h16tp(x - AJ Maskin AS

CORRECTIVE MAINTENANCE SHEETSheet C077CHANGING A CONTROL UNITFolio 1/1ON THE DISTRIBUTION BLOCKCaution!Ensure that the oil is not toohot.HA16/18PX - HA46/51JRT11 - Preliminary operations• Put the machine in the maintenance configuration (see correspondingparagraph).• Switch off electric power (see corresponding paragraph).2 - Removing the control unit• Remove the 4 fixing bolts and silent-blocks (1) from the turntable box.NB:One of the bolts also holds the horn.• Place the turntable box and the horn on the wheel.• Mark and disconnect the electric connections (2) of the control unit (3).• Remove the control unit by removing its 4 fixing screws (4).• Discard the O-rings (5).3 - Installing the control unit• Replace the O-rings.• Install the control unit and fix using the 4 fixing screws. Tighten the screwsto a torque of between 7.5 and 8.5 N.m (5.53 and 6.26 lb.ft).• Reconnect the control unit’s electric connections.HA16/18PX New design• For HA16/18PX and HA46/51JRT old design- Install the turntable box and horn, and fix with the 4 fixing bolts and silentblocks.• Put the machine back in the operational configuration.• Test the movement corresponding to the replaced control unit. Make severalmovements to purge the hydraulic circuit.• Check the level of the hydraulic tank.324HA46/51JRT New Design35