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Torque-Hub

®

 Planetary Final Drive 

S16A1 & 2 Series Service

 

Manual 

 

 

 

 
 

 

 

 
 
 
 
 
 
 

Rev 9/3/13 

Summary of Contents for S12 Series

Page 1: ...1 Torque Hub Planetary Final Drive S16A1 2 Series Service Manual Rev 9 3 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: ...in Disassembly 11 Cover Disassembly 14 Output Carrier Disassembly 16 Input Carrier Disassembly 17 Housing Spindle Disassembly 20 Assembly Instructions Cover Subassembly 24 Input Carrier Subassembly 26 Output Carrier Subassembly 30 Housing Spindle Subassembly 32 Main Assembly 33 Assembly Drawing 36 Parts List 37 Assembly Tools 39 General Information Contact Information 55 ...

Page 4: ...n 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 shoul...

Page 5: ...om table below or something equivalent to apply constant rotational force to the input of the gearbox 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 lon...

Page 6: ...mblies 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 and whe...

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: ...ended 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 Lubricate Number ISO Index AGMA Lubricate 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 V...

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 Planetary Final Drive Service Manual Main Disassembly NOTE Figure 1 refers to SAE C motor mount NOTE Figure 2 refers to SAE D motor mount Continued on Next Page ...

Page 12: ...condition and volume of the oil 3 Remove four of Shoulder Bolts 18 followed by sixteen of Hexagonal Bolts 15 from Cover Subassembly 4 Lift the Cover Subassembly off of the unit NOTE For 29 and 40 to 1 ratios only 5 Remove Sun Gear 27 from Input Carrier Subassembly 6 Remove Input Carrier Subassembly off of the unit NOTE Figure 1 refers to 29 and 40 1 Ratios Continued on Next Page ...

Page 13: ...er Subassembly 8 Remove the Sun Gear 4 from Output Carrier Subassembly 9 Lift out the Ring Gear 2 from Housing Spindle Subassembly 10 Remove Output Carrier Subassembly from the unit from the Housing Spindle Subassembly 11 Remove O Ring 5 from groove of the Housing Spindle Subassembly This concludes the Main Disassembly ...

Page 14: ...14 Planetary Final Drive Service Manual Cover Disassembly NOTE Figure 1 refers to SAE C motor mount NOTE Figure 2 refers to SAE D motor mount Continued on Next Page ...

Page 15: ...Thrust Bearing 9 from Cover 17 3 Remove Thrust Washer 8 from the Cover 17 4 Remove Thrust Washer 19 from counter bore in Cover 17 NOTE For SAE C cover skip steps 5 and 6 5 Remove Adaptor Mount 29 from Cover 17 6 Remove O Ring 28 from pilot on Adaptor Mount 29 and discard it This concludes the Cover Disassembly ...

Page 16: ...bassembly from the window of the Carrier 6A 5 Remove Thrust Washer 6B from counter bore in Carrier 6A 6 Remove both Bearing Cones 6D from bore of Planet Gear 6F 7 Remove both Bearing Cups 6C from bore of Planet Gear 6F with a punch 8 Remove Thrust Spacer 6U from the bore of Planet Gear 6F CAUTION Safety glasses must be worn during these next steps 9 Remove Internal Retaining Ring 6T from groove in...

Page 17: ...Remove Thrust Washer 3B from window of Carrier 3A NOTE Bearing 3C is a matched assembly and must be kept as a set 6 Remove both Bearing Cones 3C from bore of Planet Gear 3F NOTE Do not remove the bearing cups or retaining ring unless replacing the bearing The bearing cones must be driven out with a punch the retaining ring spacer must be cut out 7 Remove Retaining Ring 3C from internal groove of P...

Page 18: ...bly from the window of the Carrier 3A 5 Remove Thrust Washer 3B from window of Carrier 3A NOTE Bearing 3C is a matched assembly and must be kept as a set 6 Remove both Bearing Cones 3C from bore of Planet Gear 3F NOTE Do not remove the bearing cups or retaining ring unless replacing the bearing The bearing cones must be driven out with a punch the retaining ring spacer must be cut out 7 Remove Ret...

Page 19: ...steps 9 Remove Retaining Ring 11 from Coupling 12 Slide coupling from Sun Gear 3J 10 Remove Retaining Ring 25 from Coupling 12 11 Remove Sun Gear 3J from Carrier 3A through one of the planet carrier windows This concludes the Input Carrier Disassembly 20 TO 1 ...

Page 20: ...20 Planetary Final Drive Service Manual Housing Spindle Disassembly 1 Set the unit on bench such that Housing 1G small diameter end is facing down Continued on Next Page ...

Page 21: ... the Housing 1G down 7 Use a dead blow hammer on the Housing 1G flange to drive the inboard Bearing Cone 1D off of the Spindle 1A 8 Lift the Spindle 1A out of the Housing 1G 9 Remove Lip Seal 1B from the Housing 1G 10 Using a hammer and punch drive the inboard Bearing Cup 1C out of Housing 1G Be careful not to damage counter bore in the Housing 1G 11 Turn the Housing 1G over and drive the outboard...

Page 22: ...22 THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 23: ...23 ASSEMBLY ...

Page 24: ...24 Planetary Final Drive Service Manual Cover Subassembly NOTE Figure 1 refers to SAE C motor mount cover NOTE Figure 2 refers to SAE D motor mount cover Continued on Next Page ...

Page 25: ...nd install Bearing 9 on top of Thrust Washer 10 5 Grease and install Thrust Washer 10 on top of Bearing 9 6 Grease and install Thrust Washer 19 onto Cover 17 The grease should hold washer in place for assembly 7 Grease and install Thrust Washer 8 onto Cover 17 NOTE For SAE D motor mount cover 8 Grease and install O Ring 28 onto Cover 17 9 Install Adaptor Mount 29 onto the Cover 17 This concludes t...

Page 26: ...7846 and Install both the Bearing Cups 3C with wide face outside into bore of the Planet Gear 3F Ensure that the Bearing Cups 3C has seated fully against the Retaining Ring 3C 3 Install Bearing Cone 3C into Bearing Cup 3C then install the cone spacer Install the second Bearing Cone in to the opposite of the Planet Gear 3F 4 Apply grease and install Thrust Washer 3B into the counter bore in Carrier...

Page 27: ...3E 8 Install Lock Pin 3D into lock pin slot in Carrier 3A and Planet Shaft 3E 9 Install Tanged Lock Washer 3H onto Planet Shaft 3E 10 Clean Planet Shaft 3E and Bearing Nut 3G threads using ethanol Apply Loctite 263 to the Bearing Nut 3G and planet shaft threads Using tool T 223131 tighten Bearing Nut 3G to 125 ft lbs 11 Bend tang of Tanged Lock Washer 3H into Bearing Nut 3G slot 12 Repeat steps 2 ...

Page 28: ...C into the groove of Planet Gear 3F 3 Use tool T147846 and Install both the Bearing Cups 3C with wide face outside into bore of the Planet Gear 3F Ensure that the Bearing Cups 3C has seated fully against the Retaining Ring 3C 4 Install Bearing Cone 3C into Bearing Cup 3C then install the cone spacer Install the second Bearing Cone in to the opposite of the Planet Gear 3F 5 Apply grease and install...

Page 29: ...anet Shaft 3E 10 Install Tanged Lock Washer 3H onto Planet Shaft 3E 11 Clean Planet Shaft 3E and Bearing Nut 3G threads using ethanol Apply Loctite 263 to the Bearing Nut 3G and planet shaft threads Using tool T 223131 tighten Bearing Nut 3G to 125 ft lbs 12 Bend tang of Tanged Lock Washer 3H into Bearing Nut 3G slot 13 Repeat steps 2 through 12 for the remaining Planet Gears 3F 14 Install Retaini...

Page 30: ...Bearing Cup 6C against Spacer 6U using tool T158150 4 Press second Bearing Cup 6C against Retaining Ring 6T using tool T158150 5 Place Bearing Cones 6D into Bearing Cups 6C 6 Grease Thrust Washer 6B into counter bore of Carrier 6A 7 Place Planet Gear 6F assembly into Carrier 6A 8 Push Planet Shaft 6E through Carrier 6A and Planet Gear 6F assembly 9 Place Lock Pin 6Q into slot in Carrier 6A and Pla...

Page 31: ... 6E to make sure Bearings 6D are properly seated Measure Rolling torque of Planet Gear 6F using Fish Scale Using tool T 119240 tighten Bearing Nut 6P until a torque of 1 5 2 lbs is attained when rolling the Planet Gear 6F 13 Bend Tang of Lock Washer 6N into slot of Bearing Nut 6P 14 Repeat Steps 1 through 13 for remaining Planet Gears 6F This concludes the Output Carrier Subassembly ...

Page 32: ... onto Output Shaft 1A 6 Press Bearing Cone 1D onto Output Shaft 1A using pressing tool T158049 Rotate Housing 1G while pressing the Cone 1D Stop pressing when Cone 1D is snug against the Cup 1C CAUTION Safety glasses must be worn during these next steps 7 Place Thrust Washer 1H on top of Bearing Cone 1D Install Retaining Ring 1I onto Output Shaft 1A using retaining ring pliers Make sure Retaining ...

Page 33: ...33 Planetary Final Drive Service Manual Main Assembly NOTE Figure 1 refers to 20 1 Ratio NOTE Figure 2 refers to 29 and 40 1 Ratio Continued on Next Page ...

Page 34: ...e hole marked X with a counter bore in Housing 1G 4 Place Sun Gear 4 into mesh with Planet Gear 6F 5 Install Thrust Washer 10 Thrust Bearing 9 and second Thrust Washer 10 onto hub of Input Carrier 3A Use grease to hold them in place 6 Lower Input Carrier Subassembly onto splines of Sun Gear 4 and into mesh with Ring Gear 2 NOTE For 29 and 40 1 ratios only 7 Install Sun Gear 27 onto Input Carrier S...

Page 35: ...ck Washers 14 in these bolts by hand then torque to 35 45 ft lbs 10 Install sixteen Hexagonal Head Bolts 15 with Lock Washers 14 into Housing 1G Torque Bolts to 100 110 ft lbs 11 Install Pipe Plugs 20 onto Cover using thread sealant 12 Roll check unit for one output revolution in each direction 13 Air check unit for leaks This concludes the Main assembly ...

Page 36: ...36 Planetary Final Drive Service Manual Assembly Drawing ...

Page 37: ...RING GEAR 3A 1 CARRIER 3B 3 THRUST WASHER 3C 3 TAPERED BEARING ASSY 3D 3 LOCK PIN 3E 3 PLANET SHAFT 3F 3 PLANET GEAR 3G 3 BEARING NUT 3H 3 LOCK TANGED WASHER 3J 1 SUN GEAR 4 1 SUN GEAR 5 2 O RING 6A 1 CARRIER 6B 4 THRUST WASHER 6C 8 TAPERED BEARING 6D 8 TAPERED BEARING 6E 8 PLANET SHAFT 6F 4 PLANET GEAR 6N 4 LOCK TANGED WASHER 6P 4 BEARING NUT 6Q 4 LOCK PIN 6T 4 INTERNAL RETAINING RING 6U 4 THRUST...

Page 38: ...Qty Description 12 1 COUPLING 14 20 LOCK WASHER 15 16 HEXAGONAL BOLT 17 1 INPUT COVER 18 4 SHOULDER BOLT 19 1 THRUST WASHER 20 2 4 PIPE PLUG 22 4 FLAT WASHER 25 1 EXTERNAL RETAINING RING 27 1 SUN GEAR 28 1 O RING ...

Page 39: ...39 Planetary Final Drive Repair Instructions Assembly Tools T158150 LOADING PLUG AND BASE FOR ASSEMBLY ...

Page 40: ...40 T158149 LOADING PLUG AND BASE ...

Page 41: ...41 T160764 BEARING CUP ASSEMBLY PRESSING TOOL ...

Page 42: ...42 T223131 LOCKNUT WRENCH ...

Page 43: ...43 T119240 LOCKNUT WRENCH ...

Page 44: ...44 T154563 ASSEMBLY PRESSING TOOL ...

Page 45: ...45 T139345 ASSEMBLY PRESSING TOOL ...

Page 46: ...46 T137786 TOOL TO PRESS IN SEAL ...

Page 47: ...47 T158049 BEARING CONE PRESSING TOOL ...

Page 48: ...48 T136184 TOOL TO PRESS BEARING ON SHAFT ...

Page 49: ...49 T159173 PRESSING TOOL TO INSTALL BEARING CONE ...

Page 50: ...50 T173814 LEAK TEST FIXTURE ...

Page 51: ...51 T220225 LEAK TEST TOOL ...

Page 52: ...52 T224477 ROLL TEST TOOL ...

Page 53: ...53 T223989 ROLL TEST TOOL ...

Page 54: ...54 T158149 LOADING PLUG AND BASE FOR ASSEMBLY ...

Page 55: ...ility 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 today Mailing Address Fairfield Manufacturing Co Inc U S 52 South P O Box 794...

Page 56: ...56 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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