Hardi NAVIGATOR VPZ, Instruction Book

Page: 181 / 204

7 - Fault Finding
181
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) located at the bottom of the filter housing.
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 a power failure, it is possible to operate all functions of the
operating unit manually.
Disconnect the power supply to the sprayer.
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.
EFC and SprayBox
First disconnect the multi-plug from the control box. Then manually turn the emergency control handle on the distribution
valve (1).
Turn the handle anticlockwise to close and clockwise to open.
÷
NOTE! The handle on the distribution valve has a peg that acts as a mechanical stop.
•
The problem may be due to a blown fuse.
•
Three fuses are placed inside the SprayBox. Fuse type: Thermo.
•
When the fuse have cooled off, turn the SprayBox back on.