Geax XD5, Maintenance Manual, Page: 12 / 41

GEAX
s.r.l.
Chapter 2
DRILLING MACHINE SCHEDULED MAINTENANCE 2-7
2.3.2
Pulleys scheduled inspection
The pulleys are made of synthetic composite material and are subject to
wear. The table
tab.2.3.2.1
indicates the inspection frequency.
Pulleys inspection
Operation Frequency
[hours]
Inspection, with the mast tilted, of the integrity of the pulleys of
the main winch.
at the beginning of each
work shift
Inspection, with the mast tilted, of the integrity of the pulleys of
the auxiliary winch.
at the beginning of each
work shift
Size inspection of all pulleys according to the tolerances of tab.
2.3.2.2
200
tab.2.3.2.1
Pulley grooves dimensions
Main Winch Pulley
Condition:
new
A= 13,5
[mm]
Condition:
maximum wear
C
A+c= 15,5
[mm]
Auxiliary Winch Pulleys
Condition:
new
A= 11
[mm]
Condition:
maximum wear
C
A+c= 12,5
[mm]
tab.2.3.2.2