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Planetary Final Drive Repair Instructions 

Assembly Tools 

 

 

T198122 

– BRAKE ASSEMBLY CONCENTRICITY 

 

 

Summary of Contents for Torque-Hub C014C5 Series

Page 1: ...1 Torque Hub Planetary Final Drive C014C5 Series Service Manual Rev 01 11 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 21 Input Coupling Disassembly 23 Housing Spindle Disassembly 24 Output Planet Gear Disassembly 26 Housing Disassembly 27 Assembly Instructions Cover Subassembly 29 Input Carrier Subassembly 30 Output Planet Gear Subassembly 32 Input Coupling Subassembly 33 Spindle Brake Subassembly 34 Housing Subassembly 36 Housing Spindle Subassembly 37 Main Assembly 39 Assembly Drawing 41 Parts List...

Page 4: ...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 resistant gloves should ...

Page 5: ...hin limits shown in the brake chart on page 6 check to see if it has the proper number of springs using the SPRING CHECKING PROCEDURE Increase to maximum pressure refer to brake chart on page 6 and hold at that pressure for one minute If the brake does not leak or lose pressure the unit has passed the brake test If the brake loses pressure attempt to repair the leak using the leak repair procedure...

Page 6: ... the Adaptor Mounting in steps using an X pattern to ensure that brake piston remains straight while being releasing compressed load out of brake cavity of spindle Carefully remove the Adaptor Mounting from the end of the input brake and count the number of springs in brake If number of springs matches the number in the BRAKE CHART go to the next step If the number of springs does not match the nu...

Page 7: ...OLTS ON ADAPTOR MONT AS THEY ARE SUBJECT TO SPRING PRESSURE Re test the input brake If release and or lockup pressures still do not match the brake chart contact the Oerlikon Fairfield service department BRAKE LEAK REPAIR PROCEDURE UnInstall four bolts from the Adaptor Mounting in steps using an X pattern to ensure that brake piston remains straight while being releasing compressed load out of bra...

Page 8: ...edure in the assembly instructions chapter and perform pressure test again If brake still leaks contact the Oerlikon Fairfield service department Reference Sample Model C014C5_ X _ _ _ _ _ _ _ The X is the brake option Model Code Consult Oerlikon Fairfield for other brake options NOTE Failure to perform this test may result in damaged or ineffective brake parts ...

Page 9: ...hould be able 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 ro...

Page 10: ... 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 seal...

Page 11: ...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 12: ...mmended 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 13: ...r 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 Ve...

Page 14: ...14 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 15: ...15 DISASSEMBLY ...

Page 16: ... leak check prior to disassembling the unit 2 Remove the two magnetic Pipe Plugs 16 25 and drain the oil out of the gearbox NOTE Record the condition and volume of the oil 3 Remove the Retaining Ring 4 from the Housing 4 Lift the Cover Subassembly off of the unit Continued on Next Page ...

Page 17: ...12 in steps using an X pattern to ensure that brake piston remains straight while being releasing compressed load out of brake cavity of spindle 9 Remove the Adaptor Mounting 12 from Hub Spindle Subassembly 10 Remove the O ring 10B from Adaptor Mounting 12 11 Remove the Input Coupling Subassembly from the Hub Spindle Subassembly 12 Remove the Input Brake Subassembly out of Hub Spindle Subassembly ...

Page 18: ...18 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 19: ...etary Final Drive Service Manual Cover Disassembly 1 Remove the O Ring 5 from groove in the Cover 2 and discard O Ring 2 Remove Thrust Washers 3 from pocket in the Cover 2 This concludes the Cover Disassembly ...

Page 20: ...ff the shaft as it is removed 3 Using a hammer and punch drive the Roll Pin 8E out of the Planet Shaft 8D and Carrier 8A 4 Remove the Needle Bearings 8C from the inside of the Planet Gear 8F 5 Repeat steps 1 4 for the remaining two Planet Gears 8F CAUTION Safety glasses must be worn during these next steps 6 Carefully remove the Retaining Ring 15 from groove in the Output Sun Gear 7 7 Remove the O...

Page 21: ...ng compressed load out of brake cavity of spindle 3 Remove the Adaptor Mounting 12 from Hub Spindle Subassembly 4 Remove the O ring 10B from Adaptor Mounting 12 5 Remove the Brake Springs 10K from the Brake Piston 10A 6 Remove the Brake Piston 10A out of the Hub Spindle Subassembly 7 Remove the Backup Ring 10E and the O ring 10D from groove in Spindle 1A 8 Remove the Backup Ring 10C and the O ring...

Page 22: ...22 10 Carefully remove the Retaining Ring 10J from retaining groove of Spindle 1A 11 Remove Plastic Plug 19 from Spindle 1A if applicable This concludes the Input Brake Disassembly ...

Page 23: ...Drive Service Manual Input Coupling Disassembly CAUTION Safety glasses must be worn during these next step 1 Remove Retaining Ring 21 from retaining ring groove of Coupling 11 This concludes the Input Coupling Disassembly ...

Page 24: ... the Bearing Carrier 1M out of Housing Spindle Subassembly 4 Remove the Main Bearing Cone 1C from Housing Spindle Subassembly 5 Before removing mark each Output Planet Shaft 1N and planet shaft hole of the Hub Spindle sub assembly so that the shaft can be reassembled into the same hole 6 Using the tapped hole remove each Output Planet Shaft 1N Do not lose the half moon shims 1K that are on the bac...

Page 25: ...t of the spindle window Place each sub assembly with its respective Planet Shaft 1N and Shim Set 1K so that they are matched for re assembly 10 Using a means of prying remove the Main Bearing Cone 1C from the Spindle 11 Remove seal sleeve part of Lip Seal 1B by cutting the sleeve off of the Spindle DO NOT reuse when reassembling Be careful not to damage Spindle This concludes the Housing Spindle D...

Page 26: ...t be worn during this next steps 2 Remove Output Planet Bearing Cones 1R out of Output Planet Gear 1H 3 Use a soft steel rod to tap out the Output Planet Bearing Cups 1Q from Output Planet Gear 1H 4 Remove the Cup Spacer 1J and Retaining Ring 1L 5 Repeat for the other two Output Planet Sub Assemblies This concludes the Output Planet Gear Disassembly ...

Page 27: ...reassembling the unit 2 Using a hammer and punch drive the inboard Bearing Cup 1C out of the Housing 1G Be careful not to damage the counter bore in the Housing 1G 3 Turn the Housing 1G over and drive the outboard Bearing Cup 1C out of the Housing 1G Be careful not to damage the counter bore in the Housing 1G This concludes the Housing Disassembly ...

Page 28: ...28 ASSEMBLY ...

Page 29: ...ly 1 Grease the O ring 5 and place it in the groove in the Cover 2 2 Grease the O ring 5 and place it in the groove in the Cover 2 3 Place the Thrust Washer 3 into counter bore of Cover 2 using grease to hold it in place This concludes the Cover Subassembly ...

Page 30: ... the tool fixture so that one of the roll pin holes is straight up CAUTION Safety glasses must be worn during this next steps 4 Install the output Sun Gear 7 into the splined bore of the Carrier 8A Install Retaining Ring 15 into groove of Sun Gear 7 5 Start Planet Shaft 8D with end opposite roll pin hole first through the planet shaft hole in Carrier 8A making sure that the roll pin hole in the pl...

Page 31: ... The chamfer on the Roll Pin hole should be towards the roll pin hole in the Carrier 9 Drive the Roll Pin 8E with Chamfered end into the roll pin hole in Carrier 8A and into the Planet Shaft 8D until the larger end of the Roll Pin 8E is flush with the outside diameter of Carrier 8F 10 Repeat steps 5 to 9 for the remaining two Planet Gears 8F This concludes the Input Carrier Subassembly ...

Page 32: ... Retaining Ring Plier 2 Install the Thrust Washer 1J into bore of the Planet Gear 1H 3 Install the Bearing Cups 1Q on both side of bore of the Planet Gear 1H by using tool T 210516 4 Install the Bearing cones 1R on both side of bore of the Planet Gear 1H Spray the Bearings with light film of oil 5 Repeat steps 1 to 4 for the remaining two Planet Gears 1H This concludes the Output Planet Gear Subas...

Page 33: ...oupling Subassembly CAUTION Safety glasses must be worn during these next steps 1 Install the Retaining Ring 21 into the retaining ring groove of Input Coupling 11 using retaining ring installation tool This concludes the Input Coupling Subassembly ...

Page 34: ...ext steps 2 Install the Retaining Ring 10J into the retaining groove of the Spindle 1A 3 Place Lobed Stator 10H into the Spindle 1A scallop cuts 4 Place Lobed Stator 10F into the Spindle 1A scallop cuts 5 Place Rotor 10G on top of Stator 10F 6 Repeat steps 4 and 5 until there are a total of 6 Stators 10F and 6 Rotors 10G installed NOTE There should always be a stator on the top and bottom of the s...

Page 35: ...tor 10F 12 Insert appropriate number of springs 10K into piston 10A Refer Brake Chart in page 6 13 Install O Ring 10B into O Ring groove in Adapter Mount 12 14 Place Adaptor Mount 12 on top of springs 10K CAUTION Safety glasses must be worn during these next steps 15 Install four Flat Hex Bolts 14 on Adaptor Mounting 12 in steps using an X pattern to ensure that brake piston remains straight while...

Page 36: ...le Install the other bearing cup 1C with large face down and align with the bore Press cup 1C into housing 1G Insure that the bearing cup is fully seated against the bearing shoulder 3 Spray seal bore with a light film of alcohol Wipe seal bore dry Insure there is no debris on the seal bore surface Apply a thin coat of RTV blue silicone sealant in the seal bore of the housing 1G 4 Remove inner sea...

Page 37: ...using 1G and the Spindle 1A 2 Apply a thin film of P 80 thix or alcohol to the OD of the spindle seal surface 3 Install the Bearing Cone 1C on to Spindle 1A with wide side down 4 Insert inner sleeve into seal press tool T 214917 Insure not to scratch the seal surface Press seal tool with inner sleeve onto spindle Continued on Next Page ...

Page 38: ...ins to insure that they are fully seated then re measure the gap Shim thickness is gap measured plus 001 inches to 002 inches so that there is 001 002 inches of preload 10 Stack shims 1K and place the shims on the recessed face of the planet pin Stack the shims such that the thickest shim is on top 11 Place Bearing Carrier 1M on the bench with the counter bored holes facing down 12 Press the Main ...

Page 39: ...Stud 22 in the Housing 1G with the brake port in Spindle 1A 3 Install Input Carrier Subassembly into the Hub Spindle Subassembly with Intermediate Sun Gear 7 facing down 4 Install the Input Shaft 9 into the Hub Spindle Subassembly 5 If applicable install Sun Gear 6 into input carrier planet gear mesh Continued on Next Page ...

Page 40: ...icture below and install Cover Subassembly 2 to Housing 1G using Retaining Ring 4 7 The unit should now be leak and roll checked as per instructions on page 9 10 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 41: ...41 Planetary Final Drive Service Manual Assembly Drawing ...

Page 42: ...3 1 THRUST WASHER 1A 1 SPINDLE 14 4 FLAT HEAD HEX BOLT 23 1 PRESSURE PLUG 2 1 COVER 16 1 MAGNETIC PIPE PLUG 17 1 PLATE ID 18 4 RIVET 25 1 MAGNETIC PIPE PLUG 7 1 SUN GEAR 8A 1 CARRIER 8D 3 PLANET SHAFT 8F 3 PLANET GEAR 8C 48 NEEDLE ROLLER 8E 3 ROLL PIN 8B 6 WASHER 15 1 RETAINING RING 9 1 INPUT SHAFT 6 1 INPUT SUN GEAR 1N 3 PLANET SHAFT 1M 1 BEARING CARRIER 1G 1 HOUSING 3 1 THRUST WASHER 1C 2 TAPERE...

Page 43: ...10 STUD 19 1 PLASTIC PLUG 10F 6 BRAKE STATOR 10G 6 BRAKE ROTOR 10H 1 BRAKE STATOR 10A 1 BRAKE PISTON 10J 1 RETAINING RING 10C 1 BACK UP RING 10B 2 O RING 10D 1 O RING 10E 1 RETAINING RING 10K SPRING NOTE For Spring 10K quantity refer to the Brake Chart under Brake Test on page 6 ...

Page 44: ...44 Planetary Final Drive Repair Instructions Assembly Tools T198122 BRAKE ASSEMBLY CONCENTRICITY ...

Page 45: ...45 T179926 ASSEMBLY PRESSING TOOL ...

Page 46: ...46 T214917 ASSEMBLY PRESSING TOOL ...

Page 47: ...47 T215321 SEAL PRESSING TOOL ...

Page 48: ...48 T205708 LEAK TEST ADAPTER ...

Page 49: ...49 T219813 BEARING CONE HEATER ...

Page 50: ...50 T219850 STUD DRIVER ...

Page 51: ...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 52: ...52 Oerlikon Fairfield U S 52 South P O Box 7940 Lafayette IN 47903 USA 765 772 4000 www oerlikon com fairfield ...

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