h16tp(x - AJ Maskin AS

Sheet C051CORRECTIVE MAINTENANCE SHEETCHANGING THE SWING JOINTFolio 1/1Caution!Ensure that the oil is not toohot.Caution!Use a container to collect oilto prevent pollution of theenvironment.Caution!It is essential to put thecomponent in slings beforedismantling/re-assembling it.1 - Preliminary operations• Lift the arms sufficiently to enable access to the swing joint.• Place wedges under the arm to support it.• Put the machine in the maintenance configuration (see correspondingparagraph).• Switch off electric power (see corresponding paragraph).• Block turntable rotation using the blocking pin.2 - Removing the swing joint• Open the chassis box, mark and disconnect all electric connectors (5).• Remove the wiring harness (2) that passes through the swing joint.• Mark and disconnect the hoses and hydraulic caps (1) on the swing joint(3), turntable and the bottom of the chassis.NB:Unscrew the hoses slowly to release residual hydrualic pressure.• Put caps on the hoses.• Put the swing joint into slings.• Remove the stop (4) of the swing joint by removing the 2 fixing screws.• Remove the 3 fixing screws from the swing joint on the chassis.• Remove the swing joint.12 33 - Installing the swing joint• Put the swing joint into place and fix with the fixing screws equipped withnew washers.• Block swing joint rotation using the swing joint stop.• Fix the swing joint stop using the two fixing screws equipped with newwashers.• Re-connect the hydraulic hoses and caps on the swing joint according tothe marks made during dismantling.• Pass the wiring harness through the swing joint and re-connect the electricconnections in the chassis box according to the marks made duringdismantling.44 - Additional operations• Put the machine back into the operational configuration.• Remove the wedges from under the arm.• Make several steering and travel movements, using all possible travelspeeds to purge the hydraulic circuit.• Check the level of the hydraulic oil tank.2 5