Fliegl ULW, Operating Instructions Manual, Page: 36 / 84

ULW transfer trailer Transport and installation
Fliegl Agrartechnik GmbH, 84453 Mühldorf am Inn, Germany
34 of 85
4.2.4 Establishing hydraulic connections
A hydraulic oil supply and control by the towing vehicle are required for all work functions. The tractor
must have at least one single-action control valve with free return in order to start the tipping process.
Procedure:
Connect the plug-in coupling, SVK coupling
size 3, to the correct SVK sleeve on the
towing vehicle and check that it is correctly
engaged.
Fig. 24
:
Hydraulic connections
General safety instructions for the hydraulic system
1.
The hydraulic system is under high pressure.
2. When connecting hydraulic hoses to the towing vehicle hydraulics, make sure that the
hydraulics are depressurised on both the towing vehicle and trailer side.
3. When coupling and uncoupling, ensure that the couplings of the hydraulic hoses are/do not
become dirty.
4. Check hydraulic hoses and couplings regularly and replace them if they are damaged or old (at
least every 6 years).
5. The replacement hoses must meet the requirements of the machine manufacturer.
6. When locating leaks, use suitable aids due to the risk of injury.
7. Never try to close leaks with your finger.
8. Liquids (hydraulic oil) escaping under high pressure can penetrate the skin and cause serious
injuries.
9. In case of injuries, consult a physician immediately

risk of infection.
10. Before working on the hydraulic system, depressurise it and switch off the tractor engine.
11. Only specialist workshops are permitted to perform repair work on the hydraulic system.
12. Ensure that the oil is of the required grade.
13. Caution when draining hot oil

risk of burns!