Preparing The Trailer For The First Hitching To Tractor - PRONAR T663/4 Operator's Manual

SECTION 4

4.1.2 PREPARING THE TRAILER FOR THE FIRST HITCHING TO TRACTOR

Preparation
Check all the trailer's lubrication points, lubricate the machine as needed
according to recommendations provided in section 5.6,
Check if the nuts and bolts fixing the wheels and drawbar are properly
tightened.
Drain air tank of the brake system.
Ensure that pneumatic, hydraulic and electric connections in agricultural
tractor are according to the requirements, if not the trailer should not be
hitched to the tractor.
Adjust the height of the drawbar or position of upper transport hitch.
Test drive
If all the above checks have been performed and there is no doubt as to the trailer's good
technical condition, it can be connected to tractor. 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 brake, electrical and hydraulic system conduits.
Raise support to transport position.
Switch on individual lights, check correct operation of electrical system.
Turn hydraulic tipping system valve to position "O". Conduct test tipping of
load box backwards and sideways. Open and close the rear wall – version
663/4 SILO.
When moving off check if the main brakes operate correctly.
Perform test drive.
Detailed description can be found in section 5.12.
4.3
Pronar T663/4 T663/4 SILO