Standard Torque Settings - Eaton Matrix Telecom Inverter System Installation And Operation Manual

Matrix Telecom Inverter System

Standard Torque Settings

Use the following torque settings unless specific values are stated on the fastener or elsewhere.
For battery terminals use the torque values specified by the battery manufacturer.
Thread Size
ISO Coarse
M2.5
M3
M4
M5
M6
M8
M10
M12
M16
Notes:
Torque settings are for mild steel, brass and stainless steel.
1
Torque is based on 60% of yield stress of the material. Yield for the purposes of this chart is
2
240MPa.
Tolerance range is 60 - 70 % of yield.
3
When a bolt and nut is torqued use a spanner to prevent rotation.
4
58
Minimum - Maximum Torque
0.3 - 0.4Nm (2.7 - 3.5 inch-pounds)
0.5 - 0.6Nm (4.5 - 5.3 inch-pounds)
1.1 - 1.3Nm (9.8 - 11.5 inch-pounds)
2.3 - 2.7Nm (20.5 - 23.9 inch-pounds)
3.9 - 4.5Nm (35 - 39 inch-pounds)
9.5 - 11.1Nm (85 - 98 inch-pounds)
18.7 - 21.9Nm (166 - 194 inch-pounds)
32.8 - 38.4Nm (292 - 340 inch-pounds)
81.5 - 95.1Nm (724 - 844 inch-pounds)
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IPN 997-00012-68D February 2010