KINSHOFER AUGERTORQUE SB Series, Operator'S Manual

Page: 42 / 52

42
7.1.5. Check after 50 operating hours
After each initial attachment or re-attachment, e.g. after repairs, after 1
operating hour, and then every 50 operating hours, all fastening screws,
nuts, and hydraulic connections must be checked for stability.
If screwed connections are loose, tighten according to the tightening torques as
specified.
Cylinder and hexagon head cap screws/nuts
[Friction coefficient 0.125]
Quality class 8.8 10.9 12.9 8.8 10.9 12.9
Thread
[metric]
SW
[mm]
Tightening torques
[Nm]
Tightening torques
[ft-lbs]
M5 8
5.8 8.1 9.7 4.3 6 7.2
M6 10 10 14 17 7.5 10.5 12.5
M8 13 24 34 40 20 25 30
M10 17
48 67 81 35 50 60
M12 19 83 117 140 60 85 105
M14 22 132 185 220 95 135 160
M16 24
200 285 340 150 210 250
M18 27 275 390 470 205 290 345
M20 30
390 550 660 290 405 485
M22 34
530 745 890 390 550 656
M24 36 675 950 1140 500 700 840
M27 41 995 1400 734 1032
M30 46 1350 1900 995 1400
M33 50
1830 2580 1350 1903
M36 55 2360 3310 1740 2440
M39 60 3050 4290 2250 3164
M42
65 4500 3320
M48 6500 4795
Locking screws/nuts
[Friction coefficient 0.125]
Type Tensilock screws/nuts Ribbed screws/nuts
Quality class Class 80 Class 100 Class 100
Carrier material Steel Cast iron Steel Cast iron Steel Cast iron
Thread
[metric]
SW
[mm]
Tightening torques
[Nm/ft-lbs]
M6 10 16 / 11.8 13 / 9.6 21 / 15.5 16 / 11.8 19 / 14 16 / 11.8
M8 13
34 / 25.1 28 / 20.7 44 / 32.5 36 / 26.6 42 / 31 35 / 25.8
M10 17 58 / 42.8 49 / 36.1 75 / 55.3 64 / 47.2 85 / 62.7 75 / 55.3
M12 19 97 / 71.5 83 / 61.2 120 / 88.5 105 / 77.4 130 / 95.9 115 / 84.8
M14 22
155 / 114.3 130 / 95.9 185 / 136.4 170 / 125.4 230 / 169.6 200 / 147.5
M16 24 215 / 158.6 195 / 143.8 280 / 206.5 260 / 191.8 330 / 243.4 300 / 221.3
Inspection
Tighten