Section J - Tracks
Track Damage
Types of Rubber Track Damage
J-20 J-20
9803-9570-4
Core Bars - Oxidation (Rusting)
Cause:
1 Operating in an environment which increases
likelihood of oxidation (rusting), for example newly
spread compost ground could increase acidic or alkali
values.
2 Prolonged exposure to detergents, paint, solvents or
fuel.
Prevention:
1 Clean the tracks with fresh water after operation.
Make sure that the visible metallic components of the
track are greased.
2 Clean the tracks with fresh water after operation in
areas where chemicals can attack the tracks.
Fig 4.
Additional Notes:
If the core bars are slightly rusted, the track can be used.
However, the propagation of rust under the rubber should
be monitored, otherwise it is possible that the core bar will
separate from the rubber.
Steel Cord - Breaking
Cause:
1 The sprocket is not appropriate for the track (the pitch
does not fit).
2 Hard material (stone, metal) stuck between the track
and the sprocket with excessive track tension.
3 The steel cord has been exposed and rusted.
Prevention:
1 Make sure that the sprocket is genuine JCB, ensure
sprocket is in good condition.
2 Check the tension regularly. Clean the tracks
regularly as recommended, particularly after
operation in clay soil.
3 As soon as you see small cracks on the lug side,
clean with water and repair immediately.
Fig 5.
Additional Notes:
When the steel cord is broken, the track must be replaced.
As a preventive measure always check the tension.
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