User manual
Tracks should no longer be touching the ground.
If necessary, use additional supports (make sure the excavator
cannot
overturn).
Measurements are taken at the two lower central track rollers.
The sag of the rubber chain, when tightened, shall not exceed 40
mm.
The sag of the iron chain, when tightened, shall not exceed 55
mm.
NOTE: If possible, the distance from the rollers should be the
same
for both tracks.
A) Increasing the track tension
1
1) Take off protective cover (1)
2) Tighten track using grease gun (2)
2
B) Decreasing the track tension
1
1)
2)
3)
Take off protective cover (1)
Unscrew the return valve (SW 22) (3)
Allow grease to come out until pressure
has been completely released.
3
Check the track rollers and wheels for play, also check track
tension!
18.4 Traveling and swiveling drives
Check seals for leaks.
18.5 Turntable
Bearing system
Turn the superstructure slowly and lubricate both nipples in the
lubrication
block (see lubrication points 17.5).
Fresh grease should appear all around the edge of the
seals.
9707672_user manual_en
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