Grove Gear Inline Gear Reducers User`s Manual
Contents
1. Table 3 below Table 3 Shaft End threaded Holes Inches Output Shaft Input Shaft Drive Size Tap Size Depth Tap Size Depth 727 747 757 H3 Standard Position Gha VANS in Hii SG pit ea ej H6 H7 H8 V5 V6 Not Recommended Figure 1 Reducer Mounting Positions Phone 800 894 0412 Fax 888 723 4773 Web www cIrwtr com Email info clrwtr com INSTRUCTION MANUAL GROVE GEAR ELECTRA GEAR Ze CENTRIC GEAR REDUCERS Maintenance Instructions Your Grove Gear reducer has been tested and adjusted at the factory Dismantling or replacement of components must be done by Grove Gear to maintain the warranty LeCentric reducers are lubed for life and do not require regularly scheduled oil changes checks However if the reducer is used in a severe environment it is recommended that the oil is checked or changed every 6000 hrs or after 2 years of operation If the oil level is low refer to Figure 1 for mounting positions add proper lubrication through the filler plug If seal leakage has resulted in the loss of a significant amount of oil it may be necessary to add more lubricant For normal ambient temperature conditions Grove Gear recommends Mobil PAG 460 or equivalent oil for all LeCentric reducers ACAUTION Mounting bolts should be routinely checked to ensure that the uni2. level after filling Do not overfill or underfill with oil or injury to personnel reducer or other equipment may result AACAUTION Do not mix different oils in the reducer 12 Reconnect any drive components disconnected in Step 3 Make sure components are properly aligned Class of Service All capacity ratings are based on proper application of American Gear Manufacturers Association AGMA service factors Load conditions must be within cataloged ratings published in the current Grove Gear Catalog available upon request For information contact GROVE GEAR ELECTRA GEAR PRINTED IN U S A SS REGAL DA BELOIT 6777G 5K 8 10 TG BH Grove Gear and Electra Gear are trademarks of Regal Beloit Corporation Ah d Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com
3. AUTION Do not operate the reducer without making sure it contains the correct amount of oil Confirm that mounting position on nameplate matches application requirement per Figure 1 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 installed 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 Phone 800 894 0412 Fax 888 723 4773 Web www cIrwtr com Email info clrwtr com GROVE GEAR ELECTRA GEAR INSTRUCTION MANUAL Zc CENTRIC GEAR REDUCERS Lubrication ALL standard reducers ordered from Factory are filled with Mobil Glygoyle 460 Polyglycol PAG lubricant or equivanent suitable continuous duty option with a 10 F to 120 F ambient temperature range Lubrication quantities are specified in Table 1 for various mounting positions Prior to startup verify that the mounting position on nameplate matches required position see F
4. Installation Lubrication GROVE GEAR and Maintenance Instructions LeCentric EL EC TRA GEA R Inline Gear Reducers Table of Contents Le P E Ni R P CAUTION WARNING INFORMATION Pagano e HG attics tard a AP ARE SEND aan E aed tnd eee apa 2 GEAR REDUCERS Installation Instructions 0 0 0 0 eee 3 Lubrication Lubrication Instructions a 4 Lubrication Quantities 0 0 0 0 cc ee 4 Approved Lubricants and Suppliers 4 General Operation Shaft Connections 000 00 eee ee 5 Mounting Positions 0 0 0 0 e eee eee 5 Maintenance Instructions 0 00 e ee eee 6 Class of Service 0 0 eee 6 Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com GROVE GEAR ELECTRA GEAR AWAR AWARNING INSTRUCTION MANUAL Zc CENTRIC GEAR REDUCERS IMPORTANT INFORMATION NG Please Read Carefully AC AUTION The following AWARNING and ACAUTION information is supplied to you for your protection and to provide you with many years of trouble free and safe operation of your Grove Gear product Read ALL instructions prior to operating reducer Injury to personnel or reducer failure may be caused by improper installation maintenance or operation e Written authorization from Grove Gear is required to operate or use reducers in man lift or people moving devices e Check to make certain application does n
5. cation Quantities ounces Mounting Positions 16 oz 1 Pint He 2 Pints 1Quart H7 H8 V5 V6 4 Quarts 1 Gallon 13 5 13 5 17 0 1 Gallon 128 02 15 0 15 0 18 5 727 2 Stage 8 5 10 0 13 5 13 5 13 5 17 0 727 3 Stage 10 0 12 0 15 0 15 0 15 0 18 5 747 2 Stage 15 0 19 0 34 0 37 0 37 0 39 0 747 3 Stage 25 5 25 5 35 5 39 0 40 5 40 5 757 2 Stage 19 0 29 0 37 0 40 5 40 5 42 0 757 3 Stage 25 5 30 5 39 0 42 0 44 0 46 0 717 2 Stage 717 3 Stage Table 2 Approved Lubricants and Suppliers Manufacturer Lubricant Temperature Range F Exxon Co USA Spartan Synthetic EP 320 25 to 113 Mobil Oil Corp Mobilgear SHC 320 25 to 113 Pennzoil Prod Co Super Maxol S 320 25 to 113 Phone 800 894 0412 Fax 888 723 4773 Web www clrwir com Email info clrwtr com GROVE GEAR ELECTRA GEAR INSTRUCTION MANUAL Zc CENTRIC GEAR REDUCERS Shaft Connections provide suitable guards in accordance with OSHA standards Input and output shaft extension diameter tolerance is 0 000 0 001 for shafts up to 1 375 diameter The fitted component must be machined to ensure proper fit DO NOT drive coupling hub pinion sprocket or pulley on the shaft An endwise blow on the shaft may damage gears and bearings Coupling hubs pinions sprockets or pulleys must be pushed onto the shaft using a screw jack device fitted into the threaded hole provided in the end of the shaft see
6. ig 1 LeCentric reducers are filled to proper amount of oil based on mounting position printed on nameplate All LeCentric Gear Reducers will be filled with oil for position H3 unless otherwise specified If the ambient temperature will be outside the range for the lubricant installed at the factory drain and refill the reducer with the proper viscosity lubricant prior to use Consult the Factory for alternate lubricants Change Intervals LeCentric units utilize extreme pressure lubricants which protect the teeth in the event of the oil thinning out due to local temperature rise or high pressure due to accidental overloads LeCentric reducers are lubed for life and do not require regular oil changes under normal industrial operating conditions and environments if the reducers are operated in severe environments i e high or low temperatures high altitudes dusty caustic etc oil changes may be required ACAUTION Do not mix different oils in the reducer Oils should be compatible with Viton seal material ACAUTION Oil should be changed checked if reducer is used in severe environment AACAUTION In the Food and Drug Industry including animal food consult the lubricants which are acceptable to the Food and Drug Administration and for other authorative bodies having jurisdiction Factory supplied PAG oil is acceptable for incidental food contact NSF H1 for use in and around food processing areas Table 1 Lubri
7. l 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 bending 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 elf 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 IMPORTANT INFORMATION 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 ina 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 conseq
8. ot exceed the allowable load capacities published in the current catalog e 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 for 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 Hotoil and reducers can cause severe burns Use extreme care when removing lubrication plugs and vents e Make 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 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 and no other associated attachments or motors e Use of an oi
9. t is firmly anchored for proper operation Seal Replacement The LeCentric line of speed reducers utilize premium quality seals which are the state of the art in sealing technology Seals are however a wear item and eventually need to be replaced Replacement can be easily accomplished by following the steps below 1 Lock out and tag out the reducer s power source 2 Remove any load from the input and or output shafts of the reducer prior to disconnecting any drive components 3 Remove appropriate drive components to gain access to seal to be replaced 4 Drain oil if seal is below oil level 5 Remove the worn seal without damaging the shaft surface or the seal bore This can be done by drilling a 0 062 diameter hole in the 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 6 Clean the seal bore in housing of sealant 7 Before installing the new seal use electrical tape to cover any keyways on the shaft to prevent seal lip damage 8 Grease the seal lips with bearing grease and apply a sealant to the seal bore in housing 9 Slide the seal onto the shaft being careful not to fold the inner lip over on any shaft steps 10 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 11 Refill reducer to proper level with appropriate lubricant ACAUTION Always check for proper oil
10. t or the driven mechanism AACAUTION 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 Installation Instructions The following instructions apply to standard Grove Gear LeCentric type reducers with base or flange mounting in motorized and non motorized double and triple 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 2 LeCentric reducers are filled with proper amount of oil from Grove Gear Oil quantity is based on mounting position as indicated on reducer nameplate Unless otherwise indicated with order all reducers are filled to level indicated for position H3 If position other than the one indicated on nameplate is required refer to Figure 1 for alternate mounting positions and Table 1 for oil quantities 3 Connect motor to speed reducer 4 LeCentric reducers are designed to operate without a vent Installation of a vent is not required ACAUTION DO NOT CHANGE MOUNTING POSITIONS WITHOUT CONTACTING FACTORY Altering the mounting position may require special lubrication provisions which must be factory installed AAC
11. uential 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 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 Grove Gear Phone 800 894 0412 Fax 888 723 4773 Web www cIrwtr com Email info clrwtr com GROVE GEAR ELECTRA GEAR INSTRUCTION MANUAL Zc CENTRIC GEAR REDUCERS INSTRUCTIONS General Operation 1 Run the motor which drives the reducer and check the direction of reducer output rotation Consult motor nameplate for instructions to reverse the direction of rotation 2 Attaching the load On direct coupled installations check shaft and coupling alignment between speed reducer and loading mechanism On 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 3 High momentum loads If coasting to a stop is undesirable a braking mechanism should be provided to the speed reducer outpu
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