Oerlikon Fairfield Torque-Hub 18HC00 Series Service Manual Download | Manualshive

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Torque-Hub

®

Planetary Final Drive

18HC00 Series Service

Manual

Rev 13/02/13

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Summary of Contents for Torque-Hub 18HC00 Series

Page 1: ...1 Torque Hub Planetary Final Drive 18HC00 Series Service Manual Rev 13 02 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: ...bly 13 Input Coupling Disassembly 14 Housing Spindle Disassembly 16 Output Carrier Disassembly 18 Input Carrier Disassembly 19 Assembly Instructions Cover Subassembly 21 Input Carrier Subassembly 22 Output Carrier Subassembly 24 Input Coupling Subassembly 26 Housing Spindle Subassembly 27 Main Assembly 29 Assembly Drawing 31 Parts List 32 Assembly Tools 34 General Information Contact Information 4...

Page 4: ... 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 resistant...

Page 5: ...le 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 con...

Page 6: ...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 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: ...nd a leak check prior to disassembling the unit 2 Remove three magnetic Pipe Plugs 6H and drain the oil out of the gearbox NOTE Record the condition and volume of the oil 3 Remove Bolts 27 from the Cover Subassembly 4 Lift the Cover Subassembly off of the unit Continued on Next Page ...

Page 12: ...Spindle Subassembly 7 Remove the Output Sun Gear 12 8 Remove the Ring gear 4 out of the Hub Spindle Subassembly 9 Remove the Output Carrier Subassembly out of the Hub Spindle Subassembly 10 Remove the Input Coupling Subassembly out of the Hub Spindle Subassembly This concludes the Main Disassembly ...

Page 13: ... Remove the Hex Head Bolts 6C from the Disengage Cap 6D if required 5 Remove the Disengage Cap 6D from the Cover Cap 6B 6 Pull the Disengage Rod 6E out of the Cover Plate 6A 7 Remove O Ring 6K from the Cover Cap 6B and discard it 8 Remove O Ring 6F from Cover Cap 6B and discard it 9 Remove Hex Head Bolt 6L from Cover Cap 6B 10 Remove Cover Cap 6B from Cover Plate 6A 11 Remove O Ring 6G and discard...

Page 14: ...ese next steps 1 Remove Retaining Ring 20C from retaining ring groove of Input Shaft 9 2 Remove Input Shaft 9 from the splines of the Input Coupling 20A 3 Remove Spring 20B from the Input Coupling 20A 4 Remove Retaining ring 20D from the groove of the Input Coupling 20A This concludes the Input Shaft Disassembly ...

Page 15: ...15 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 16: ...16 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 17: ...ard Bearing Cone 1F off of the Spindle 1A 6 Lift the Spindle 1A out of the Housing 1G 7 Remove the Boot Seal 1K from the Housing 1G 8 Remove the Lip Seal 1B from the Housing 1G 9 Using a hammer and punch drive the inboard Bearing Cup 1E out of the Housing 1G Be careful not to damage the counter bore in the housing 10 Turn the Housing 1G over and drive the outboard Bearing Cup 1C out of the Housing...

Page 18: ...push the Planet Shaft 3E out of the Carrier 3A The Thrust Washers 3B will slide off the Planet Shaft 3E as it is removed 3 Using a hammer and punch drive the Roll Pin 3H and Spring Pin 3G out of the Planet Shaft 3E and Carrier 3A 4 Remove the Needle Rollers 3C and the Spacer 3D from inside of the Planet Gear 3F 5 Repeat steps 1 4 for the remaining three Planet Gears 3F This concludes the Output Ca...

Page 19: ...Gear 8F and push the Planet Shaft 8D out of the Carrier 8A The Thrust Washers 8B will slide off 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 This concludes the Input Carrier Disassembly ...

Page 20: ...20 ASSEMBLY ...

Page 21: ...ver 6A 5 Install Cover Cap 6B to the Cover 6A using two Hex Bolts 6L and Tighten the Bolts to a torque of 10 11 ft lbs 6 Grease the O ring 6F and install into the internal groove in the Cover Cap 6B 7 Grease the O ring 6K and install into the internal groove in the Cover Cap 6B 8 Attach the Disengage Cap 6D to the Cover Cap 6B using Hex Bolts 6C Tighten the Bolts to a torque of 6 7 ft lbs 9 Turn t...

Page 22: ...at form the space and then slide parallel to the other rollers into place 3 Place the Carrier 8A into the tool fixture so that one of the roll pin holes is straight up 4 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 with the large chamfer in the planet shaft is straight up 5 Using ample grease to hold them...

Page 23: ... NOTE The chamfer on the Roll Pin hole should be towards the roll pin hole in the Carrier 8 Drive the Roll Pin 8E with small end into the roll pin hole in carrier and into the Planet Shaft 8D until the larger end of the roll pin is flush with the outside diameter of Carrier 8A 9 Repeat steps 4 to 8 for the remaining two Planet Gears 8F This concludes the Input Carrier Subassembly ...

Page 24: ...he space and then slide parallel to the other rollers into place 3 Place one Spacer 3D on top of the Needle Rollers 3C inside the Planet Gear 3F 4 Install second row of Needle Rollers 3C into bore of the Planet Gear 3F 5 Place the Planet Carrier 3A into the tool fixture so that one of the roll pin holes is straight up 6 Start Planet Shaft 3E with end opposite roll pin hole first through the planet...

Page 25: ...t shaft and carrier are aligned If necessary align roll pin holes using a 1 8 diameter punch NOTE The chamfer on the Roll Pin hole should be towards the roll pin hole in the Carrier 11 Insert the Roll Spring 3G into the Roll Spring hole in the Carrier 3A 12 Drive the Roll Pin 3H with the small end into Roll Spring 3G in carrier and into the Planet Shaft 4E until the larger end of the roll pin is f...

Page 26: ...these next steps 1 Install Internal Retaining Ring 20D into the groove of Coupling 20A 2 Install Spring 20B into Coupling 20A 3 Install Input Shaft 9 into Coupling 20A 4 Push down on the Input Shaft 9 and Install Internal Retaining Ring 20C into groove of Coupling 20A This concludes the Input Shaft Subassembly ...

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Page 28: ...against shoulder in housing Use Tool T155655 4 Turn Housing 1G over and press one Bearing Cup 1C using Tool T156792 into bearing counter bore of cover end of Housing 1G making sure that it is fully seated against shoulder in the housing NOTE Generally seals should not be reused 5 Place one Bearing Cone 1D into the Housing 1G and if necessary spray with a light coat of oil 6 Spray the housing seal ...

Page 29: ...1A seal diameter with brush 9 If used install Boot Seal 1K onto Housing 1G 10 Install two Pipe Plugs 1U onto Spindle 1A and torque to 52 57 ft lbs 11 Install the Housing 1G onto the Spindle 1A with seal side down 12 Place the Thrust Washer 1L and External Retaining Ring 1J on the Bearing Cone 1F 13 Slide Bearing Cone 1F Thrust Washer 1L and External Retaining Ring 1J altogether onto Spindle 1A unt...

Page 30: ... Hub Spindle Subassembly aligning Ring Gear 4 with the Dowel Pins 15 5 Insert Output Sun Gear 12 to mesh with the Output Planet Gears 6 Install Input Carrier Subassembly into Ring Gear 4 make sure that the splines of the Sun Gear 12 aligned with the splines of the Input Carrier Subassembly 7 Install Input Sun Gear 7 onto input Shaft if applicable 8 Align pipe plugs 6H to proper location per print ...

Page 31: ...eak 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: ...IC PIPE PLUG 3A 1 CARRIER 3B 16 THRUST WASHER 3C 184 NEEDLE BEARING 3D 4 THRUST SPACER 3E 4 PLANET SHAFT 3F 4 PLANET GEAR 3G 4 SPRING PIN 3H 4 ROLL PIN 3J 1 THRUST WASHER 4 1 RING GEAR 5 2 O RING 6A 1 COVER PLATE 6B 1 COVER CAP 6C 2 METRIC BOLT 6D 1 DISENGAGE CAP 6E 1 DISENGAGE ROD 6F 1 O RING 6G 1 O RING 6H 3 MAGNETIC PIPE PLUG 6J 1 THRUST WASHER 6K 1 O RING 6L 2 METRIC BOLT 7 1 SUN GEAR 8 1 OUTP...

Page 34: ... 3 ROLL PIN 8F 3 PLANET GEAR 9 1 INPUT SHAFT 9A 1 SHAFT COUPLING 12 1 SUN GEAR 15 4 DOWEL PIN 18 1 ID PLATE 19 2 DRIVE SCREW 20A 1 COUPLING 20B 1 SPRING 20C 1 INTERNAL RETAINING RING 20D 1 INTERNAL RETAINING RING 22 1 RETAINING RING 27 20 HEX BOLTS ...

Page 35: ...35 Planetary Final Drive Repair Instructions Assembly Tools T160970 SEAL ASSEMBLY PRESSING TOOL ...

Page 36: ...36 T160969 ASSEMBLY PRESSING TOOL ...

Page 37: ...37 T156799 SEAL ASSEMBLY TOOL ...

Page 38: ...38 T198122 CONCENTRICITY FIXTURE ...

Page 39: ...39 T156792 BEARING CUP PRESSING TOOL ...

Page 40: ...40 T155655 BEARING CUP ASSEMBLY TOOL ...

Page 41: ...41 T144431 BEARING CONE ASSEMBLY SLEEVE ...

Page 42: ...42 T130717 BEARING PRESSING TOOL ...

Page 43: ...43 T205708 LEAK TEST ADAPTOR PLATE ...

Page 44: ...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 45: ...45 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 46: ...46 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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