Checking Hydraulic System Tightness - PRONAR T900 Operator's Manual

SECTION 5
• checking tightness and visual inspection of the system,
• checking technical condition of hydraulic connections.
ATTENTION
Use the hydraulic oil recommended by the Manufacturer. Never mix two types of oil.
The condition of hydraulic systems should be inspected regularly while using trailer.
DANGER
Do NOT use the trailer with unreliable hydraulic system of the sliding wall.
Do NOT use the trailer if hydraulic suspension system (option) is unreliable.
Do NOT use the trailer if hydraulic brake system is unreliable.
Do NOT use the trailer if hydraulic tailgate system is unreliable.
The hydraulic system is under high pressure when operating.
5.5.2

CHECKING HYDRAULIC SYSTEM TIGHTNESS

Required maintenance actions
Hitch trailer to tractor.
Connect all hydraulic system conduits according to maintenance instructions.
Clean connections and cylinders (cylinders of sliding wall, tailgate cylinders
and possibly, hydraulic brake cylinders and suspension cylinders).
Shift the sliding wall maximally to the rear and tip it – repeat the actions
several times.
Open and close the tailgate several times.
Press tractor brake pedal several times.
Perform test drive while observing the operation of the hydraulic steering
system.
Open and close the side hinged wall several times.
Only if the trailer is equipped with hydraulic brake system.
The help of a second person is required.
5.23
Pronar T900