Operation
The proper tightening torque may differ depending upon the kind or size of the bolt. The relation between tightening torque and tightening time is shown in the figures below.
Standard bo1t
| kg | cm |
|
|
|
|
|
| I f f . | Ibrl |
|
|
|
|
|
|
|
| M I 4 l9/16'1 at high rpssd |
|
| ||
|
|
|
|
|
|
| Proper lightening lorqua |
|
|
|
|
|
|
| lor M14 l9/16"1 |
|
|
|
|
|
|
| Proper tightening torque |
|
|
|
|
|
|
| lor M12 1112''I |
|
|
|
|
| M I 0 13/8"l S I low speed |
| |
|
|
|
|
|
|
| Proper ttghtenmg torque |
|
|
|
|
|
|
| lor M I 0 1318") |
|
|
|
|
|
|
| Proper tightening torque |
|
|
|
|
|
|
| lor M8 15116'1 |
| I | I | I |
|
| 1 |
|
| 0 |
|
|
| |||
| 1 | 2 | 3 | 4 | 5 | seconds | |
|
|
|
| Tightening time |
|
| |
High tensile bolt |
|
|
|
|
| ||
| kg | cm |
|
|
|
|
|
| 111 | Ibd |
|
|
|
|
|
| 800 |
|
|
|
|
|
|
% | 1581I |
|
| MI0 13/8"l a i high speed | |||
600 |
|
|
|
|
| Proper lightening torque | |
6 | 1431- |
|
|
|
|
| lor MI0 l3/8"1 |
m |
|
|
|
|
|
|
|
2 2 1 - |
| M8 l5/16'1 at high speed |
|
| |||
|
|
|
|
|
| ||
|
|
|
|
|
|
| Proper lightening torque |
| 2w - |
|
|
|
|
| lor M8 l5/16'l |
|
|
|
|
|
|
| |
| 1151 |
|
|
|
|
|
|
| 0 | I | 1 | I | I | I |
|
| 1 | 2 | 3 | 4 | 5 | IeCondl | |
Tighiening time
Hold the tool firmly and place the socket over the bolt or nut. Turn the tool on and tighten for the proper tightening time.
9
