Epson ProSix S5 Series User Manual

Maintenance 2. Periodic Inspection
S5 Rev.5 87
2.4 Tightening Hexagon Socket Head Cap Bolts
Hexagon socket head cap bolts are used where mechanical strength is required. These
bolts are fastened with the tightening torques shown in the following table.
When it is necessary to refasten these bolts during procedures in this manual (except
special cases as noted), use a torque wrench so that the bolts are fastened with the
appropriate tightening torques as shown below.
Bolt
Tightening Torque
M3
245 N
⋅
cm
(25 kgf
⋅
cm)
M4
490 N
⋅
cm
(50 kgf
⋅
cm)
M5
980 N
⋅
cm
(100 kgf
⋅
cm)
M6
1,760 N
⋅
cm
(180 kgf
⋅
cm)
M8
3,720 N
⋅
cm
(380 kgf
⋅
cm)
M10
7,350 N
⋅
cm
(750 kgf
⋅
cm)
M12
12,740 N
⋅
cm
(1,300 kgf
⋅
cm)
We recommend that the bolts aligned on circumference should be fastened in a crisscross
pattern as shown in the figu
re below.
1
5
3
7
2
6
4
8
Bolt hole
Do not fasten all bolts securely at one time. Divide the number of times that the bolts are
fastened into two or three times and fasten the bolts securely with a hexagonal wrench.
Then, use a torque wrench so that the bolts are fastened with the tightening torques shown
the table above.

Epson ProSix S5 Series Specifications

General

Brand	Epson
Model	ProSix S5 Series
Category	Robotics
Language	English