PRONAR T386, Operator'S Manual, Page: 119 / 162

SECTION 5 Pronar T386
5.9
FIGURE 5.3 Sequence of tightening nuts, axles with 10 M22x1.5 pins
(1) - (10) sequence of nut tightening
WARNING
Wheel nuts must not be tightened with impact wrench, because of danger of exceeding
permissible tightening torque, the consequence of which may be breaking the thread
connection or breaking off the hub pin.
The greatest precision is achieved using a torque spanner. Before commencing work,
ensure that correct tightening torque value is set.
Checking wheel tightening:
•
After the first use of trailer (one-time inspection).
•
Every 2 – 3 hours of trailer travel (during the first month of trailer use).
•
Every 30 hours of trailer travel.
The above actions should be repeated individually if a wheel has been removed from the
wheel axle.
5.2.7 CHECKING AIR PRESSURE IN TYRES, EVALUATING TECHNICAL
CONDITION OF TYRES AND STEEL WHEELS
Air pressure in tyres should be checked each time after changing a spare wheel and at least
once a month. In the event of intensive use, air pressure in tyres should be checked more