PRONAR T900, Operator'S Manual, Page: 71 / 153

SECTION 4 Pronar T900
4.3
4.1.2 PREPARING THE TRAILER FOR THE FIRST HITCHING TO TRACTOR
Preparation
Ensure that the hitch, pneumatic, hydraulic and electric connections in the
tractor are according to the requirements; otherwise, the trailer should not be
hitched to the tractor.
Check all the trailer's lubrication points, lubricate the machine as needed
according to recommendations provided in section 5.
Check if the nuts and bolts fixing the wheels, the load box, the drawbar and
other components are properly tightened.
Check if the nuts and bolts in the suspension system are properly and
sufficiently tightened.
Drain air tanks of the brake system.
Adjust the height of the drawbar eye to the tractor hitch
A detailed description can be found in section (4.3.3).
Test start
If all the above actions are completed and if the technical condition of the trailer is not a
cause of concern then hitch it to the tractor according to section (4.3). Start the tractor, check
all systems and conduct test run of trailer without load (no load in load box). It is
recommended that the inspection is conducted by two people, one of which should always
remain in the tractor cab. Test drive should be conducted according to the sequence shown
below.
Connect the trailer to appropriate hitch on agricultural tractor.
Connect conduits of pneumatic system and hydraulic system and electric
leads.
Switch on individual lights, check correct operation of electrical system.
Start the following systems and check if they work correctly:
tailgate control system,
control of front wall sliding mechanism,
control of the right and/or left wall extension rising (option),