10
SAFETY INSTRUCTIONS FOR USERS 
ELECTRICAL INSTALLATION  
55.  No additional interventions 
into the tractor electrical 
equipment (connection of other 
electrical appliances) are allowed 
because of its possible 
overloading! 
56.  The values of electrical installation 
are: 
Nominal voltage  12 V = 
Ground minus pole   ( - ) pole 
Using of starting trucks or starting aid 
devices with different voltage or polarity 
causes serious failures of tractor. 
57.  It is necessary to be careful when 
manipulating with the battery and to 
avoid short circuits. Turn off the battery 
switch at tractors equipped with this 
switch when manipulating with the 
battery. 
58.  Tractors must not be run with 
disconnected battery, because serious 
failure of tractor could occur.