33 REAR AXLES ELEMENTS33 - 8Brake cylinderTIGHTENING MOMENTS (daNm)Wheel attachment screw 7.5Rear wheel steering knuckle nut 22Purgingscrew 1Brake rigid piping connection screw 1.5Cylinder attachment screw on plate. 1Dismounting pliers for shoes return spring FR 03Plug extractor pliers RO 441SPECIAL TOOLSADISMOUNTINGLoosen the rear wheel attachment screws.With the vehicle placed on an elevator withtwo columns,dismount:- the wheel;- the drum plug;- brake drum;- upper spring for shoes return, usingpli-ers FR03.Space the brake shoes.Unscrew:- the rigid piping connection on the brakecylinder by meansof an open-endwrench;- the two attachmentscrews of the brakecylinder on the brake plate;- remove the brake cylinder.Check the condition of the shoes brakelining.REMOUNTINGClean the drums and the brake shoes as-sembly by means of a cleaner (vacuumcleaner) for brake.Perform in reverseorder the dismountingoperations:vnx.su
