OM 803 us – Edition 3.7 * 803b330.fm
3-17
Operation
The travel movements of the machine are controlled with the travel levers.
Lock the upper carriage when traveling over longer distances.
Forward or reverse travel speed depends on the position of the travel levers and on the
engine speed.
Information!
Ensure that both tracks move as you change direction, otherwise the rubber
tracks are subject to increased abrasion.
ISO/SAE changeover (option)
Warning!
WARNING
Accident hazard due to modified control lever operation!
Can cause serious injury or death.
•
Change over the controls only on level and firm ground, and only if the
starting key is removed.
•
Ensure that you know which control mode has been selected before start-
ing work.
The changeover is located under both covers
1
on the control stand.
Switching is possible between Operating Pattern A (ISO controls) and Operating Pattern B
(SAE controls).
1
Park the machine on level and firm ground, lower the boom to the ground, stop the
engine and remove the starting key.
2
Raise covers
1
.
3
Slide the knurled sleeve
2
upward, and hold, unhitch and grease it.
4
Slide the knurled sleeve
2
upward and hitch it into ball pin
A
or
B
as required.
The sleeve is safely locked if it is firmly connected with the ball pin and if it is
engaged in the lower position.
5
Lower covers
1
.
Position
Lever
Function
1
2
Push forward Push forward
Track excavator moves forward
3
4
Pull backward
Pull backward
Track excavator moves backward
3
2
Pull backward Push forward
Track excavator turns to the left
1
4
Push forward Pull backward
Track excavator turns to the right
Fig. 57: Control stand covers
1