Bravo - QC Industries
Contents
1. If the reducer is painted extreme care should be taken to mask the shaft extensions and the rubber seals Paint on the shaft adjacent to the seal or on the seal lip will cause leakage Installation Instructions The following instructions apply to standard Leeson Bravo type reducers with base or flange mounting in motorized and non motorized single and double reduction options 1 Mount the unit to a rigid flat surface using grade 5 or higher fasteners The mounting fasteners should be the largest standard size that will fit in the base mounting hole Shim as required under flange or base feet which do not lie flat against the mounting surface Carefully follow lubrication instructions and installation manual furnished with the gear reducer All standard Bravo reducers are properly filled at LEESON with sufficient lubricant quantity for nearly any mounting position Series 512 525 Series 512 525 utilize a vent free design and are Factory filled with synthetic semi fluid grease formulated for lifetime lubrication amp wide operating temperature range 5 F to 220F It is not necessary to change the lubricant in reducer series 512 525 unless the reducer is used in a severe environment If these reducers will be used in severe environment or if lubricant must be replaced contact LEESON Series 534 Series 534 utilizes a vent and is Factory filled with Mobil SHC 634 oil a synthesized hydrocarbon formulated for long life amp2. INTERNAL 23 23 23 GASKET W n 24 CONNECTOR SHAFT 25 26 27 27 27 FLANGE MOTORIZED INPUT 28 INPUT COVER 29 CONNECTOR FLANGE DOUBLE REDUCTION 30 O RING 31 SOCKET HEAD CAPSCREW 32 32P32X SOCKET HEAD CAPSCREW 33 33 HEAD CAPSCREW 34 PRIMARY GEAR MODULE DOUBLE REDUCTION 35 HELICAL STEP MODULE DOUBLE REDUCTION 36 SOCKET HEAD CAPSCREW 37 NAMEPLATE 38 GASKET Class of Service All capacity ratings are based on proper application of American Gear Manufacturers Association AGMA service factors as given on page 172 of the LEESON Aluminum Gear Reducer 7050 Catalog Load conditions must be within cataloged ratings published in the current LEESON Catalog available upon request Warranty From LEESON Electric see 7050 catalog pages 177 178 for warranty terms and conditions A REGAL BELOIT COMPANY LEESON ELECTRIC GRAFTON WISCONSIN 53024 0241 U S A TEL 262 377 8810 FAX 262 377 9025 www leeson com LEESON ELECTRIC 2004 Specifications and prices are subject to change without notice 4650S 5K 10 04 STL BH
3. a US 030R DOUBLE ENDED EXTENSION UNDERCUT DETAIL DRIVEN SHAFT RECOMMENDATIONS HOLLOW BORE IN INCHES Dimensions Inches Retaining Ring Keyway Double Extension Details Groove Mfg No Series A F J K 0 005 0 000 0 002 Waldes Truarc 0 001 0 0025 0 001 518 216079 520 5160 98 329 5160 112 534 5160 150 Dimension W refers to the width of spacer used DRIVEN SHAFT RECOMMENDATIONS HOLLOW BORE IN MILLIMETERS Dimensions MM Retaining Ring Double Extension Details Groove Mfg No J BD 0 1 y 0 00 Waldes Truarc 7 0 064 5100 55 66 383 5160 66 78 118 5160 98 90 767 5160 106 125 819 5160 137 151 448 Dimension W refers to the width of spacer used Phone 262 377 8810 5 Fax 262 377 9025 LEESON BRAVO EXPLODED VIEW DRO MEG ALUMINUM GEAR REDUCERS DESCRIPTION GEAR MODULE OIL SEAL OUTPUT RCA SEAL PLUG DRAIN PLUG FL SPACER F FLANGE SOCKET HEAD CAPSCREW SOCKET HEAD CAPSCREW 9 9P9X OIL SEAL NON MOTORIZED INPUT 10 HORIZONTAL BASE 11 SOCKET HEAD CAPSCREW 12 REACTION ARM 13 RETAINING RING 14 SPACER 15 OUTPUT SHAFT DOUBLE EXTENSION 16 OUTPUT SHAFT SINGLE EXTENSION 17 KEY OUTPUT EXTENSION 18 KEY OUTPUT INTERNAL 19 19 19 OIL SEAL MOTORIZED INPUT 20 20P 20X INPUT SHAFT NON MOTORIZED INPUT 21 21P 21X KEY INPUT EXTENSION 22 22P 22X KEY INPUT
4. a motor is name plated for hazardous locations do not operate the motor without all of the grease and drain plugs installed e Never attempt to measure the temperature rise of a motor by touch Temperature rise must be measured by thermometer resistance resistance imbedded detector or thermocouple e Motors with automatic reset thermal protectors will automatically restart when the protector temperature drops sufficiently Do not use motors with automatic reset thermal protectors in applications where automatic restart will be hazardous to personnel or equipment e Motors with manual reset thermal protectors may start unexpectedly after the protector trips when the surrounding air is at 20 Fahrenheit or lower If the manual reset protector trips disconnect motor from its power supply After the protector cools five minutes or more it can be reset and power may be applied to the motor e Connect all protective device leads marked P1 P2 etc per instructions supplied with the motor e Operation of a motor at other than its nameplate rating may result in fire damage to equipment or serious injury to personnel e For safety Buyer or User should provide protective guards over all shaft extensions and any moving apparatus mounted thereon The User is responsible for checking all applicable safety codes in his area and providing suitable guards Failure to do so may result in bodily injury and or damage to equipment e Consult qualified
5. wide operating temperature range 25 to 220 F Do not confuse Mobil SHC 634 with Mobilgear 634 Mobilgear 634 is an EP type gear oil not suitable for use in the Bravo worm reducers Connect motor to speed reducer Quill Input Style Discard motor key Use only special key provided with reducer Step 1 Position key in reducer input worm bore Apply anti seize compound included with reducer to the motor shaft Line up key with motor keyway and slip motor shaft into reducer worm bore Step 2 Tighten the bolts supplied with lockwashers evenly for a solid fit between motor and reducer Flange Note A bushing may be supplied for use between the motor shaft and the reducer input shaft Apply anti seize compound to inside and outside of bushing ACAUTION Do not operate the reducer without making sure it contains the correct amount of lubricant Confirm that mounting position on nameplate matches application requirement Do not overfill or underfill with oil or injury to personnel reducer or other equipment may result ACAUTION A unit cannot be used as an integral part of a machine superstructure which would impose additional loads on the unit other than those imposed by the torque being transmitted either through a shaft mounted arrangement and any shaft mounted power transmitting device e g sprockets pulleys couplings ACAUTION For safe operation and to maintain the unit warranty when changing a factory install
6. ELECTRIC MOTORS GEARMOTORS AND DRIVES Speed Reducers Installation Lubrication and Maintenance Instructions Table of Contents WARNING CAUTION Information 2 3 General Operation 4 Installation 4 Lubrication Oil Capacities 4 Maintenance 5 Drive Shaft Recommendations 5 Parts List 6 WARNINGS AND CAUTIONS MECHANICAL AWARNING IMPORTANT INFORMATION CAUTION FOR GEAR REDUCERS PLEASE READ CAREFULLY The following CAUTION information Is supplied to you for your protection and provide you with many years of trouble free and safe operation of your LEESON Electric product Read ALL instructions prior to operating reducer Injury to personnel or reducer failure may be caused by improper installation maintenance or operation AAWWARNING e Written authorization from LEESON Electric is required to operate or use reducers in lift or people moving devices e Check to make certain application does not exceed the allowable load capacities published in the current catalog Buyer shall be solely responsible for determining the adequacy of the product for any and all uses to which Buyer shall apply the product The application by Buyer shall not be subject to any implied warranty of fitness f
7. act LEESON for more detail 16 oz 1 pint 1 quart 9463 liter For lubrication requirements of helical reducers primaries of helical worm reducers and ratio multipliers contact LEESON 2 pints 1 quart 1 gallon 3 785 liter 4 quarts 1 gallon 1 Ib 4535 kg 1 gallon 128 oz Phone 262 377 8810 4 Fax 262 377 9025 BIGVO INSTALLATION LEESON mmo INSTRUCTIONS HYDRO Maintenance Your BRAVO reducer has been tested and adjusted at the factory Dismantling or replacement of components must be done by LEESON to maintain the warranty Inspect the vent plug often Size 534 only to insure it is clean and operating ACAUTION Mounting bolts should be routinely checked to ensure that the unit is firmly anchored for proper operation Seals The BRAVO line of speed reducers utilize premium quality seals which are state of the art in sealing technology Seals are however a wear item and eventually need to be replaced Replacement can easily be accomplished by following the procedure below 1 Remove the worn seal without damaging the shaft surface or the seal bore This can be done by drilling a 062 diameter hole in the seal casing being careful not to drill into the bearing behind the seal Screw a 10 sheet metal screw into the hole and pry out the seal Clean the seal bore of sealant Before installing the new seal use electrical tape to cover any keyways on the shaft to prevent seal lip damage Greas
8. ding the warnings and cautions above in a conspicuous place and in a conspicuous manner in writing to instruct users on the safe usage of the product This information should be read together with all other printed information supplied by LEESON Electric Phone 262 377 8810 2 Fax 262 377 9025 WARNINGS AND CAUTIONS ELECTRICAL IMPORTANT INFORMATION AWARNING FOR ELECTRIC MOTORS A PLEASE READ CAREFULLY The following AWWARNING and CAUTION information is supplied to you for your protection and to provide you with many years of trouble free and safe operation of your LEESON Electric product AWWARNING Disconnect power and lock out driven equipment before working on a motor e Always keep hands and clothing away from moving parts e The lifting support on the motor is not to be used to lift the entire machine Only the motor attached directly to the support may be safely lifted by the support Install and ground per local and national codes e Discharge all capacitors before servicing a single phase motor e Misapplication of a motor in hazardous environment can cause fire or an explosion and result in serious injury Only the end user local authority having jurisdiction and or insurance underwriter are qualified to identify the appropriate class es group s division and temperature code LEESON Electric personnel cannot evaluate or recommend what motors may be suitable for use in hazardous environments If
9. e the seal lips with bearing grease and apply a sealant to the seal bore Slide the seal onto the shaft being careful not to fold the inner lip over on any shaft steps Press the seal into its bore with a sleeve that presses on the seal casing being careful to keep the seal square in its bore AARON If seal leakage has resulted in the loss of a significant amount of lubricant it may be necessary to add more Contact LEESON for more detail ACAUTION Always check for proper oil level after filling Do not overfill or underfill with oil or injury to personnel reducer or other equipment may result ACAUTION Do not mix different oils in the reducer Gear Reducer Drive Shaft Recommendations i B e C D E J There are several possible methods to retain LLG a ee a drive shaft into the hollow bore of a gear reducer gt X rH A few common options are listed below Retain drive shaft with a retaining ring illustrated above a Retain drive shaft with a locknut Retain drive shaft with a thrust plate and fastener 04x45 Adi Retain drive shaft with a collar and setscrew CHAMFER TA a Retain drive shaft with a recessed plate and fastener SECTION X X s 2 PLCS 520 525 amp 534 a BD _ SPACER D tl re 17 l Id 1 2
10. ed fastener for any reason it becomes the responsibility of the person making the change to properly account for fastener grade thread engagement load tightening torque and the means of torque retention Lubrication Carefully follow lubrication instructions and installation manual furnished with the gear reducer All standard Bravo reducers are properly filled at LEESON with sufficient lubricant quantity for nearly any mounting position Change oil only when performing maintenance that requires gearbox disassembly or if the reducer is operated in a severe environment If oil must be replaced in Series 534 reducers use only Mobil SHC 634 ACAUTION Lubricant should be changed more often if gear reducer is used in a severe environment ie humid wet caustic etc ACAUTION In the Food and Drug industry including animal food consult the lubrication supplier for recommendation of lubricants which are ACAUTION Do not mix different lubricants in the reducer acceptable to the Food and Drug Administration and or other authoritative bodies having jurisdiction Lubrication Series __ 512 520 525 SPECIAL LUBRICATION REQUIREMENTS Sizes 518 534 Grease Ibs 0 14 02 0 35 0 84 1 Oil ounces 41 e Reducer is mounted with input worm shaft vertical e Input speed is sustained less than 900 RPM NOTE The reducer may require modifications to assure proper lubrication in these applications Cont
11. nding fatigue if not sized properly CAUTION e Test run unit to verify operation If the unit tested is a prototype that unit must be of current production If the speed reducer cannot be located in a clear and dry area with access to adequate cooling air supply then precautions must be taken to avoid the ingestion of contaminants such as water and the reduction in cooling ability due to exterior contaminants e Mounting bolts should be routinely checked to ensure that the unit is firmly anchored for proper operation In the event of the resale of any of the goods in whatever form Resellers Buyers will include the following language in a conspicuous place and in a conspicuous manner in a written agreement covering such sale The manufacturer makes no warranties or representations express or implied by operation of law or otherwise as to the merchantability or fitness for a particular purpose of the goods sold hereunder Buyer acknowledges that it alone has determined that the goods purchased hereunder will suitably meet the requirements of their intended use In no event will the manufacturer be liable for consequential incidental or other damages Even if the repair or replacement remedy shall be deemed to have failed of its essential purpose under Section 2 719 of the Uniform Commercial Code the manufacturer shall have no liability to Buyer for consequential damages Resellers Buyers agree to also include this entire document inclu
12. onspicuous manner in writing to instruct users on the safe usage of the product This information should be read together with all other printed information supplied by LEESON Electric For more information contact LEESON Electric Subsidiary of REGAL BELOIT CORPORATION 2100 Washington Street Grafton WI 53024 Phone 262 377 8810 or Fax 262 377 3440 Phone 262 377 8810 3 Fax 262 377 9025 INSTALLATION LEESON moomoo INSTRUCTIONS HYDRO MEC oo General Operation Run the motor which drives the reducer and check the direction of reducer output shaft rotation Consult motor nameplate for instructions to reverse the direction of shaft rotation Attaching the load On direct coupled installations check shaft and coupling alignment between speed reducer and loading mechanism chain sprocket and belt pulley installation locate the sprocket or pulley as close to the oil seal as possible to minimize overhung load Check to verify that the overhung load does not exceed specifications published in the catalog High momentum loads If coasting to a stop is undesirable a braking mechanism should be provided to the speed reducer output or the driven mechanism ACAUTION The system of connected rotating parts must be free from critical speed torsional or other type vibration no matter how induced The responsibility for this system analysis lies with the purchaser of the speed reducer
13. or a particular purpose e For safety Buyer or User should provide protective guards over all shaft extensions and any moving apparatus mounted thereon The User is responsible for checking all applicable safety codes in his area and providing suitable guards Failure to do so may result in bodily injury and or damage to equipment e Hot oil and reducers can cause severe burns Use extreme care when removing lubrication plugs and vents certain that the power supply is disconnected before attempting to service or remove any components Lock out the power supply and tag it to prevent unexpected application of power e Reducers are not to be considered fail safe or self locking devices If these features are required a properly sized independent holding device should be utilized Reducers should not be used as a brake e Any brakes that are used in conjunction with a reducer must be sized or positioned in such a way so as to not subject the reducer to loads beyond the catalog rating e Lifting supports including eyebolts are to be used for vertically lifting the gearbox only no other associated attachments or motors e Use of an oil with an EP additive on units with backstops may prevent proper operation of the backstop Injury to personnel damage to the reducer or other equipment may result e Overhung loads subject shaft bearings and shafts to stress which may cause premature bearing failure and or shaft breakage from be
14. personnel with questions and all electrical repairs must be performed by trained and qualified personnel only For motors nameplated as belted duty only do not operate the motor without belts properly installed e Motors and or driven equipment should not be operated faster than their rated speed e For inverter applications follow the inverter manufacturer s installation guidelines e Make sure the motor is properly secured and aligned before operation In the event of the resale of any of the goods in whatever form Resellers Buyers will include the following language in a conspicuous place and in a conspicuous manner in a written agreement covering such sale The manufacturer makes no warranty or representations express or implied by operation of law or otherwise as to the merchantability or fitness for a particular purpose of the goods sold hereunder Buyer acknowledges that it alone has determined that the goods purchased hereunder will suitably meet the requirements of their intended use In no event will the manufacturer be liable for consequential incidental or other damages Even if the repair or replacement remedy shall be deemed to have failed of its essential purpose under Section 2 719 of the Uniform Commercial Code the manufacturer shall have no liability to Buyer for consequential damages Resellers Buyers agree to also include this entire document including the warnings and cautions above in a conspicuous place and in a c
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