tension. Refer to "Track Tension" in this
section for procedure.
Track Assembly
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