OM 803 us – Edition 3.7 * 803b530.fm
5-25
Maintenance
5.9 Tracks
Track wear can vary according to work and ground conditions.
Checking track tension
DANGER
Crushing hazard when working under the machine!
Causes serious injury or death.
•
Ensure that no one is in the danger zone!
•
Support the machine so as to allow the tracks to sag freely.
1
Park the machine on firm, level and horizontal ground.
2
Raise the machine evenly and horizontally by means of the boom and the stabi-
lizer blade.
3
Place the tracks so that mark
B
is in the middle between the drive pinion
C
and the
track tension roller
D
.
4
Stop the engine.
5
Raise the control lever base.
6
Remove the starting key and carry it with you.
7
Adjust the correct track tension if the play between the track roller and the track is
not 15 – 20 mm (0.6 – 0.8 in).
Fig. 216: Raising the machine
Fig. 217: Rubber track mark
B
B
D
C
Fig. 218: Measuring distance
15 – 20 mm
0.6 – 0.8 in
