1 Preface The enclosed instructions review the transportation, storage, assembly, usage and maintenance of Kuma worm speed reducers, etc. 2 Safety Notes • Please read the instructions carefully before operation of the gearbox and present the instructions to the user for proper usage and care. •...
Worm Gear Reducers Chart 1 NOTE: • Never use hammer to hit the belt pulleys, couplings, pinions, etc. onto the shaft end. It will damage the bearing, housing and the shaft. • It may be easier to assemble, if you fi rst apply lubricant to the output element or heat it up briefl y ( to 80 —100° C ) •...
5 Usage • Don’t drive the reducer with large excessive moments of inertia which could exert a large back driving load on the worm reducer. • Before use, please check and make sure that the reducer center of distance, ratio, shaft connections, output shaft structure, input and output shaft direction and rotating direction are correct according to requirements.
Worm Gear Reducers 6.3 Malfunctions Table 3 Malfunctions Causes Solutions Improper connection between prime mover, reducer and the operation device Adjust to proper position and connection Overloading Adjust to proper load Overheating Over friction of seals Reduce lubricant at oil seal Lubricant overfi lled or shortage Adjust to proper oil level as recommended Oil contamination or inferior oil...
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Lubricant capacity of Kuma series (L) Table 4 Installation Type B6 B7 0.02 0.04 0.08 0.15 0.55 NOTE: * The specifi ed fi ll quantities are recommended values. The precise values could vary with the number of stages and reducer ratio.
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NIDEC MOTOR CANADA CORPORATION 6617 Thimens Blvd St-Laurent, QC – H4S 1W2, Canada Phone: (800) 361-5509 - (514) 332-1880 752 Cochran Dr. Unit 2 Markham, ON, L3R 8E1, Canada Phone: (800) 268-7913 - (905) 479-3219 www.drives.nidec-shimpo.com...