Oerlikon Fairfield Torque-Hub S40B Series, Service Manual

Page 1: ...1 Torque Hub Planetary Final Drive S40B Series Service Manual Rev 09 03 13 ...

Page 2: ...assumes no liability with respect to the use of the documentation described herein or for any act or omission of Fairfield Manufacturing Co Inc concerning this documentation Torque Hub is a registered trademark of Fairfield Manufacturing Co Inc Features and specifications are subject to change without notice ...

Page 3: ... Disassembly 12 Cover Disassembly 14 Housing Spindle Disassembly 15 Output Carrier Disassembly 18 Input Carrier Disassembly 19 Assembly Instructions Cover Subassembly 21 Input Carrier Subassembly 22 Output Carrier Subassembly 24 Housing Spindle Subassembly 26 Main Assembly 30 Assembly Drawing 32 Parts List 33 Assembly Tools 35 General Information Contact Information 47 ...

Page 4: ...nd diagrammed in the Assembly Tools section Users should familiarize themselves with the procedures for roll and leak testing as well as bolt tightening and torquing found on the following three pages before starting any repairs Standard safety practices should be followed during the disassembly and assembly procedures described Safety glasses and safety shoes should be worn and heavy heat resista...

Page 5: ...ble to rotate the gears in the unit applying constant force to the roll checker If more drag is felt in the gears only at certain points then the gears are not rolling consistently and easily and should be examined for improper installation or defects Some gear packages roll with more difficulty than others Do not be concerned if the gears in the unit seem to roll hard as long as they roll with co...

Page 6: ...t in assemblies with lip seals The unit has a leak if the pressure gauge reading on your leak check fitting starts to fall after the gearbox has been pressurized and allowed to equalize Leaks will most likely occur at the pipe plugs the main seal or wherever o rings or gaskets are located The exact location of a leak can usually be detected by brushing a soap and water solution around the main sea...

Page 7: ...e how to tighten and torque bolts or socket head cap screws in a bolt circle 1 Tighten but do not torque bolt A until snug 2 Go to the opposite side of the bolt circle and tighten bolt B until equally snug 3 Crisscross around the bolt circle and tighten the remaining bolts 4 Use a torque wrench to apply the specified torque to bolt A 5 Using the same sequence crisscross around the bolt circle and ...

Page 8: ...mended viscosities for various ambient operating temperatures These recommendations are based on temperature rise of 50 to 100 F at normal operating conditions Continued on Next Page Differential Planetary Simple Planetary Ambient Temperature ISO Index AGMA Lubricant Number ISO Index AGMA Lubricant Number 40 to 5 F 1 VG100 3EP VG100 3EP 5 to 40 F VG150 4EP VG100 3EP 40 to105 F VG220 VG320 5EP 6EP ...

Page 9: ... continuous operation and no higher than 200 F for intermittent operation For special applications high horsepower high speeds or wide temperature changes please consult Oerlikon Fairfield Oil Fill Level When the Torque Hub unit is mounted horizontally unless otherwise specified the gearbox should be filled half full of oil Consult the appropriate series literature for approximate fill volumes Ver...

Page 10: ...10 DISASSEMBLY ...

Page 11: ...11 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 12: ...eck and a leak check prior to disassembling the unit 2 Remove two magnetic Pipe Plugs 14 and drain oil out of gearbox NOTE Record the condition and volume of the oil 3 Remove Bolts 12 from the Cover Subassembly 4 Lift the Cover Subassembly off of the unit Continued on Next Page ...

Page 13: ...e Hub Spindle Subassembly 9 CAUTION Safety glasses must be worn during these next steps 8 Remove Sun Gear 7 from Output Carrier Subassembly 9 Remove External Retaining Ring 26 from the groove on Sun Gear 7 10 Remove Bolts 28 and remove the Locking Plate 27 from Internal Coupling 1H 11 Lift out the Output Carrier Subassembly from Hub Spindle Subassembly This concludes the Main Disassembly ...

Page 14: ...ve in the Cover Plate 5 and discard it 2 Remove Thrust Washer 9 from the Thrust Bearing 10 3 Remove Thrust Bearing 10 from the Thrust Washer 9 4 Remove Thrust Washer 9 from the groove on the Cover Plate 5 5 Remove Thrust Washer 17 from the Cover Plate 5 This concludes the Cover Disassembly ...

Page 15: ...15 Planetary Final Drive Service Manual Housing Spindle Disassembly 1 Set the unit on a bench so that the Spindle 1A flange is down Continued on Next Page ...

Page 16: ...pling 1H 6 Remove Internal Coupling 1H from the Hub 1G 7 Remove Bearing Cone 1F from spline end of the Internal Coupling 1H 8 Turn over the unit and carefully place the unit on a support base until the Spindle 1A rests on it Ensure there is enough gap to lower the Housing 1G down 9 Using a dead blow hammer on the Housing 1G flange to drive the Hosing 1G off of the Spindle 1A 10 Lift the Spindle 1A...

Page 17: ...the Housing 1G Be careful not to damage the counter bore in the housing 15 Turn the Housing 1G over and drive the outboard Bearing Cup 1C out of the Housing Be careful not to damage the counter bore in the housing 16 Remove Pipe Plug 1V from the Spindle 1A 17 Remove Pipe Plug 1T from the Housing 1G 18 Remove Pipe Plug 1K from the Housing 1G This concludes the Housing Spindle Disassembly ...

Page 18: ...out the Planet Gear Subassembly from the window of the Carrier 4A 6 Remove Thrust Washer 2F from the window of the Carrier 4A 7 Remove Bearing Cones 4D from the bore of the Planet Gear 4B 8 Remove Bearing Cups 4C from the bore of the Planet Gear 4B 9 Remove Thrust Spacer 4F from the bore of the Planet Gear 4B CAUTION Safety glasses must be worn during these next steps 10 Remove Retaining Ring 4E f...

Page 19: ...e out Planet Gear Subassembly from the window of Carrier 2A 6 Remove Thrust Washer 2F from the window of the Carrier 2A 7 Remove Bearing Cones 2D from the bore of the Planet Gear 2B 8 Remove Bearing Cups 2C from the bore of the Planet Gear 2B 9 Remove Thrust Washer 2E from the bore of the Planet Gear 2B CAUTION Safety glasses must be worn during these next steps 10 Remove Retaining Ring 2G from th...

Page 20: ...20 ASSEMBLY ...

Page 21: ...ace for assembly 3 Grease and install Bering 10 on top of Thrust Washer 9 4 Grease and install Thrust Washer 9 on top of Bearing 10 5 Grease and install Thrust Washer 17 onto Cover 5 The grease should hold washer in place for assembly 6 Grease and install O Ring 8 into groove on Cover 5 Insure that the O Ring 8 is fully seated against the inner diameter This concludes the Cover Subassembly ...

Page 22: ...ng Cups 2C with wide face into bore of the Planet Gear 3F Insure that Bearing Cup has seated completely against Retaining Ring and Thrust Washer in the respective sides 5 Install Bearing Cone 2D into Bearing Cup 2C on both sides of the Planet Gear 2B 6 Apply grease and install Thrust Washer 2F on planet shaft bore top side in Carrier 2A planet gear window 7 Slide Planet Gear 2B assembly into plane...

Page 23: ...Lock Pin 2J into lock pin slot in Carrier 2A and Planet Shaft 2K 11 Install Tanged Lock Washer 2I onto Planet Shaft 2K 12 Clean threads on Planet Shaft and Bearing Nut Apply Loctite 263 and install Bearing Nut 2H onto Planet Shaft 2K by using tool T 136699 Tighten Bearing Nut 2H and measure rolling torque of planet gear using a fish scale Torque Bearing Nut 2H until 1 5 2 lbs of drag is achieved w...

Page 24: ...ve of the Planet Gear 4B 2 Install Spacer 4F into bore of the Planet Gear 4B onto Retaining Ring 4E 3 Use tool T 159309 and install both Bearing Cups 4C with wide face outside into bore of the Planet Gear 4B Insure that the Bearing Cups are seated completely against the retaining ring and thrust washer in the respective sides 4 Install Bearing Cone 4D into Bearing Cup 4C on both sides of the Plane...

Page 25: ...he Carrier 4A hole and through Planet Gear 4B bearing inner race by aligning the lock pin slot in both Carrier 4A and Planet Shaft 4K 9 Install Lock Pin 2J into lock pin slot in Carrier 4A and Planet Shaft 4K 10 Install tanged Lock Washer 2I onto Planet Shaft 4K 11 Apply Loctite 263 and install Bearing Nut 2H onto Planet Shaft 4K by using tool T 136699 Tighten Bearing Nut 2H and measure rolling to...

Page 26: ...sing Tool T 125033 into bearing counter bore of cover end of Housing 1G making sure that it is fully seated against shoulder in the housing 5 Press Bearing Cone 1D into Spindle 1A with assembly pressing tool T 160835 and spray with a light coat of oil 6 Using alcohol and a clean rag wipe off seal locations on the Housing 1G and Spindle 1A NOTE Generally seals should not be reused 7 All of the Seal...

Page 27: ...1A splines As splines begin to engage stop lowering the hub 1G Look to check for correct alignment of the Face Seal 1B Slowly lower the hub 1G while slowly rotating the hub 1G If while rotating the hub 1G the Face Seal 1B rotates STOP RE ALIGN the Face Seal 1B and continue to lower the Hub 1G while checking the alignment of the Hub 1G to the Face Seal 1B 15 NOTE The Face Seal is properly aligned w...

Page 28: ...installing Shims to prevent injury 18 Place the shim pack on the end of the Shaft 1A place the Bearing Plate 1L on the Shim Pack 1I Install Bolts 1J with Loctite 272 through Bearing Plate and into the Shaft Tighten Bolts evenly and roll the Hub to seat the bearings Torque Bolts 1J to 30 35 ft lbs safety wire in pairs 19 Install O Ring 25 into groove in the Hub 1G 20 Install Pipe Plug 1K into Hub 1...

Page 29: ...29 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 30: ...iner plate 27 into Internal Coupling 1H with Loctite 243 and torque to 130 150 in lbs CAUTION Safety glasses must be worn during these next steps 4 Install Retaining Ring 26 into groove of Sun Gear 7 Install Sun Gear 7 into mesh with Planet Gear 4B against Spindle 1A 5 Install Ring Gear 18 onto Hub 1G aligned with Dowel Pin 13 and into mesh with Planet Gears 4B Install 20 Flanged Bolts 11 through ...

Page 31: ...e them to 35 45 ft lbs 10 Install Pipe Plugs 14 with thread sealant into Cover 11 The unit should now be leak and roll checked as per instructions on page 5 and 6 The motor can be reinstalled into the gearbox for the leak check to seal it off and the unit pressurized through a pipe plug hole on the cover This concludes the Main assembly ...

Page 32: ...32 Planetary Final Drive Service Manual Assembly Drawing ...

Page 33: ...RRIER 2B 3 PLANET GEAR 2C 6 BEARING CUP 2D 6 BEARING CONE 2E 3 THRUST WASHER 2F 6 THRUST WASHER 2G 3 INTERNAL RETAINING RING 2H 6 BEARING NUT 2I 6 LOCK TANGED WASHER 2J 6 LOCK PIN 2K 3 PLANET SHAFT 4A 1 CARRIER 4B 3 PLANET GEAR 4C 6 BEARING CUP 4D 6 BEARING CONE 4E 3 INTERNAL RETAINING RING 4F 3 THRUST WASHER 5 1 INPUT COVER 6 1 SUN GEAR 7 1 SUN GEAR 8 1 O RING 9 2 THRUST WASHER 10 1 THRUST BEARIN...

Page 34: ...D PLATE 16 2 SCREW DRIVE 17 1 THRUST WASHER 18 1 RING GEAR 25 1 O RING 26 1 EXTERNAL RETAINING RING 27 3 RETAINER PLATE 28 6 BOLT 1X 1 PIPE PLUG 1T 1 PIPE PLUG 1K 2 MAGNETIC PIPE PLUG 1V 3 PIPE PLUG 1U 1 SEAL BOOT 1P 1 BEARING CARRIER ...

Page 35: ...35 Planetary Final Drive Repair Instructions Assembly Tools T125033 BEARING CUP ASSEMBLY ADAPTOR ...

Page 36: ...36 T125034 BEARING CUP ASSEMBLY ADAPTOR ...

Page 37: ...37 T164786 ALIGNMENT PIN FOR ASSEMBLY ...

Page 38: ...38 T136699 750 DRIVE LOCKNUT WRENCH ...

Page 39: ...39 T163327 SPLINED LOCATOR RING ...

Page 40: ...40 T159309 LOADING PLUG AND BASE FOR ASSEMBLY ...

Page 41: ...41 T160835 ASSEMBLY PRESSING TOOL ...

Page 42: ...42 T158152 LOADING PLUG AND BASE FOR ASSEMBLY ...

Page 43: ...43 T158338 ASSEMBLY PRESSING TOOL ...

Page 44: ...44 T147871 N 12 LOCK NUT WRENCH ...

Page 45: ...45 T173814 LEAK TEST ADAPTOR ...

Page 46: ...46 T212150 ROLL TEST TOOL ...

Page 47: ...g facility that includes a full service heat treat department Our philosophy of synchronous engineering is a partnership that matches our best and brightest people with your people to evaluate your unique requirements and develop products and assemblies that meet your needs For more information contact Fairfield Manufacturing Co Inc today Mailing Address Fairfield Manufacturing Co Inc U S 52 South...

Page 48: ...48 Oerlikon Fairfield U S 52 South P O Box 7940 Lafayette IN 47903 USA 765 772 4000 www oerlikon com fairfield ...