ETP TBP81-55-10 EN Service
© Atlas Copco Industrial Technique AB - 9839 0853 01
23
Test After Service
Tool Condition Test
A Static Torque Transducer SRTT
B STa6000
Test the maximum torque and pulse frequency
Set the filter frequency in STa6000 to 850 Hz.
Test the max torque and pulse frequency using a SRTT static torque transducer. Tightening time approxi-
mately 1 second.
Test Conditions
Temperature pulse unit: approximately 20° C.
In POWER FOCUS 6000, change Tool → Adjustment → Torque Adjustment Factor to 50%, prevents the
tool from shutting off. Measure torque and pulse frequency rate clockwise in the SRTT for about 1 second.
Check that the values meet the specified limits in table below.
A tool in good condition should achieve the following values:
Model Pulse frequency
Max Torque CW static (minimum)
(Nm)
ETP TBP/TBP-S 6 14-20 Hz > 42 Nm
ETP TBP/TBP-S 6 (42) 10-20 Hz >37 Nm
ETP TBP/TBP-S 8 14-20 Hz > 64 Nm
ETP TBP/TBP-S 9 10-20 Hz > 97 Nm
ETP TBP/TBP-S 13 8-15 Hz > 181 Nm
Torque Check on Actual Joint
1. Use the same equipment and settings. For example extensions, sockets and tightening program on
the test joint, as will be used on the actual joint.
2. When performing a torque check on the actual joint we recommend using an STWrench with residual
measurement* setting.
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