Sumitomo Bevel BUDDYBOX 3 Series

Questions and Answers

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Daniel MccannAug 15, 2025
Why is there excessive temperature rise in my Sumitomo Bevel BUDDYBOX 3 Engine?
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  Bryan PenningtonAug 16, 2025
  If the Sumitomo Engine experiences excessive temperature rise, it could be due to several reasons. It may be caused by an overload, in which case you should decrease the load to the specified value. Another potential cause is voltage drop or voltage rise, requiring you to contact the electric power company. High ambient temperature can also lead to this issue, suggesting the need to improve the ventilation method. Lastly, damaged bearings or gears could be the culprit, necessitating the return of the unit to the factory for servicing.
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David ParkerAug 25, 2025
Why does the output shaft turn without a load on my Sumitomo Bevel BUDDYBOX 3 Engine?
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  Nicole Henson DDSAug 25, 2025
  If your Sumitomo Engine output shaft turns without a load, it could be due to several reasons. The switch might have insufficient capacity, so replace it with a specified one. There might be an overload, in which case you should decrease the load to the specified value. The fuse might also have insufficient capacity, so replace it with a specified one. A voltage drop could also be the cause, so contact the electric power company. If the motor stator coil is short-circuited, return the unit to factory for servicing.
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Christy BarberAug 27, 2025
What to do if Sumitomo Engine motor stops?
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  Terry KingAug 27, 2025
  If your Sumitomo Engine motor stops, it could be due to a few reasons. The key may be missing, so install a key. The bearing could be burned, requiring you to return the unit to factory for servicing. There might also be poor adjustment of the protective device, so adjust the protective device.
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robertsnathanAug 30, 2025
Why is my Sumitomo Bevel BUDDYBOX 3 experiencing oil leakage?
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  tylersinghAug 31, 2025
  If your Sumitomo Engine is leaking oil, it could be due to several reasons. The oil seal might be damaged, requiring you to return the unit to factory for servicing. Loose bolts could also be the cause, so tighten bolts correctly. Alternatively, the oil seal might be damaged, so replace the oil seal with a new one. Finally, there might be excessive oil/grease supply, so remove excess oil/grease.
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Heather KellySep 2, 2025
What to do if Sumitomo Bevel BUDDYBOX 3 motor runs without a load but the output shaft does not rotate?
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  jesse00Sep 3, 2025
  If the Sumitomo Engine motor runs without a load but the output shaft does not rotate, it is probably due to damage from overloading of gears. Return the unit to the factory for servicing.
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Paul DouglasSep 5, 2025
Why is the fuse tripping in my Sumitomo Engine?
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  Mr. Benjamin PetersonSep 5, 2025
  If your Sumitomo Engine is tripping the fuse, it could be due to a couple of reasons. The outlet wire might be short-circuited, requiring you to return the unit to factory for servicing. Another possible cause is poor contact between the motor and starter, so complete the connection.
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Chelsea NorrisSep 8, 2025
How to fix Sumitomo Engine motor running in reverse direction?
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  amanda25Sep 8, 2025
  If your Sumitomo Engine motor runs in the reverse direction, it's likely due to a connection error. To resolve this, change the connection.
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Michelle HuffmanSep 12, 2025
Why is my Sumitomo Bevel BUDDYBOX 3 motor making abnormal sounds?
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  Lindsay LopezSep 12, 2025
  If your Sumitomo Engine motor is making abnormal sounds, it could be due to a couple of reasons. Foreign matter might have entered the motor, so remove the foreign matter. The bearings could also be damaged, requiring you to return the unit to factory for servicing.
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christine15Nov 17, 2025
What to do if Sumitomo Engine motor will not operate under load?
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  ustrongNov 18, 2025
  If your Sumitomo Engine motor will not operate under load, it could be due to several reasons. It may be due to a power failure, in which case you should contact the electric power company. It could also be a defective electric circuit, so check the circuit. Another possible cause is a blown fuse; replace the fuse with a new one. Alternatively, the protective device may be engaged, so disengage it. The load may be locking, so check the load and safety device. Poor switch contact can also be the cause, so adjust the contact area section. In case of disconnection of motor stator coil or broken bearing, return the unit to factory for servicing. Finally, if the 3-phase is functioning as single-phase, check the power supply with a voltmeter and inspect the motor, coil in the transformer, contac...
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Melinda SanchezNov 20, 2025
Why does my Sumitomo Engine have abnormal sound and vibration?
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  Nathan SchroederNov 20, 2025
  If your Sumitomo Engine is making abnormal sounds or vibrations, it could stem from several issues. Dust or foreign matter might have entered the bearings, or the bearings themselves could be damaged, requiring you to return the unit to the factory for servicing. Another cause could be a damaged gear, also necessitating factory servicing. If the installation surface isn't flat, it can distort the housing; in this case, flatten the base or use shims for adjustment. Insufficient rigidity of the installation base can cause resonance, so reinforce the base to increase rigidity. Misalignment of the shaft with the driven machine can also cause this, so align the shaft centers. Finally, the vibration might be transmitted from the driven machine, so operate the gearmotor or reducer individually to...

Summary

Inspection Upon Delivery

Nameplate and Nomenclature Inspection

Transportation

Installation

Place of Installation

Specifies ambient temperature, humidity, altitude, atmosphere, and location requirements.

Coupling with Other Machines

Confirmation of Direction of Rotation

Details how to check motor and reducer output shaft rotation direction for Bevel and Helical BUDDYBOX.

Installation of Coupling

Guidelines for coupling installation, centering accuracy, and use with chain sprockets or V-belts.

Wiring

Motor Connection

Shows motor connection diagrams and terminal codes for various starting methods.

Operation

Daily Inspection and Maintenance

Daily Inspection

Daily checks for electric current, noise, vibration, temperature, oil level, and leaks.

Lubrication Method

Details lubrication methods for various gear types and locations of maintenance info.

Oil Supply and Change

Information on oil change intervals, recommended lubricants, and allowable viscosities.

Oil Supply and Discharge

Grease Supply and Replacement

Timing for grease supply and replacement for lubricated input sides.

Recommended Grease

Lists recommended greases based on ambient temperature and reduction ratio.

Grease Supply and Draining Procedure

Steps for supplying and draining grease for grease-lubricated models.

Troubleshooting

Sumitomo Bevel BUDDYBOX 3 Series Specifications

General

Protection Class	IP65
Type	Bevel Gearbox
Efficiency	Up to 98%
Lubrication	Grease or Oil
Housing Material	Cast Iron
Input Configurations	Solid Shaft, Hollow Shaft
Output Configurations	Solid Shaft, Hollow Shaft, or Flange
Model	BUDDYBOX 3 Series
Mounting Position	Universal