6 - Maintenance
6.6
ATTENTION! When wheels has been mounted or re-tightened,
the plastic nut covers must be placed on the nuts afterwards.
DANGER! Never inflate tyres more than to the pressure specified in the table. Over-inflated tyres can explode and
cause severe personal injuries! See the part “Occasional maintenance - Change of tyre”.
WARNING! If renewing tyres always use tyres with min. load index as specified.
Check function and condition of the transmission shaft protection guard. Replace possible damaged parts.
The air brakes are checked for leaks by following procedure:
1. Connect the snap couplers to the tractor and fill the trailer air tanks.
2. Check for leaks with brakes released.
3. Apply the brake up to full pressure.
4. Check for leaks with brakes applied.
Check the tyre pressure according to the table in “Technical specifications”.
Check the gearbox oil level is reaching the sight glass. Clean the area
areound the filling plug and add fresh, clean oil if the level is low.
Regarding oil quality - see the section “Lubricants”.
Check/retighten the two gearbox mounting bolts to the specified
torque of 100 Nm (74 lbft).
Tighten wheel bolts and nuts as follows with following torque
wrench settings:
Wheel hub to rim plate: 490 Nm (362 lbft)
Tightening sequence: See illustration and tighten in order of num-
bering.
50 hours service - Gearbox bolts
50 hours service - Tyre pressure
50 hours service - Air brakes
50 hours service - Wheel bolts and nuts
50 hours service - Transmission shaft
10 hours service - Gearbox oil level
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