OP000529
3-10
Operation
Hydraulic System Warm-up
The correct operating temperature of the hydraulic oil is 50° -
80°C (120° - 175°F). Make sure to follow the procedures listed
here for hydraulic fluid warm-up.
1.
Run engine for approximately five minutes set at the
middle of the speed range, without a load.
2.
Set safety lever (Figure 17) and stand on "UNLOCK"
position.
3.
Slowly cycle boom, arm and bucket cylinders about five
times without a load to circulate the oil through the system.
Do this for five minutes.
4.
Check for clearance and fully raise the front attachment.
Swing clockwise 3 revolutions. Swing counterclockwise 3
revolutions.
5.
Travel forward and reverse at low speed for two
revolutions of the drive wheel.
WARNING!
If a problem or abnormal operation occurs, immediately
shut down engine. Allow excavator to reach normal
operating temperature before starting work, especially in
cold weather.
HAOB410L
Figure 16
FG007022
Lock
Unlock
Figure 17
Figure 18
FG000380
Summary of Contents for DX190W
Page 2: ......
Page 71: ...OP000528 2 3 Operating Controls ...
Page 128: ...OP000528 Operating Controls 2 60 CD Player Optional AST DIR FG000109 Figure 135 ...
Page 196: ......
Page 292: ...OP000530 Inspection Maintenance and Adjustment 4 96 ...
Page 304: ...OP000440 6 8 Troubleshooting ...