GEAX
s.r.l.
Chapter 2
DRILLING MACHINE SCHEDULED MAINTENANCE
2-9
FREQUENCY OF BOLT TIGHTENING OPERATIONS
P
os
it
ion
NUT
S
A
ND
B
O
LTS
fi
g.
2.4
.1.1
DESCRIPTION
F
RE
Q
UE
N
CY
O
F
INT
E
R
V
E
NT
IO
N
[ho
urs
]
S
E
LF
-LO
CK
ING
NUT
CLA
S
S
1
Slewing ring fixing bolts (outer side)
Slewing ring fixing bolts (inner side)
200
No
Yes
10.9
2
Main Winch fixing bolts
200
No
10.9
3
Main Winch fixing bolts
200
Yes
10.9
4
Auxiliary Winch fixing bolts
200
No
10.9
5
Auxiliary Winch fixing bolts
200
Yes
10.9
6
Rotary box structure fixing bolts
200
Yes
10.9
7
Rotary motors fixing bolts
200
No
12.9
tab.2.4.1.2
Summary of Contents for XD5
Page 1: ...MAINTENANCE MANUAL Rev 01 17 GEAX s r l XD5...
Page 20: ...GEAX s r l Chapter 3 MAINTENANCE ACCORDING TO THE CONDITIONS OF THE DRILLING M 3 3...
Page 21: ...GEAX s r l Chapter 3 MAINTENANCE ACCORDING TO THE CONDITIONS OF THE DRILLING M 3 4...
Page 22: ...GEAX s r l Chapter 3 MAINTENANCE ACCORDING TO THE CONDITIONS OF THE DRILLING M 3 5...