Geax XD5, Maintenance Manual, Page: 35 / 41

GEAX
s.r.l.
Chapter 4
MAINTENANCE ON URGENT FAULTS OF THE DRILLING M. 4-6
fig.4.4.1.1
•
switch the engine off;
•
make sure that the hydraulic oil is at room temperature;
•
depressurise the hydraulic circuit by loosening the hydraulic pipes
downstream the block valve (provide a suitable oil collection container);
at the same time beware of any mast movements ;
•
fully detach the oil supply pipes, protecting the fittings (ends) from
contacts which may dirty them and let impurities circulate during
reassembly;
•
pull out the first pin, positioned below, and getting ready to accompany
cylinder rotation;