Sumitomo SM-HYPONIC Hypoid User Manual

MOTOR SM-HYPONIC
14
TROUBLESHOOTING
Problem Possible Cause Corrective Action
Overloading
Load exceeds the capacity of the Check rated capacity of the SM-Hyponic; replace
SM-Hyponic with unit of sufficient capacity or reduce load.
Improper
Insufficient lubrication Check lubricant level and increase to recommended level.
lubrication
Excessive lubrication Check lubricant level and reduce to recommended level.
Wrong lubricant Flush out and refill with correct lubricant as recommeded.
Loose
Weak mounting structure
Inspect mounting of SM-Hyponic. Tighten loose bolts and/or
Foundation
reinforce mounting structure.
bolts
Loose bolts Tighten bolts.
Failure
May be due to lack of lubricant
Replace bearing(s). Clean and flush SM-Hyponic; fill with
of
recommended lubricant.
bearings
Overload
Check rated capacity of SM-Hyponic, replace with unit of
sufficient capacity or reduce load.
Insufficient Level of lubricant in the SM-
Check lubricant level and adjust to factory recommended level.
lubricant Hyponic not properly maintained
Overloading of reducer can
Replace broken shaft. Check rated capacity of SM-Hyponic.
Motor shaft
cause damage
broken
Key missing or sheared off on
Replace key.
input shaft
Motor
Motor Refer to Motor section of Troubleshooting Guide.
doesn’t turn
Faulty switch contact Adjust the contact.
Blown fuse Replace.
Makes a
One phase wire of the power
Replace.
groaning
supply open
sound Stator coil open Repair by rewinding or replacing stator assembly.
Stator and rotor touching due to
Replace the bearing and bracket.
bearing housing wear
Starts in
either
direction
Three phase is operating as
Check the power source with a voltmeter.
when turned
single-phase
by hand
Stator coil open Repair by rewinding or replacing stator assembly.
Power failure Contact the power company.
Doesn’t
Open connection Check the source wiring.
make any Outside the
wire
noise motor
Faulty switch Adjust the contact.
contact
Faulty starter
contact
Rotates in
the wrong Connection error Change any two of the three-phase source.
direction
Fuse blows Shorted lead wire Replace.
Speed
doesn’t Faulty starter contact Adjust.
increase
Table 20 Quick Troubleshooting Guide
Runs Hot
Vibration or
noise
Output shaft
does not
turn
Load is
disconnected
but motor
doesn’t
rotate
Rotates with
the load
disconnected,
but:

Sumitomo SM-HYPONIC Hypoid Specifications

General

Brand	Sumitomo
Model	SM-HYPONIC Hypoid
Category	Engine
Language	English