Parker LCB Series Installation, Commissioning, Maintenance And Repair

Also see for LCB Series: Mounting instructions

Contents

Parker LCB Series Installation, Commissioning, Maintenance And Repair Manual pdf 19 page image

Parker EME Maintenance and service192-510014 N04 March 2010 193.5 Checking / exchanging / tensioning timing beltVisual inspection of the timing beltA certain sign of wear may have different causes so that it is not always possible, to determine theexact cause. The following table shows possible causes for typical damages:Kind of error mögliche Ursache ActionAbnormal wear of loaded toothflanks of the belt Faulty belt pre-tension Exchange timing belt, set pre-tension.Overload Exchange timing belt, set pre-tension.Check, if the load is in the admissible range.Abnormal wear at the tooth rootsurface of th belt Pre-tension too high Exchange timing belt, set pre-tension.Drive torque too high Verify drive dimensioning.Abnormal wear at the side flank ofthe belt Faulty alignment of timing belt Exchange timing belt, set pre-tension.Twisted edge of theroller/pulleyPlease contact us.Sheared off belt teeth Pre-tensioning too weakOverload (by collision)Exchange timing belt, set pre-tension.Splits at the belt teeth Faulty belt pre-tension Exchange timing belt, set pre-tension.Overload Exchange timing belt, set pre-tension.Check, if the load is in the admissible range.Deterioration of the beltmaterialExchange timing belt, set pre-tension.Breaking of the timing belt Faulty belt pre-tension Exchange timing belt, set pre-tension.Overload Exchange timing belt, set pre-tension.Check, if the load is in the admissible range.Softening of the timing belt material Operating temperature toohighExchange timing belt, set pre-tension.Lower operating temperature.Contact with solvent Exchange timing belt, set pre-tension.Do not clean belt with solvents.Skipping of teeth, loss of machinezero Pre-tension too lowWrong motor position (below)with vertical applicationSet pre-tension correctly.If possible move driveupwards Alternatively: Increase pre-tensionor reduce load in lengthwise direction.