Hardi COMMANDER 4500, Instruction Book

Page: 150 / 170

7 - Fault Finding
148
Mechanical Problems
Emergency Operation - Hydraulics
In case of power failure, the damper control can be operated as follows:
1.
Remove plastic cover (A) from valve (B).
2.
Turn valve (B) inwards.
Emergency Operation - EasyClean Filter
If difficulties with opening the filter and closing the built-in valve occur,
it can be emergency handled by using a 13 mm wrench on the key
profile (A).
Also the filter can be drained before filter element at the drain plug (B).
±
WARNING! Always wear protective clothing and gloves before
opening the filter!
Emergency Operation - Liquid System
In case of power failure, it is possible to operate all functions of the
operating unit manually.
Controller HC 6500 (and higher) and ISOBUS
Disconnect the power supply to the sprayer (depends on the
tractor/sprayer setup).
Manually turn the control knobs on the distribution valves.
•
If they are easily turned by hand, the power is shut off correctly.
•
If they are hard to turn, you need to disconnect e.g. ISOBUS cable
to turn off the power for these valves.