Checking And Maintaining Tyres - Krone Fortima F 1250 Original Operating Instructions

Maintenance
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13.15.1

Checking and maintaining tyres

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Fig. 268
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When loosening and tightening the wheel nuts, observe the order indicated in the illustration. 10
operating hours after they have been mounted, check the wheel nuts and retighten them if
necessary. After that, check them every 50 operating hours to make certain they are tight.
Check the tyre pressure at regular intervals and refill if necessary. The tyre pressure depends
on the size of the tyres. The values are listed in the table.
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Tightening Torque
Threading
M12 x 1.5
M14 x 1.5
M18 x 1.5
M20 x 1.5
M20 x 1,5
M22 x 1.5
M22 x 2
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306
1
6
4
2
Key size in Number of bolts
mm per hub - pieces
19
22
24
27
30
32
32
3
5
KS-0-034
Max. tightening torque
black
4/5 95 Nm
5 125 Nm
6 290 Nm
8 380 Nm
8 380 Nm
8/10 510 Nm
10 460 Nm
galvan.
95 Nm
125 Nm
320 Nm
420 Nm
420 Nm
560 Nm
505 Nm