Bigab T-7, Instruction Manual, Page: 40 / 42

Dump trailer T-7
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38
TroubleshooTIng
These troubleshooting instructions are intended to help you determine the cause of breakdown.
problems when driving
fault symptom reason and action
The trailer runs abnormally heavily
The brakes may be on or the wheel bearings may be worn.
Adjust the brakes and/or replace the wheel bearings.
The trailer runs abnormally heavily Low air pressure. Fill with air.
Trailer rocks a lot while moving Low air pressure. Fill the tyres with air.
problems with electrical equipment
fault symptom reason and action
Problem with lights
The light stops working. Replace bulb.
Check and clean the electrical connections.
Wire damaged or broken. Check and repair the fault.
problems with the hydraulic equipment
fault symptom reason and action
Air in the hydraulic system
Locate the leak and eliminate the defect. Check the oil level.
Check the quick release couplings between the towing
vehicle and trailer.
Low oil pressure. Adjust the oil level.
The hydraulic cylinder's piston seal
leaks.
Contact an authorised workshop.
Noise from the hydraulic system.
Air has entered the system. Locate where the air is entering
and eliminate the defect.
Oil leak Replace faulty hose. Adjust/tighten the hose couplings.