This illustration show you guide on how to assembly and disassembly rubber and iron track for Kubota U48-4 and U55-4 excavator.
Related Contents:
Takeuchi Excavator Workshop EPC+Service Manual 2018 PDF Files
2022 Kubota Takeuchi Diagmaster v22.08.01 v4.1.2 Software Free Download
Kubota EPC Spare Parts Catalogue 2021.06 Download
Assembly / disassembly of rubber track
Removing the grease nipple
1.Remove one bolt (2) and then the cover (1).
2.Place a wrench (socket) at the base of the grease nipple and loosen slowly.
If there is a rock etc. caught in the sprocket, remove the rock first.
Loosen track
1.Jack up the body using the front end and blade, expel grease from inside the grease cylinder, and fully loosen up the track.
When the track loosens up, attach the grease nipple.
Removing the rubber tracks
1.Lift the body slightly and move the track in the forward direction A.
Slide the track in the sideways direction at the front idler to remove it.
Weight of rubber track : approximately 240 kg (529 lbs)
A : Forward direction B : Slide direction
Assembling rubber tracks
1.Jack up the mini-excavator with the front-end and the blade and assemble the track starting at the sprocket.
CAUTION
2.With the mini-excavator lifted slightly, hold the rubber track with your hand on the outside, slowly turn it in the forward direction,and set it on the stepped area of the front idler.
CAUTION
Assembly / disassembly of iron tracks
Removing the grease nipple
1.Remove one bolt (2) and then the cover (1).
2.Place a wrench (socket) at the base of the grease nipple and loosen slowly.
If there is a rock etc. caught in the sprocket, remove the rock first.
(1) Cover
(2) Bolt (M10)
(3) Grease nipple
Loosen track
1.Jack up the body using the front end and blade, expel grease from inside the grease cylinder, and fully loosen up the track.
When the track loosens up, attach the grease nipple.
Removing the locking pin
1.Turn the track until the master pin (1) is in front of the front idler.
2.Remove the locking pin (3) from the master pin.
(1) Master pin
(2) Master link
(3) Locking pin
Removing the master pin
1.Place a jig on the master pin and tap it out with a hammer.
Use a jig as shown in the diagram to the left for removing the pin.
Removing the shoe
1.Slowly move the travel lever to the backup position and back up the mini-excavator.
2.Jack up the mini excavator using the front end and blade and pull off the shoe.
DANGER
Mounting an iron track
1.Jack up the mini excavator using the front end and blade and place the track so that the end of the track meshes with the sprocket under the mini excavator.
Make sure the track is placed in the correct orientation.
(1) Master link
(a) Sprocket side
(b) Front idler side
2.Raise the track using a crane and mesh it with the sprocket teeth.
(4) Sprocket
3.Slowly move the travel lever to the forward travel position to mesh the track with the shoe (6).
When the track is sufficiently pulled on to where the track link joint is at the front idler, lower the mini-excavator, and place a block (7) under the shoe to support the shoe.
Match up both ends of the shoe, insert the master pin from the outside of the body, insert the locking pin and bend the tip.
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