OP000470
3-9
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 (1, Figure 13) 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 sprocket.
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.
FG007561
Figure 12
Lock
Unlock
FG007562
1
Figure 13
Figure 14
FG007563
Summary of Contents for DX35Z
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Page 6: ...Table of Contents K1025196E IV Index 8 1 ...
Page 60: ...OP000468 Safety 1 54 ...
Page 90: ...OP000469 Operating Controls 2 30 ...
Page 132: ...OP000470 Operation 3 42 ...