Airo X RT Series, Use And Maintenance Manual

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Use and Maintenance Manual - X_RT Series Page 58
7.3.1 Various adjustments
Check the conditions of the following components
and, if necessary, tighten after the first 10 working
hours and, afterwards, at least once a year:
1)
Wheels nuts and wheels nuts blocking pins
2) Traction motor fixing screws
3) Steering cylinder fixing screws
4) Platform and guard rails fixing screws
5) Hydraulic fittings
6) Booms pins locking nuts and rings
7) Elastic supports of heat motor
8) Mobile platform mechanical end stops
For torque wrench setting refer to the table below.
Fig. 20
TORQUE WRENCH SETTING
(S.I. thread, normal pitch)
Class 8.8 (8G) 10.9 (10K) 12.9 (12K)
Diameter kgm Nm kgm Nm kgm Nm
M4 0.28 2.8 0.39 3.9 0.49 4.9
M5 0.55 5.5 0.78 7.8 0.93 9.3
M6 0.96 9.6 1.30 13.0 1.60 16.0
M8 2.30 23.0 3.30 33.0 3.90 39.0
M10 4.60 46.0 6.50 65.0 7.80 78.0
M12 8.0 80.0 11.0 110 14.0 140
M14 13.0 130 18.0 180 22.0 220
M16 19.0 190 27.0 270 33.0 330
M18 27.0 270 38.0 380 45.0 450
M20 38.0 380 53.0 530 64.0 640
M22 51.0 510 72.0 720 86.0 860
M24 65.0 650 92.0 920 110 1100
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