28 GTH-4013 SX GTH-4017 SX
Document 57.4403.4200
Section 4 - Maintenance Procedures
May 2008
TABLE
B
B-4 CHECK THE TIGHTENING OF THE WHEEL
NUTS
If you have to check the tightening of the wheel bolts or
replace a wheel, proceed as follows:
-
Raise the machine using a hydraulic jack
-
Remove the wheel rolling it on the ground.
-
Line up the wheel with the axle and fit the 8 nuts.
- Tighten the nuts following the alternate sequence
shown in the picture using a pneumatic screwdriving
machine.
-
Lower the machine to the ground.
Re-tighten all nuts to a torque 400 Nm
.
WARNING
Check the tightening of wheels one hour after the job.
They might get loose until they do not stay correct.
WARNING
On new machines, and when a wheel has been
disassembled or replaced, check the nut torque of
the wheels every 2 hours until they stay correct.
WARNING
Always use tyres having the dimensions indicated
in the vehicle registration card.
1
2
3
4
5
6
7
8
GTH 4013 SX
GTH 4017 SX
Standard - Optional
Dimensions
(front and rear.)
405/70 R20 - 400/70 R24
405/70 R24
Load index
14 pr - 14 pr
14 pr
Rim
13x20 - 13X24
13x24
Wheel disc
8 fori DIN 70361 - 8 fori DIN 70361
8 fori DIN 70361
Pressure
bar/Psi
5.5/80 - 4.6/65
4.5/65