6 - Maintenance8010 Hours Service - Spraying CircuitFill with clean water and operate all functions. Check for leaks using a higher spray pressure than normal. Check nozzle spraypatterns visually using clean water.10 Hours Service - Brakes (optional)Apply brake pedal and check function of trailer brakes.10 Hours Service - Air Tank for Brakes (optional)Drain the air tank for condensed water by opening the drain valve.50 Hours Service - Transmission ShaftCheck function and condition of the transmission shaft protection guard. Replace any damaged parts.50 Hours Service - Wheel NutsTighten wheel nuts as follows.Torque wrench setting for mounting wheel hub to rim plate: 490 Nm.Tightening sequence for wheel nuts: See illustration and tighten in thenumbered order.μ ATTENTION! When wheels has been mounted or re-tightened,the plastic nut covers must be placed on the nuts afterwards.50 Hours Service - Air Brakes (optional)The air brakes are checked for leaks by the following procedure:1. Connect the snap couplers to the tractor. 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.50 Hours Service - Tyre PressureCheck the tyre pressure according to the table in “Technical Specifications”.€ DANGER! Never inflate tyres more than to the pressure specified in the table. Over-inflated tyres can explode andcause severe injuries! See the section “Occasional Maintenance - Change of Tyres”.± WARNING! If renewing tyres, always use tyres with minimum load index as specified.
