4WD MANUAL
Vahva Jussi 320
2011 Kreisi Metall
Safety and working instructions
For your own and other safety please read carefully the following information.
•DO NOT use the 4WD before you are convinced that nobody is near working
area of the trailer and crane.
•When reversing the trailer, driver has to be convinced that nobody is behind
the trailer.
•The operator of the 4WD drive has to have a clear overview from the working
area.
•It is prohibited to go beneath the trailer when operating the 4WD.
•Check that 4WD rollers are regulated to the right height (10mm gap between
roller and tire) and tire pressure is max 1kPa. If the gap is too big or too small
follow the instructions on page nr. 7.
•Before driving check that no tools or equipment are located on or under the
trailer.
•The more logs you load on the trailer the more effectively the 4WD will work.
•4WD main purpose is to assist movement of ATV,UTV or other vehicle on
difficult terrain or steep climbs.
•4WD can be also used as a break when moving down hill. I f you push the
switch in reverse during movement.
•The 4WD has the pushing force of 650 kg and maximum working speed up
to 3 km/h.
•If the speed exceeds 3 km/h the 4WD roller moves automatically up.
•Never use 4WD with a bigger load on the trailer then is allowed by the
manufacturer, otherwise the warranty of the trailer will expire.
