J. D. NEUHAUS JDN mini Series Operation And Assembly Instructions
Also see for JDN mini 1000: Installation and operation manual
                                                | |
Contents
| 
The braking action is applied at the lateral surfaces ofthe rotor. The rotor is pressed via spring force from thecover side of the motor against a brake disc located onthe opposite side by means of a brake piston. Remove the nameplate 1. Release the lock nuts 14 of the adjusting bolts 13(4 screws). Screw in the adjusting bolts 13 to the stop in thecover; do not tighten. Then screw back the adjusting bolts 13 45° fromthe stop, hold and lock with the nuts 14. Attach the nameplate.R E M O VA LProceed as follows when removing the brake disc andbrake piston: Disconnect the hoist from the main air supply. Unscrew the nameplate 1. Remove the cover bolts 2 behind the nameplate anddetach the cover 3 (when the cover bolts are removed,the tension of the brake springs 4 is fully released). Remove the springs 4. Remove the brake piston 7 from the cylinder liner 8. Pull out the rotor 9, collecting the vanes 10 andstarting aids 11.N O T EIf you only wish to replace the vanes with the startingaids, please continue with the section ˝Checking forvane wear˝. Pull out the cylinder liner 8. Remove the brake disc 12. Check the brake disc 12 and brake piston 7 for wearand damage, replace if necessary. The circular wearpattern must not be deeper than 0.2 mm.The extremely low-wear braking material will not reachthe wear limit of 0.2 mm within the design-dependentservice life of the hoist, under intended use.A D J U S T I N G T H E B R A K ER E P L AC I N G B R A K E D I S C , B R A K E P I S T O NA N D VA N E S / M O T O R I N S TA L L AT I O Npowered by air!MAINTENANCEPage 36Replacing brake discs, brake piston and vanes / Motor installation128 10 91174 3 2 113/14 |
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine