F74 7
Rollers (3)
Rollers with damaged surfaces or
which are leaking should be replaced
immediately!
- Relieving the caterpillar chain：
- Raise the track chassis using
suitable lifting equipment and
remove adhering dirt.
Observe the safety measures when
raising and securing loads!
- Remove the defective roller.
- Install the new roller using new
assembly parts.
- Tighten the bolts withour applying
significant torque.
- Tighten the bolts diagonally to the
required torque.
- Tighten to the following qorques:
- Small rollers (A): 85 Nm
- Big rollers (B): 85 Nm
Check that each bolt has arraigned the full tightening torque!
- Lower the track chassis and tension the caterpillar chain properly.
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