Sumitomo Cyclo BBB4 Operation And Maintenance Manual
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Sumitomo Cyclo BBB4 Operation And Maintenance Manual

Right angle spiral bevel gearbox
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Cyclo® BBB4
Bevel Buddybox®
Right Angle Spiral Bevel Gearbox
with Cyclo® Reducer Input
Operation and
Maintenance
Manual
Manual 13.604.60.005

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Summary of Contents for Sumitomo Cyclo BBB4

  • Page 1 Cyclo® BBB4 Bevel Buddybox® Right Angle Spiral Bevel Gearbox with Cyclo® Reducer Input Operation and Maintenance Manual Manual 13.604.60.005...

  • Page 2: Table Of Contents

    Cyclo® BBB4 Table of Contents Important Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Motor Wiring Method .

  • Page 3: Important Notes

    • your rights to make a warranty claim. Read this manual and all accompanying documents thoroughly before use . Understand the machine, information on safety, and all precautions for correct operation . Sumitomo recommends making this manual easily accessible for reference at the machine location .

  • Page 4: Delivery

    • the model number on the unit nameplate matches the purchase order • the unit was not damaged during shipping • all bolts and nuts are fully tightened. Please consult your Sumitomo agent, distributor, or sales office if you find any defects or if you have any questions . Nameplate Inspection When contacting Sumitomo about this product, please be prepared to provide the following information from the reducer/ gearmotor nameplate: • reducer or gearmotor model number (nomenclature)

  • Page 5: Nomenclature

    Cyclo® BBB4 Nomenclature Nomenclature Our nomenclature details specific information about our products . Verify that the nomenclature of the unit delivered matches your order . Mounting Style Output Shaft Orientation Type Prefix Type Prefix Shaft Mount (Hollow Shaft) Horizontal Housing Vertical Flange (Solid Shaft) Vertical Up (Solid Shaft)
  • Page 6 Cyclo® BBB4 Nomenclature, continued Nominal and Exact Ratio BBB with Planetary Input BBB with Cyclo Input Nominal Ratio Frame Exact Single Reduction Input Overall Size Ratio Nominal Ratio Output Shaft Direction Frame Exact (shafted model only) 4A10 10 .50 Size Ratio Input Overall 4A12 21 .0...

  • Page 7: Storing And Transporting

    Cyclo® BBB4 reducer and the air vent is replaced with a sealing plug before shipping the reducer from Sumitomo factory . External machined surfaces are coated with a suitable NP-19 [JIS] petroleum base corrosion preventative such as Black Bear Par-Al-Ketone, Houghton Rust Veto 342, Daphne Ever Coat No .1 or equivalent .

  • Page 8: Installation Notes

    . • Do not place combustible material on or around Consult your local distributor, Original Equipment Manufacturer or Sumitomo directly if the mounting angle is to be other than the unit; fire may occur . • Do not place any objects around the unit that will horizontal or vertical .

  • Page 9: Installation Onto Driven Shaft

    Taper-Grip® Bushing Introduction The keyless Taper-Grip® bushing system provides a simple and reliable shaft attachment for Sumitomo speed reducers and gearmotors . This system allows bi-directional shaft rotation operation with a powerful, slip-free grip . To assure peak performance of your equipment, please read, understand and follow these installation instructions .
  • Page 10 Cyclo® BBB4 Installation onto Driven Shaft, continued Taper-Grip® Bushing Loosen socket head cap screws . Remove (unscrew) Taper-Grip® bushing from the unit . Clean Driven Shaft Clean all grease, oil and/or anti-seize paste from the driven shaft . Failure to do so could result in damage to shaft .
  • Page 11 Cyclo® BBB4 Installation onto Driven Shaft, continued Taper-Grip® Bushing Remove Taper-Grip® bushing from driven shaft . Do not apply anti-seize paste to the female threads in the hub . Apply a thin layer of anti-seize paste to the male threads of the Taper-Grip® bushing only .
  • Page 12 Cyclo® BBB4 Installation onto Driven Shaft, continued Taper-Grip® Bushing Feeler Gauge Screw Bolts into Taper-Grip® bushing . Bushing Flange • Lightly oil threads of each bolt before inserting. • Finger tighten each bolt to secure in place. • Be sure to maintain the 1 mm (approximate) gap between the thrust collar and the bushing flange . Thrust Collar Tighten bushing bolts to the correct torque value .

  • Page 13: Keyed Hollow Bore

    . Note: If the fit is tight, use a jig such as the one shown in Table 3 to ease assembly . Sumitomo does not supply a mounting jig . This information is provided for reference only .

  • Page 14: Shrink Disc Type Hollow Bore

    Torque Arm Installation section in this manual for instructions . Shrink Disc Type Mounting Introduction The keyless Shrink Disc provides a reliable commodity shaft attachment for Sumitomo speed reducers and gearmotors . This system allows bi-directional shaft rotation operation with a powerful, slip-free grip .
  • Page 15 If the fit is tight, use a jig such as the one shown in the Keyed Hollow Bore Installation section to ease assembly . Sumitomo does not supply a mounting jig . This information is provided for reference only .
  • Page 16 Cyclo® BBB4 Installation onto Driven Shaft, continued Shrink Disc Type Hollow Bore • Set the (untightened) shrink disc on the reducer shaft. Tighten Bolts to the correct torque value . • For 3-piece design shrink disc, make sure that both plates are parallel when tightening bolts . • After confirming that the shrink disc is set correctly, tighten the bolts uniformly, in a clockwise pattern while keeping both plates parallel (not diagonally or ‘star’...

  • Page 17: Torque Arm Installation

    Cyclo® BBB4 Cyclo® BBB4 Torque Arm Installation Torque Arm Introduction, Turnbuckle Type Torque Arm Torque Arm Introduction A torque arm is a device used to prevent counter-rotation of the shaft mounted reducer/gearmotor during operation . The torque arm must be mounted in tension when torque arm mounting point is greater than 6 inches (150mm) from machine mounting point or, tie-rod or turn buckle type torque arm is used .
  • Page 18 . Mounting hardware for fulcrum mounting bracket are NOT supplied by Sumitomo . Position the torque arm as close as possible to 90° relative to the unit output bore / driven equipment shaft .

  • Page 19: Tie Rod Type Torque Arm

    Cyclo® BBB4 Torque Arm Installation, continued Turnbuckle Type Torque Arm, Tie Rod Type Torque Arm If turnbuckle hex nuts were supplied, secure the turnbuckle position by adjusting the previously installed turnbuckle nuts . Table 8 . Nut Tightening Torques Unit Nut Size ft•lb (N•m)
  • Page 20 UNIT ROTATION Position the torque arm as close as possible to 90° relative to the unit output bore / driven equipment shaft . Sumitomo does not recommend combining torque arm assemblies to achieve a greater overall length . OPTIMUM MOUNTING...

  • Page 21: Flange Mount (Banjo) Type Torque Arm

    Cyclo® BBB4 Torque Arm Installation, continued Flange Mount (Banjo) Type Torque Arm Sumitomo Supplied Components of Flange Mount (Banjo) Type Torque Arm Table 11. Flange Mount (Banjo) Type Torque Arm Components Item Number Description Torque Arm Bracket Bracket Hardware Rubber Bushing (qty 3) Washer (qty 2) Flange Mount (Banjo) Type Torque Arm Installation Procedure Torque Arm Bracket Bracket Mounting Bolts(s) Attach the Flange Mount (Banjo) Torque Arm Bracket to the Cyclo®...
  • Page 22 Cyclo® BBB4 Torque Arm Installation, continued Flange Mount (Banjo) Type Torque Arm Follow these steps to attach the customer supplied mounting bracket . Mounting Angle • Place rubber bushing and mounting angle bracket on bolt. Bracket (Customer Supplied) • Verify that the mounting angle bracket hole is the correct diameter (see Table 13 Washer in Step 1) . • Place remaining bushing, washer and two nuts on the bolt. Do not over-tighten nuts . Tighten to point where rubber bushings can still be hand rotated .

  • Page 23: T-Type Torque Arm

    Cyclo® BBB4 Torque Arm Installation, continued T-Type Torque Arm T-Type Torque Arm Sumitomo Supplied Components for T-Type Torque Arm Table 14 . T-Type Torque Arm Components Item Number Description Torque Arm Bracket Bracket Hardware Rubber Bushing (qty 3) Washer (qty 2) T-Type Torque Arm Installation Procedure Attach the T-Type Torque Arm Bracket to the Cyclo®...
  • Page 24 Cyclo® BBB4 Torque Arm Installation, continued T-Type Torque Arm Table 16 . T-Type Bolt Dimensions Unit Size Bracket Tab Bore Typical Bolt Size Ø18mm Ø18mm Ø22mm Ø26mm Ø33mm Note: [1] Bolt class should be greater or equal to ISO/JIS Class 8 .8 . Application with multiple start/stops and/or shock loading should use ISO/JIS 10 .9 at a minimum .

  • Page 25: Removal From Driven Shaft

    Cyclo® BBB4 Removal from Driven Shaft Removal of Cyclo® BBB4 with Taper-Grip® Bushing Removal of Cyclo® BBB4 with Taper-Grip® Bushing Before starting unit removal process, ensure that electrical power to unit has been safely locked out and that electrical connections to the unit have been disconnected .

  • Page 26: Cyclo® Bbb4 With Keyed Hollow Bore

    If shaft removal is difficult, a jig such as the one shown in Table 17 may be used to ease the removal process . Sumitomo does not supply the removal jig . This information is supplied for reference only .

  • Page 27: Cyclo® Bbb4 With Shrink Disc

    If shaft removal is difficult, a jig such as the one shown in the Removal of Cyclo® BBB4 with Taper-Grip® Bushing section may be used to ease the removal process . Sumitomo does not supply the removal jig . This information is supplied for reference only .

  • Page 28: Lubrication

    Cyclo® BBB4 Lubrication Taconite Seal Lubrication Procedure Figure 1 . Taconite Seal Assembly 1 . Introduction Taconite seals may be used in high dust operating environments . They use a grease purging system to prevent outside contaminants from entering the speed reducer/ gearmotor .
  • Page 29 Cyclo® BBB4 Lubrication, continued Taconite Seal Lubrication Procedure, continued d . If the unit will not be operated for a period greater than 6 months, apply a thin layer of grease to the outside surface of the seals to prevent dry-out . Before starting the unit, check the seals’ integrity and replace if required .

  • Page 30: Lubrication Introduction

    Lubrication Introduction, Lubrication Nomenclature Lubrication Introduction Sumitomo Cyclo® BBB4s units are shipped from the factory without lubricating oil, unless the customer specified otherwise when the unit was ordered . The unit must contain the correct type and amount of lubrication before operating .

  • Page 31: Lubrication Method

    Cyclo® BBB4 Lubrication, continued Lubrication Method Lubrication Method Using the model number and mounting configuration, refer to Tables 20 and 21 to determine the unit’s lubrication method . Table 20 . Lubrication Method for Configurations Y1, Y2, Y3, Y5, Y6 Unit Size Mounting Configuration Lubrication Method...

  • Page 32: Bevel Gear Portion And Cyclo® Portion Recommended Oils . 31 Cyclo® Portion Recommended Greases

    14° – 122°F (-10º – 50ºC) 19:1 and higher ExxonMobil Unirex N2 grease Cyclo® portions have unique operating characteristics that require specific lubricant properties . Please consult Sumitomo if alternate lubricants are required . Cyclo® BBB4 Operation & Maintenance Manual...

  • Page 33: Oil Quantities

    Cyclo® BBB4 Lubrication, continued Oil Quantities Oil Quantities Table 25 . Single Reduction Approximate Oil Quantity Units: US liquid gallon (liter) Note: Output = Bevel Gear Portion Input = Cyclo® Portion Mounting Configuration Bevel Gear Unit Size Output Input 4A10 0 .4 (1.62) 0 .8 (3.17) 0 .4 (1.36)

  • Page 34: Oil Supply Procedure

    Cyclo® BBB4 Lubrication, continued Oil Supply and Discharge Procedures Oil Supply Procedure • Always stop the unit before adding oil • Oil level may drop during operation, depending on the oil viscosity, temperature and direction of rotation. Additional oil is not necessary . Check the oil level when the unit is stopped to ensure that it has the correct amount of oil . • It may take some time for the oil to settle when the oil viscosity is high. Be careful not to add too much oil. • There may be two different oil fill locations for some combinations; refer to oil fill/ drain locations figure for details.

  • Page 35: Grease Quantities

    Cyclo® BBB4 Lubrication, continued Grease Quantities Grease Quantities • Grease quantities listed in this section are for the Cyclo® portion of the reducer/gearmotor. • The Bevel portion is always oil lubricated unless otherwise specified at time of order entry. • Refer to the Oil Quantities section, Tables 25 & 26. for Bevel portion oil quantities. • Installing grease into Bevel Gear portion will result in damage to the unit. The Cyclo® (input) portion of only Y4 double reduction units is grease lubricated at the factory . Additional grease is not required before initial start-up . All assemblies other than Y4 have oil lubricated Cyclo® portions . The following tables are provided for user rebuild or refurbishment reference .

  • Page 36: Grease Replenishment And Draining Procedures

    Cyclo® BBB4 Lubrication, continued Grease Replenishment and Draining Procedure, Grease Replacement Grease Replenishment and Draining Procedure Procedure for adding grease to grease-lubrication models (excluding maintenance-free models) 1 . Remove the grease discharge plug from the outside cover . 2 . Add grease with a grease gun from the grease nipple in the inside cover section or motor connection cover . 3 .

  • Page 37: Y2 Oil Fill & Drain Procedures

    Oil Fill Process Unit drain plug Unit drain plug Unit drain plug CAUTIONARY NOTE: • Use only those lubricating oils approved by Sumitomo Drive Technologies for use in the Cyclo® Bevel Buddybox®. • Use the appropriate grade of lubricating oil based on ambient operating conditions of the application. • Refer to the Sumitomo product catalog and/or Operating & Maintenance manual for a list of Sumitomo approved lubricating oils. • Prior to beginning the fill process, ensure the Unit Drain Plug is in place and adequately tightened. Identify the bevel portion oil fill plug on the bevel gear housing . Carefully remove the plug and put aside for reinsertion after oil fill is complete .
  • Page 38 Cyclo® BBB4 Y2 Oil Fill & Drain Procedures, continued Oil Fill Process Carefully remove the unit Air Breather assembly and put aside for reinsertion after oil fill process is complete . Slowly fill the Cyclo® (input) portion with the correct type and grade of oil as used in STEP #2 of this process .
  • Page 39 Cyclo® BBB4 Y2 Oil Fill & Drain Procedures, continued Oil Drain Process Oil Drain Process CAUTIONARY NOTE: • Exercise extreme caution when draining the lubricating oil from the Cyclo® Bevel Buddybox® as it may be hot. • Follow all corporate, local, state and federal government regulations in disposing of the used lubricating oil. Identify the bevel portion oil drain plug on the bevel gear housing . Carefully remove the plug and put aside for reinsertion after oil fill is complete . In the event that the lower plug is covered with a...
  • Page 40 Cyclo® BBB4 Y2 Oil Fill & Drain Procedures, continued Oil Drain Process Table 33 . BBB4 Y2 Single Reduction Oil Quantity* Y2 Configuration Oil Quantity Y2 Configuration Oil Quantity Bevel Gear Unit Size Bevel Gear Unit Size gallon liter gallon liter 4A10 0 .84...

  • Page 41: Motor Wiring

    Wiring Guidelines This section details wiring for standard Sumitomo three-phase motors and brakemotors . If using a motor manufactured by a company other than Sumitomo, please refer to that manufacturer’s instruction manual for wiring, operating and maintenance details . When wiring motors into the power supply, Sumitomo recommends the use of terminal rings to facilitate the connection: Figure 3 .

  • Page 42: Motor Protection

    Cyclo® BBB4 Motor Wiring, continued Motor Protection, Motor Wiring Method Motor Protection • Use a molded case circuit breaker for protection against short circuit. • Use an overload protection device that protects the unit against voltage surges. U .S . Standard Motors Table 36 . Typical 230/460V, Three-Phase Wiring Configuration by Motor Type Motor Wiring Method Standard AF-Motor EP .NA-Motor Motor • For additional information please refer to the motor name HP (kW) x P Non CSA...

  • Page 43: Brake Wiring

    Brake Wiring Varistor Selection For wiring of Fast Brake Action, Sumitomo recommends the use of a Varistor (VR) . Refer to Table 40 to assist in the selection of the appropriately sized Varistor . Table 38 . Varistor Specifications Table...

  • Page 44: U .S . Standard And Csa Approved Motor Brake Wiring

    Cyclo® BBB4 Motor Wiring, continued U .S . Standard and CSA Approved Motor Brake Wiring U .S . Standard and CSA Approved Motor Brake Wiring The brake portion (if supplied) of the motor may be wired using one of the following these methods: Models FB-01A through FB-15B/FB-15E Figure 10 .

  • Page 45: Models Fb-01A Through Fb-15B/Fb-15E With Inverter

    Cyclo® BBB4 Motor Wiring, continued U .S . Standard and CSA Approved Motor Brake Wiring U .S . Standard and CSA Approved Motor Brake Wiring The brake portion (if supplied) of the motor may be wired using one of the following these methods: Models FB-01A through FB-15B/FB-15E with Inverter Figure 14 .

  • Page 46: Ce Motor Brake Wiring

    Figure 21 . Fast Brake Action, 220V Motor 220V Brake Motor Rectifier Brake Motor Rectifier Brake Furnished by Sumitomo Furnished by Sumitomo 220VAC 220VAC CE-FB-SM-HIT-N CE-FB-SM-HIT-F Figure 23 . Fast Brake Action, 380V Motor, 220V Brake, Tapped Figure 22 . Normal Brake Action, 380V Motor, 220V Brake, Tapped...

  • Page 47: Ce Motors Models Fb-8B/Fb-8E Through Fb-15B/Fb-5E

    Figure 27 . Fast Brake Action, 380V Motor, 380V Brake Motor Rectifier Brake Motor Rectifier Brake Furnished by Sumitomo Furnished by Sumitomo 380VAC 380VAC CE Motors Models FB-01A through FB-15B/FB-15E with Inverter CE-FB-VF-F CE-FB-VF-N Figure 28 . Normal Brake Action Figure 29 .

  • Page 48: Brake Rectifiers And Power Modules

    Motor Wiring, continued Brake Rectifiers and Power Modules Brake Rectifiers and Power Modules Table 40 . Standard Brake Rectifiers 230V/460V Rectifier 575V Rectifier Motor Brake Type HP (kW) x P Model Number Part Number Model Number Part Number FB-01A 1/8 (0.1) x 4 1/4 (0.2) x 4 FB-02A 1/3 (0.25) x 4...

  • Page 49: Parts

    Parts Cyclo® BBB4 Reducer Figure 31 . Cyclo® BBB4 Reducer Parts Table 43 . Cyclo® BBB4 Reducer Parts Number Description Number Description BBB4 Gear Assembly Cyclo® High-Speed End Shield Cyclo® Ring Gear Housing Pins Eccentric Key Cyclo® Ring Gear Housing Rollers High Speed Shaft Oil Seal Collar Cyclo®...

  • Page 50: Cyclo® Planetary Reduction Component Parts

    Parts, continued Cyclo® Planetary Reduction Component Parts Cyclo® Planetary Reduction Component Parts (Cyclo® Ratios 11 - 18:1) Figure 32 . Cyclo® Planetary Reduction Component Ring Gear (x1) Bevel Shaft Pin Carrier (x1) Washer (x6) Input Carrier Sun Gear (x1) Needles Planet Gear (x3) Spacer (x3) Table 44. Cyclo® Planetary Reduction Component Part Numbers (Ratios 11 - 18:1) Reduction Ratio (nominal) Cyclo® Planetary Reduction Part Numbers Reduction Unit Size Cyclo®...

  • Page 51: Cyclo® Reduction Component Parts

    Parts, continued Cyclo® Reduction Component Parts Cyclo® BBB4 Reduction Component Part Numbers (Ratios≥ 19:1) Figure 33 . Cyclo® BBB4 Reduction Components - 4A100 thru 4F195 Bevel Pin Carrier Reduction Kit Input Kit Table 45. Cyclo® BBB4 Reduction Component Part Numbers (Ratios ≥ 19:1) Reduction Ratio Part Numbers Reduction Ratio Part Numbers Unit Size Unit Size Reduction Bevel Pin Reduction Bevel Pin Overall...
  • Page 52 Parts, continued Cyclo® Reduction Component Parts Table 46. Cyclo® BBB4 Reduction Components Part Numbers (Ratios >19:1), continued Reduction Ratio Part Numbers Reduction Ratio Part Numbers Unit 4A12 4B12 Unit 4A14 4B14 4C14 Input Reduction Input Reduction Size Size Overall Cyclo® Overall Cyclo® Bevel Pin Bevel Pin Bevel Pin Bevel Pin Bevel Pin Carrier Carrier...

  • Page 53: Bearings And Oil Seals

    Parts, continued Bearings and Oil Seals Bearings and Oil Seals Figure 34 . Cyclo® BBB4 Bearings and Oil Seals Table 47 . Cyclo® BBB4 Reducer Bearings and Oil Seals Bearings Oil Seals Unit Size 4A100 4A105 32011 6302RSH2 6302Z 4A110 20 x 35 x 7 4A115 32017...

  • Page 54: Bevel Gearing Parts And Tooth Count

    Parts, continued Bevel Gearing Parts and Tooth Count Bevel Gearing Parts and Tooth Count Bevel gear and pinions are sold in sets only . Individual components are not available for purchase . The information below regarding tooth count of the bevel gearset is provided for vibration analysis purposes . Figure 35 .

  • Page 55: Cyclo® Bbb4 Screw Conveyor Options

    Screw Conveyor Options Components, Assembly Instructions Screw Conveyor Components Figure 36 . Cyclo® BBB4 Screw Conveyor Components Table 50 . Typical Cyclo® BBB4 Screw Conveyor Components Item Number Description Screw Conveyor Shaft for KHB Screw Conveyor Shaft for TGB Cast Screw Conveyor Adapter Shaft Seal Shaft Retaining Plate Fabricated Screw Conveyor Adaptor...

  • Page 56: Assembly Instructions

    Screw Conveyor Options, continued Assembly Instructions Secure the screw conveyor shaft in place using the keeper plate with the supplied hardware . Table 51 . Bolt Tightening Torques Shaft Retaining Bolts Unit Bolt Torque Size Qty . x Bolt Size (ft•lbs) 2 x M10 2 x M10...
  • Page 57 − Double-Lip, Nitrile Oil Seal: recommended for use if conveyed material is a nonabrasive liquid . • Sumitomo does not recommend the use of both sealing options at the same time . If using the braided cord seal, carefully slide the cover plate over the screw Hardware conveyor shaft and place it against the screw conveyor adapter .

  • Page 58: Cyclo® Portion Disassembly/Assembly

    Cyclo® Portion – General Disassembly Before starting the disassembly process, Sumitomo recommends draining and properly disposing of all lubrication . Carefully remove the entire Cyclo® BBB4 from the driven shaft by following the instructions outlined in the Removal From Driven Shaft section of this manual .

  • Page 59: Disassembly Procedure

    Cyclo® Portion Disassembly/Assembly, continued Disassembly Procedure Remove all bolts While continuing to externally support the entire Cyclo® BBB4 unit, remove each of the bolts from the Cyclo® ring gear housing (shown in horizontal position for clarity) . Cyclo® Reduction Components Carefully separate the bevel gear housing assembly from the Cyclo®...
  • Page 60 Cyclo® Portion Disassembly/Assembly, continued Disassembly Procedure Using both hands, carefully remove the top Cycloid disc . Cycloid Disc Cycloid Disc Spacer For Cyclo® units supplied with a spacer, remove the Cycloidal disc spacer . Eccentric Bearing Remove the eccentric bearing from the high speed shaft . Using both hands, carefully remove the remaining Cycloid disc .
  • Page 61 Cyclo® Portion Disassembly/Assembly, continued Disassembly Procedure Ring Gear Housing Remove the ring gear housing Snap Ring Remove the spacer and the snap ring from the high speed end shield . Spacer High Speed Shaft Bearing Remove the high speed shaft, along with its associated bearing, from the high speed end shield .

  • Page 62: Cyclo® Portion - General Reassembly

    Cyclo® Portion Disassembly/Assembly, continued Reassembly Procedure Cyclo® Portion – General Reassembly The Cyclo® portion of the speed reducer may be reassembled by reversing the disassembly procedure . All parts must be returned to the original order from which they were removed during disassembly . Take care to keep the moving reduction components free of dust or foreign material, and properly align all gaskets in order to keep the assembly oil tight/leak free .

  • Page 63: Reassembly Procedure

    Cyclo® Portion Disassembly/Assembly, continued Reassembly Procedure Code on upper disc Insert the top Cycloid disc so that the code engraved on its surface is 180° opposed to the corresponding etched code on the lower Cycloid disc . 180 º Code on lower disc If the Cyclo®...

  • Page 64: Troubleshooting

    Troubleshooting Reducer Troubleshooting Reducer Troubleshooting This troubleshooting guide provides assistance in identifying and overcoming common problems with reducers and motors . If a problem with the reducer and/or the motor is not listed below, please consult the factory for assistance . Reducer Troubleshooting Problem with the Reducer Possible Causes...
  • Page 65 Cyclo® BBB4 Troubleshooting, continued Motor Troubleshooting Motor Troubleshooting Problem with the Motor Possible Causes Suggested Remedy Faulty switch contact Adjust the contact Blown fuse Replace fuse One phase wire of the power supply Makes a Rewire connection open “groaning” sound Stator coil open Repair by rewinding or replacing the stator assembly Load is...
  • Page 66 Sumitomo Heavy Industries, Ltd. Power Transmission & Controls Group For worldwide locations, please visit ThinkPark Tower, 1-1, Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025 Japan www.sumitomodrive.com/worldwide Tel: +81-36-737-2511 • Fax: +81-36-866-5160 Manual 13.604.60.005; Supersedes Manual 13.604.60.004 ©2016 Sumitomo Machinery Corporation of America Printed in USA...

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