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THE MECHANICAL ELEMENTS CONTROLS 37 37 - 6 DISK FILTER REPLACEMENT DISMOUNTING Dismount the servobrake off the vehicle. - the coupling fork Remove the disk filter (F). REMOUNTING Mount : - the new disk filter Adjust the value L = 107.7 -0.5 mm. Tighten the lock nut E on the coupling fork. RETAINER VALVE REPLACEMENT The operation is performed without dismounting the servobrake off the vehicle. DISMOUNTING Disconnect the connection of the air suc- tion hose with the servobrake retainer valve. Dismount the valve by rotating and then pulling it. Dismount the retainer valve gasket. REMOUNTING Check the state of the retainer valve gasket and replace it if necessary. Mount the new retainer valve gasket. Air filter – servobrake retainer valve A F E |