3 608 878 300 Tightening Technology | Bosch Rexroth AG 633/641
System 350 | 3 608 878 300/2019-03
7.8.3.3 Function and accuracy check of the nutrunner
Recommendation: Check the function and accuracy of the ErgoSpin hand-held nutrunner by means of a
rotation of 90° to the tightening axis. For the test, create a tightening program with a speed of 0, angle of
turn tolerance window for the output drive of 88° - 92° and a tightening time of approx. 5 seconds.
After start-up of the tightening program, the hand-held nutrunner is moved by 90° in the direction of the
tightening axis.
Fig. 7–50: Function and accuracy check of the ErgoSpin hand-held nutrunner
The test result is illustrated in the graph display.
7.8.3.4 Error messages
The following system errors may occur:
• System error e.g. shock error (error code 373, 529 and 1246)
• Error codes 350, 351 and 352
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