Godrej S.M.A.R.T., Installation And Operational Manual, Page: 15 / 24

|Electricals & Electronics |Power Distribution Solutions
15
Vertical Spring Hangers
Vertical Spring Hanger (400A – 1000A)
Vertical Spring Hanger (1250A – 3200A)
Vertical Spring Hanger (3600A – 6300A)
12. INSPECTION OF JOINT BOLT
Godrej S.M.A.R.T. Busduct System use MF (Maintenance Free) nut at the jointing section which ensures the
proper tightening of the bolt.
12.1.
Tighten the MF nut using either a ratchet wrench or, a torque wrench (set to 1400kg-cm / 14kg-m).
12.2.
Ensure the tightness of the MF nut until the neck of the MF nut is broken. If the MF nut is not tightened properly,
an over-heating of the busduct may occur.
12.3.
The torque values of tightening of the nuts are as shown below. Table 2
NUT SIZE M8 M10 M14
TORQUE VALUE (kg
– cm)
90
– 110
180
– 230
1400
– 1500
TORQUE VALUE (kg
– m)
0.9
– 1.10
1.80
– 2.30
14
– 15
Table 2