"user manual"
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1. 25 to 25 C Mobil Kl bersynth TRE 13 to 77 F Glygoyle 150 V ve s UH1 6 150 Low end service temperature limit may vary for a specific lubricant Please also see the important notes on Page 1 NORD Gear Limited Toll Free in Canada 800 668 4378 09 23 10 NORD Gear Corporation Toll Free in the United States 888 314 6673 www nord com docs DRIVESYSTEMS SK 9055 and SK 9155 All SK 9055 and SK 9155 NORD Gear reducers are shipped from the factory with a pre determined oil fill level in accordance to the specified reducer size and mounting position For additional information please refer to the Oil Plug amp Vent Locations documentation for your gear unit CONVEYOR DRIVE OIL FILL QUANTITIES HARMFUL SITUATION Actual oil volume can vary slightly depending upon the gear case size mounting and ratio Prior to commissioning the reducer check the oil fill level using the reducer s oil level plug and drain or add addition oil as needed For mounting orientations other than shown please consult NORD Gear Reducer modifications may be required RETAIN FOR FUTURE USE e U12101 1 of 1 Type Stages Ratio Range M1 M2 M3 M4 M5 M6 Quarts Liters Quarts Liters Quarts Liters Quarts Liters Quarts Liters Quarts Liters SK 9055 3 8 83 329 69 1 3 80 3 60 10 25 9 70 12 052. _ _ _ RETAIN FOR FUTURE USE U15351 3 of 3 109 124 io 25 191 i195 120 13 114 M15 116 117 118 N16 SK9 155 32 and SK9155 42 11 Bearing 114 Intermediate Flange 119 Intermediate Shaft Plain 13 Nilos Ring 115 Lock Washer 120 Intermediate Shaft Gearcut 16 Spacer 116 Bolt 121 Bearing Sleeve 117 Lock Washer 124 Snap Ring 118 Bolt 25 Snap Ring 109 Oil Seal Conditionally used part NORD Gear Limited NORD Gear Corporation Toll Free in Canada 800 668 4378 Toll Free in the United States 888 314 6673 09 23 10 www nord com docs
3. NORD Gear Limited NORD Gear Corporation Toll Free in Canada 800 668 4378 Toll Free in the United States 888 314 6673 09 23 10 www nord com docs CONVEYOR DRIVE LUBRICATION TYPES ec RETAIN FOR FUTURE USE U11001 1 of 2 Lubrication Tables SK 9055 and SK 9155 Gear Units Standard Oil Lubricants ISO Viscosity Oil Type Ambient Temperature Range Manufacturer Brand Type MIN EP 0 to 40 C 32 to 104 F Mobil Spartan EP220 VG220 35 to 60 C 31 to 140 F Mobil SHC630 15 to 40 C 5 to 104 F Shell FM220 6 DRIVESYSTEMS Optional Oil Lubricants ISO Viscosity Manufacturer Brand Type Jea 35 to 80 C 31 to 176 F Mobil SHC634 35 to 80 C 31 to 176 F Mobil Cibus SHC460 6 VG220 35 to 50 C 31 to 122 F Mobil Cibus SHC220 VG150 Mobil SHC629 Grease Options applied to greased bearings and seal cavities NLGI Grade Manufacturer Brand Type 30 to 60 C 22 to 140 F Mobil Grease XHP222 6 0 NLGI 2 25 to 80 C 13 to 176 F Mobil Polyrex EP 2 25 to 40 C 13 to 104 F Mobil Grease FM222 Stocked Lubricants Standard product on serviceable gear units IMPORTANT NOTES e The Ambient Temperature is intended to be an operation guideline based upon the typical properties of all the lubricant The viscosity and other properties of the lubricant change based upon load speed ambient conditions and reducer operating temperatures
4. The user should consult with their lubrication supplier amp NORD gear before considering changes in oil type or viscosity e To prevent reducer overheating observe the maximum operating oil temperature limits Mineral Oil 80 85 C 176 180 F Synthetic Oil 105 C 225 F e n the following instances please consult NORD for specific recommendations y Gear units will operate in high ambient temperature conditions exceeding 40 C 104 F V Gear units will operate in cold ambient temperature conditions approaching 0 C 32 F or lower V Lower than an ISO VG100 viscosity oil is being considered for a cold temperature service y Fluid grease is required for lubricating the gear unit e Observe the general lubrication guidelines outlined in user manual U10750 Cil Formulation Codes Lubrication Notes MIN EP Mineral Oil with EP Additive e Avoid using EP gear oils in worm gears that contain PAO EP Synthetic Polyalphaolefin Oil with EP Additive sulfur phosphorous chemistries as these additives can PAO Synthetic Polyalphaolefin Oil react adversely with bronze worm gears and accelerate PG Synthetic Polyglycol Oil wear ro i AE oil heti ET e Food grade lubricants must be in compliance with FDA 212 depu bens AS Gal E Oi CFR 178 3570 and qualify as a NSF H1 lubricant Please FG PG Food Grace synthetic Polyglycol Oi consult with lubrication manufacturer for more information e When making a lubrication change check
5. gear unit is filled with mineral oil the lubricant should be replaced at least after every 10 000 operating hours or after every two years If the gear unit is filled with synthetic oil the lubricant should be replaced at least after every 20 000 operating hours or after every four years Often gear reducers are exposed to extreme ambient conditions hostile environments wet conditions or dirty and dusty operating areas Especially in these situations it is important to estab lish a condition based oil service interval NORD Gear Limited Toll Free in Canada 800 668 4378 09 23 10 RETAIN FOR FUTURE USE U10751 1 of 2 4 Oil viscosity Viscosity or the oil s resistance to shear under load is often considered the single most important property of any gear oil e Often one will consider making a viscosity correction to the oil to improve the performance when operating the gear unit at low temperature or high temperature e n cases of extreme load conditions gear pairs and antifric tion bearings may be more susceptible to sliding or scuffing wear In these operating conditions it may also be ben eficial to consider an increased lubrication viscosity and or a lubrication with improved antiwear additive packages IMPORTANT NOTE The user should consult with their primary lubrication supplier before considering changes in oil type or viscosity 5 Maximum oil sump temperature limit To prevent reducer
6. 11 40 12 15 11 50 6 87 6 50 8 66 8 20 SK 9055 4 172 08 4246 38 1 6 02 5 70 10 78 10 20 15 53 14 70 15 53 14 70 6 97 6 60 10 14 9 60 SK 9155 3 9 16 245 76 1 12 68 12 00 29 06 27 50 24 87 33 00 40 68 38 50 20 08 19 00 27 47 26 00 Q0 12 68 21 00 29 06 27 50 24 87 33 00 40 68 38 50 20 08 19 00 27 47 26 00 SK 9155 32 5 311 10 3251 68 1 O9 1 37 1 30 3 07 2 90 3 49 3 30 3 28 3 10 2 54 2 40 2 54 2 40 12 68 12 00 29 06 27 50 34 87 33 00 40 68 38 50 20 08 19 00 27 47 26 00 SK 9155 42 5 134 14 269 39 1 1 90 1 80 4 65 4 40 4 76 4 50 4 23 4 00 3 91 3 70 3 91 3 70 Q SK 9155 oil level SK 32 oil level SK 42 oil level NORD Gear Limited NORD Gear Corporation Toll Free in Canada 800 668 4378 09 23 10 Toll Free in the United States 888 314 6673 www nord com docs CONVEYOR DRIVE OIL PLUG amp VENT LOCATIONS ee DRIVESYSTEMS _ _ _ _ RETAIN FOR FUTURE USE U14401 1 of 1 Oil Plug Locations The NORD SK 9055 and SK 9155 Conveyor Drive reducers are designed to be output flange mounted The following charts detail the six basic mounting positions for the SK 9055 and SK 9155 gear units The standard or most typical mounting position is M5 All SK 9055 and SK 9155 NORD gear reducers are shipped from the factory with a pre determined oil fill level in accordance to the specified reducer size and mounting position The mounting pos
7. 4 E Am ea ee hie eh a T LJ n Li a Ro i r ARIE e z 7 a ee re i met L s b i ig T t EN ET LS Y Sent La a DEAN ou Sealed open vent Activated open vent Filtered Vent NORD may offer an optional filtered vent which allows gases to permeate but does not allow dust and debris to pass through the vent NORD Gear Corporation Toll Free in the United States 888 314 6673 09 23 10 www nord com docs CONVEYOR DRIVE EXTENDED BEARING LUBRICATION amp DRIVESYSTEMS _ _ _ _ RETAIN FOR FUTURE USE U10752 1 of 1 1 SK 9055 and SK 9155 Conveyor Drive Units Oil Sight Glass Quadrilip Sealing System The NORD SK 9055 and SK 9155 Conveyor Drive reducers are designed to be a mounting flange and output shaft drop in for existing industry standard overhead conveyor drives Cil Slinger Dry Cavity Screw Plug Grease Purge 2 Spread Bearing Design with Dry Cavity Spherical Roller Bearing The SK 9055 and SK 9155 Overhead Conveyor Drive gear units have two main features a spread bear ing design or large output bearing span and an oil leakage protection system The spread bearing design enables the NORD box to handle high overhung loads The top bearing is a cylindrical roller bearing and the u bottom bearing is a spherical roller bearing selected ressent for its high radial load capacity Output Flange Grease Packed D
8. 4 J J T 707 772 785 711 741 795 713 739 Js OMA 227 4 778 789 742 741 738 731 729 737 734 735 761 733 703 702 761 735 734 N740 Input cover Snap ring Gasket Key Drain plug Gasket Taper roller bearing Taper roller bearing Bore plug Shim Shim Bevel housing VLIIAI housing Taper roller bearing Key Shim Taper roller bearing Grooved pin Bore plug Socket head screw Socket head screw Eyebolt Nilos ring Nilos ring Lock nut Lock washer Lock washer Hex head screw Oil level indicator Gasket Shim Seal Spacer Circlip Shim Seal Drain plug Grease nipple Shim O ring Oil slinger Nilos ring NORD Gear Corporation Toll Free in the United States 888 314 6673 www nord com docs CONVEYOR DRIVE PARTS LIST DRAWINGS ED DRIVESYSTEMS RETAIN FOR FUTURE USE U15351 2 of 3 32 9 DO M J8 a 27 59 DO 537 b 26 50 45 46 4 J 129 M8 428 462 N63 SK9055 4 Stage Input Reduction Key Snap Ring Anti Friction Bearing Shim Snap Ring Snap Ring Key Snap Ring Snap Ring Oil Plug Third Reduction Gearcase Intermediate Shaft Plain Gasket Gasket Intermediate Shaft Gearcut Anti Friction Bearing Snap Ring Conditionally used part NORD Gear Limited NORD Gear Corporation Toll Free in Canada 800 668 4378 Toll Free in the United States 888 314 6673 09 23 10 www nord com docs CONVEYOR DRIVE PARTS LIST DRAWINGS ED DRIVESYSTEMS _ _
9. 80 C Mobil Cassida Kl bersynth np 4 to 176 F Glygoyle 460 WG460 un ds UH1 6 460 MIN EP 0 to 40 C Spartan Omala Alpha Renolin Kl beroil 32 to 104 F EP220 220 SP220 EP220 GEM 1 220N PAO EP 30 to 60 C Mobilgear Omala Alphasyn Gearmaster Kl bersynth 22 to 140 F SHC220 HD220 EP220 SYN220 NA EG 4 220 PAO 30to 60 C Mobil Omala Alphasyn Geralyn Kl bersynth 22 to 140 F SHC630 RL220 T220 SF220 GEM 4 220N VG220 PG 25 to 60 C Mobil Tivela Alphasyn Renolin Kl bersynth 13 to 140 F Glygoyle 220 S220 PG220 PG220 GH 6 220 0 to 40 C Mobil Shell Geralyn G 32 to 104 F DTE FM 220 FM220 NA AW220 MA 25 to 60 C Mobil Cibus Cassida Geralyn Kl beroil Det 13 to 140 F SHC220 GL220 A SF220 4 UH 1 220N 25 to 60 C Mobil Cassida Kl bersynth icis 13 to 140 F Glygoyle 220 WG220 jus NA UH1 6 220 MIN EP 0 to 25 C Spartan Omala Alpha Renolin Kl beroil 32 to 77 F EP150 150 SP150 EP150 GEM 1 150N PAO EP 30 to 25 C Mobilgear Omala Alphasyn Gearmaster Kl bersynth 22 to 77 F SHC150 HD150 EP150 SYN150 NA EG 4 150 PAO 30 to 25 C Mobil Omala Alphasyn Geralyn Kl bersynth 22 to 77 F SHC629 RL150 T150 SF150 GEM 4 150N VG150 PG 25 to 25 C Mobil Tivela Alphasyn Renolin Kl bersynth 13 to 77 F Glygoyle 150 150 PG150 PG150 GH 6 150 0 to 25 C Mobil ix 32to 77 F DTE FM 150 MA un bn ida 25 to 25 C Cassida Geralyn Kl beroil ars 13 to 77 F ee GL150 ids SF150 4 UH 1 150N
10. Zio CONVEYOR DRIVE REDUCER LUBRICATION amp c DRIVESYSTEMS 1 Importance of proper lubrication Proper gearbox lubrication is essential in order to reduce friction heat and component wear Lubricants reduce heat and wear by inserting a protective fluid boundary between mating parts and preventing direct metal to metal contact Lubricants also help prevent corrosion and oxidation mini mize foam improve heat transfer optimize reducer efficiency absorb shock loads and reduce noise 2 Factory oil type All SK 9055 and SK9155 Conveyor Drive reducers shipped from the factory with a pre determined oil fill level in accordance to the specified mounting position Oil filling be fore shipment prevents damage from dry start ups and helps assure that the proper lubrication is used Standard Oil Fill The standard oil fill for the SK 9055 and SK 9155 Conveyor Drive is ISO VG 220 Mineral Oil Optional Oil Fill Both synthetic and food grade oil options are also available upon request Consult the sticker adjacent to the fill plug to determine the type of lubricant installed at the factory Some units have special lubricants designed to operate in certain environments or intended to extend the service life or service temperature range of the lubricant If in doubt about which lubricant is needed for a certain applica tion please contact NORD Gear IMPORTANT NOTE 3 Lubrication replacement If the
11. il analysis indicates any of the following e Viscosity has changed by approximately 10 or more e Debris particles silicon dust dirt or sand exceed 25 ppm e ron content exceeds 150 200 ppm e Water content is greater than 0 05 500 ppm The total acid number TAN tests indicate a significant level of oxidative break down of the oil and a critical reduction in performance If the TAN number measured changes by more than 596 over the new oil then an oil change would be recommended 7 Mounting position and oil fill quantity Please see the seperate mounting position diagrams and the corresponding oil fill quantity tables for the specified gear unit The gearbox nametag will indicate the mounting position that was provided For mounting orientations other than shown in the mounting position charts please consult NORD Gear HARMFUL SITUATION Actual oil volume can vary slightly depending upon the gear case size mounting and ratio Prior to commissioning the reducer check the oil fill level using the reducer s oil level plug and drain or add additional oil as needed 8 Oil plug locations All gear units are assembled with the oil fill level oil drain and vent plugs installed in their proper locations according to the specified mounting position All standard plugs are metric and utilize sealing gaskets between the head of the plug and the reducer housing NORD Gear Limited Toll Free in Ca
12. ition also determines the posi tion of the oil drain oil fill and oil vent locations on the gear unit SK 9155 42 and SK 9155 32 compound gear unit assemblies have separate oil sump areas SK 9055 3 Stage SK 9055 4 Stage For mounting positions other than shown please consult NORD Gear V Vent W Oil Level B Oil Drain NORD Gear Limited NORD Gear Corporation Toll Free in Canada 800 668 4378 Toll Free in the United States 888 314 6673 09 23 10 www nord com docs p DRIVESYSTEMS 719 715 714 717 718 756 743 732 734 735 03 7 45 747 748 705 746 766 765 SK 9055 SK9155 Flange Output gear Output pinion shaft Bevel gerset Driving gear Driving pinion Solid shaft Snap ring Shim Taper roller bearing Gasket Gear case cover Vent plug Gasket Socket head screw Key Snap ring Cylindrical roller bearing Bore plug Gasket Shim NORD Gear Limited Toll Free in Canada 800 668 4378 09 23 10 CONVEYOR DRIVE PARTS UST DRAWINGS RETAIN FOR FUTURE USE 722 _760 9055 e U15351 1 of 3 784 720 701 782 99 749 753 791 788 744 712 797 9155 730 786 768 721 781 769 723 787 728 i AV S 790
13. nada 800 668 4378 U10751 2 of 2 9 Drain and fill level plugs All reducer drain plugs are metric socket head cap screws For ease of draining the used oil from the gear reducer use the socket head screw located at the lowest part of the gearbox For ease of identification it is NORD s standard practice to provide a hex head screw for the fill level plug Fill Level Plug Drain Plug 10 Vent plug locations Reducer venting allows for air pressure differences that occur during operation between the inner space of the reducer and the atmosphere while ensuring leak free operation The AUTOVENT is standard on all helical inline gear units AUTOVENT The AUTOVENT helps prevent D bearing and gear damage by blocking entry of a foreign material water dust corrosives etc The breather acts like a check valve that opens at approximately 2 psi during operation closes tightly as the gearbox cools and produces a slightly negative pressure This option is perfect for humid conditions and wash down environ ments helping to maintain proper oil cleanli ness and reducing foaming and oxidation Open Vent An optional open vent can be supplied on NORD reducers The open vent will be closed upon delivery to pre vent oil leakage Before the reducer is put into operation the open vent should be activated by removing the sealing plug 1 ee ee a EDS m WU IU JESZEPCHESYAERSIG TAS Li x Sr wm
14. ouble Lip Seal 3 Service Guidelines for the Extended Bearing Flange The spherical roller bearing on the extended bearing housing should be re greased with 0 75 to 1 0 ounces 20 25 grams of grease after every 2 500 hours of service or at least every 6 months Prior to re greasing the screw plug located opposite to the grease nipple should be unscrewed After re greasing the screw plug must be reinstalled and tightened The extended bearing is factory assembled with the proper amount and type of grease The type of grease supplied depends upon the type of oil specified at time of order Bearing Grease Options Reducer Oil Type Grease Type Thickener Type NLGI Grade Ambient Temperature Range Manufacture Brand Type I Mineral Standard Li Complex NLGI 2 30 to 60 C 22 to 140 F Mobil Grease XHP222 Synthetic High Temperature Polyurea NLGI 2 25 to 80 C 13 to 176 F Mobil Polyrex EP 2 Food Grade Food Grade Al Complex NLGI 2 25 to 40 C 13 to 104 F Mobil FM222 HARMFUL SITUATION Grease compatibility depends upon the type of thickener or soap complex used the base oil type suspended within the thickener and the type of additives used The user should check with the lubrication supplier before making substitutions in brand and type in order to assure compatibility and to avoid causing possible damage to the extended bearing
15. overheating the reducer s maximum oil sump temperature limit must not be exceeded for prolonged periods of operation up to 3 hours continuous operation depending upon reducer size Oil Type Maximum Oil Temperature Limit NORD AGMA 9005 D94 Mineral 80 85 C 176 185 F 95 C 203 F Synthetic 105 C 220 F 107 C 225 5 IMPORTANT NOTE Use caution when specifying gear reducers for high tem perature service f there is concern about exceeding the allowable safe operating temperatures please consult NORD to discuss alternatives NORD Gear Corporation Toll Free in the United States 888 314 6673 www nord com docs Zio CONVEYOR DRIVE REDUCER LUBRICATION amp c DRIVESYSTEMS 6 The importance of routine oil analysis Routine oil analysis sound lubrication practices and good tracking of oil performance trends will help establish prop er lubrication maintenance and change out intervals To maximize equipment reliability NORD Gear generally recom mends a condition based lubrication maintenance program One may take exceptions to this general recommendation on sealed for life or maintenance free gear units or smaller and less costly gear units In these instances the replacement cost of the gear unit is often small compared to the costs associated with this type of oil analysis program RETAIN FOR FUTURE USE HARMFUL SITUATION NORD suggests replacing the gear oil if o
16. with the lubrication supplier to assure compatibility and to obtain recommended cleaning or flushing procedures e Do not to mix different oils with different additive pack ages or different base oil formulation types Polyglycol PG oils are not miscible with other oil types and should never be mixed with mineral oil or polyalphaolefin PAO synthetic oil NORD Gear Limited NORD Gear Corporation Toll Free in Canada 800 668 4378 Toll Free in the United States 888 314 6673 09 23 10 www nord com docs CONVEYOR DRIVE LUBRICATION TYPES e DRIVESYSTEMS RETAIN FOR FUTURE USE U11001 2 of 2 Oil Cross reference Chart ISO Oil Ambient LA Viscosity Type Temperature Mobil w G 7 Range Shell Castrol ARTEN MIN EP 0 to 40 C Spartan Omala Alpha Renolin Kl beroil 32 to 104 F EP460 460 SP460 EP460 GEM 1 460N PAO EP 20 to 80 C Mobilgear Omala Alphasyn Gearmaster Kl bersynth 4 to 176 F SHC460 HD460 EP460 SYN460 NA EG 4 460 PAO 20 to 80 C Mobil Omala Alphasyn Geralyn Kl bersynth 4 to 176 F SHC634 RLA60 T460 SF460 GEM 4 460N VGA60 PG 20 to 80 C Mobil Tivela Alphasyn Renolin Kl bersynth 15 to 176 F Glygoyle 460 S460 PG460 PG460 GH 6 460 0 to 40 C Mobil DTE Shell Geralyn 32 to 104 F FM460 FM460 un AW 460 NA 20 to 80 C Mobil Cibus Cassida Geralyn Kl beroil aie 4 to 176 F SHC460 GL460 Dis SFA60 4 UH 1 460N 20 to
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