horsch Leeb 5.280 VL, Operating Instructions Manual

Page: 283 / 308

Maintenance overview chassis
Maintenance location Work instructions Interval
After 10 operating hours
Retighten all screw and plug-in
connections as well as the hydraulic
connections.
Even firmly tightened screw connections can come loose
(e.g. because of material settlement or paint residues
between the screw elements). This may lead to loose screw
connections and leaking hydraulic connections.
Once
Retighten all wheel nuts
M22 x 1.5 - 510 Nm [375 ft lb]
¾
initially after 10 hours or 50 km
¾
again after 10 hours or 50 km
¾
then retighten daily until the screws have settled and further tightening
is no longer possible.
¾
then always before the start of the season and every 50 operating hours
during use.
Cabin filter system
Before the season
Complete machine
Read the operating instructions carefully as a refresher.
Check all screw connections for firm seating and retighten as necessary
Check condition and function of all protective features and replace, if
necessary
Check electrical lines for damage and replace, if necessary.
Check the function and leak tightness of the hydraulic system and water
system.
In use
Hydraulics
WARNING
Lock all hydraulically operated parts before any work on the hydraulic
system. Depressurise the hydraulics! Empty the pressure accumulators.
Allow hydraulic oil and hydraulic components heated during operation to
cool down before any work on the hydraulic system.
Observe the notes on hydraulics in the chapter
Safety and Responsibility .
Hydraulic system and components
Check all hydraulic components and hoses for function,
leak tightness, fastening and chafing
50 h
Hydraulic hoses
Check the hydraulic hoses regularly for damage (cracks, chafing, etc.).
Replace damaged and faulty hoses immediately.
Hydraulic hoses must be replaced after 6 years. Pay attention to the
manufacturing date on the crimp sleeve (year/month) and the hose
(quarter/year):
Crimp sleeve Hose
Depending on the conditions of use (e.g. weather influences) or in case of
higher strains on the machine the hoses may need to be replaced earlier.
Have the hydraulic system checked by an expert at least once every year.
In addition, follow the country specific regulations and directives.
Hydraulics pressure filter Replace element
1200 h or
annually
MF 279