6 Maintenance by the operator
148
6.5.3 Tension check
1. Move the machine so that the seal on the internal sur-
face of the track is placed in the centre of the upper
chassis.
A = Mark
inside the track
1 = Cover
2 = Idle wheel
2. Raise the machine with the equipment by activating
the command lever.
WARNING
Do not support the machine with the accessory only. The command levers may move or hy-
draulic oil may spill accidentally and cause the machine to fall.
When the machine is checked or adjusted by two people, one of them must commission the
machine according to the signals given by the other person.
Be sure to perform the track tension verification on a firm and even surface. It is strictly
forbidden to be positioned under the machine for the duration of the operation.
3. Check the tension. The play H between the external
rolling surface of the second track roller on the tightener
roller and the internal surface of the track must be
8 ~ 13 mm.
1 = Greaser
2 = Track roller
3 = Track
• If the tension is incorrect, follow the procedures given in the following chapters to increase
or release the track tension.
IMPORTANT
Perform a task with a relaxed track link may derail the track or cause premature wear of
the undercarriage.
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