Krone Big Pack 4x4 - Tyre air pressure

Maintenance
249
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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 Key size in
mm
Number of bolts
per hub - pieces
Max. tightening torque
black galvan.
M12 x 1.5 19 4/5 95 Nm 95 Nm
M14 x 1.5 22 5 125 Nm 125 Nm
M18 x 1.5 24 6 290 Nm 320 Nm
M20 x 1.5 27 8 380 Nm 420 Nm
M20 x 1,5 30 8 380 Nm 420 Nm
M22 x 1.5 32 8/10 510 Nm 560 Nm
M22 x 2 32 10 460 Nm 505 Nm
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12.8.2 Tyre air pressure
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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Tyre identification Machine type
BiG PACK
Minimum
pressure [bar]
Vmax<= 10
km/h
Maximum
pressure
[bar]
Recommended
tyre pressure*
(bar)
Vmax<=40 km/h
for single axle
Vmax<=50 km/h
for tandem axle
Feeler wheels:
15x6.00 - 6 10 PR
All 3.7 1.5
Single Axle:
800/45 R 26.5 174 D
4x4 1.2 4.0 2.4
Tandem Axle:
500/55-20 150 A8
4x4 (XC) 1.6 3.0 3.0
550/45-22.5 20 PR
4x4 (XC) 1.2 4.0 3.5
620/50 R 22.5 154 D
4x4 (XC) 1.2 3.2 2.4
710/50-26.5
4x4 (XC) 1.2 4.0 1.8
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*) This recommendation applies especially to the typical mixture of operation (field/road) at
the maximum permitted machine speed.
If necessary, the tyre air pressure can be reduced to the minimum air pressure. However,
the associated maximum speed must then be observed.
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