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25 

 

Planetary Final Drive Service Manual 

Cover Subassembly

 

 
 

 

 

 

1. 

Place Cover (46) with bore side up on the table. 

 

2. 

 

Grease and install Thrust Washer (38) onto the Cover (46).The grease should hold the 

washer in place for assembly. 

 

3. 

Grease and install Thrust Washer (30) onto the Cover (46) on top of Thrust Washer (38). 

 

4. 

Grease and install Bearing (39) on top of Thrust Washer (30). 

 

5. 

Grease and install Thrust Washer (31) on top of Bearing (39). 

 

6. 

Grease and install Thrust Washer (37) onto the Cover (46).The grease should hold the 
washer in place for assembly. 

 

7. 

Grease and install O-Ring (36) into the o-ring groove in cover (46). Insure that the O-Ring is 
fully seated against the inner diameter. 

 

 

This concludes the Cover Subassembly. 

Содержание Spicer Torque-Hub S350 Series

Страница 1: ...1 Torque Hub Planetary Final Drive S350 Series Service Manual Rev 04 11 13 ...

Страница 2: ...ocument Fairfield Manufacturing Co Inc 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 ...

Страница 3: ...Carrier Disassembly 19 2st Stage Intermediate Carrier Disassembly 20 Input Carrier Disassembly 22 Output Pinion Disassembly 23 Assembly Instructions Cover Subassembly 25 Output Carrier Subassembly 26 1st Stage Intermediate Carrier Subassembly 28 2st Stage Intermediate Carrier Subassembly 30 Input Carrier Subassembly 32 Output Pinion Subassembly 34 Main Assembly 37 Assembly Drawing 43 Parts List 44...

Страница 4: ...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 gloves shou...

Страница 5: ...should 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 r...

Страница 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...

Страница 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 ...

Страница 8: ...ed viscosities for various ambient operating temperatures These recommendations are based on temperature rise of 50 to 100 F at normal operating conditions 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 VG150 VG220 4EP 5EP 105 to ...

Страница 9: ...180 F for continuous operation and no higher than 200 F for intermittent operation For special applications high horsepower high speeds or wide temperature changes please consult 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...

Страница 10: ...10 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 11: ...11 DISASSEMBLY ...

Страница 12: ...volume of the oil 3 Remove twenty Hex Bolts 35 from the Input Cover 5 4 Lift the Cover Subassembly off of the unit 5 Remove the O Ring 36 out of the Unit and Discard it 6 Remove the Input Sun Gear 42 out of the Input Carrier Subassembly 7 Lift the Input Carrier Subassembly off of the unit 8 Remove the Ring Gear 45 out of the Unit 9 Remove the Thrust Washer 43 from the Intermediate Sun Gear 6 10 Re...

Страница 13: ...ff of the Unit 14 Remove two Thrust Washers 9 from the Cover 5 15 Remove the O Ring 8 from the groove of the Ring Gear 18 and discard the O Ring 16 Lift the Intermediate Carrier Subassembly out of the Unit 17 Remove the Ring Gear 18 out of the Unit 18 Remove the O Ring 25 from the groove of the Ring Gear 18 and discard the O Ring Continued on Next Page ...

Страница 14: ...move the Spacer 60 from the Output Sun Gear 23 23 Remove the Output Sun Gear 23 from the Unit 24 Remove twenty Hex Bolts 52 with Washer 53 from the Spacer Housing 29 25 Lift the Spacer Housing 29 Subassembly off of the Unit 26 Remove the O Ring 79 out of the Spacer Housing 29 and Discard the O Ring 27 Remove five Spacers 1 from the Spacer Housing 29 by removing Screws 51 from the Spacer Housing 29...

Страница 15: ...assembly 32 Turn over the Unit and remove the Output Pinion Subassembly out of the Housing 32 by removing Hexagonal Bolts 48 with Flat Washers 49 33 Remove twelve Socket Head Bolts 59 from the Seal Carrier 19 and remove theSeal Carrier 19 out of the Housing 32 NOTE Generally Seals should not be reused 34 Remove both Seals 57 from the Seal Carrier 19 35 Remove the O Ring 20 from the groove of the S...

Страница 16: ...16 THIS PAGE INTENTIONALLY LEFT BLANK ...

Страница 17: ... Cover 46 and discard O Ring 2 Remove Thrust Washers 31 from the Cover 46 3 Remove Thrust Bearing 39 from the Cover 46 4 Remove Thrust Washers 30 from the Cover 46 5 Remove Thrust Washers 38 from the Cover 46 6 Remove Thrust Washers 37 from pocket in the Cover 46 This concludes the Cover Disassembly ...

Страница 18: ... shaft bore with punch through small hole at spline end of Carrier 17A 4 Slide Planet gear subassembly out of the Carrier 17A window 5 Remove both the Bearings 17C out of Planet Gear 17B 6 Repeat steps 3 to 5 for remaining three Planet Gears 17B disassembly 7 Remove Thrust Plate 17G out of Carrier 17A by removing four Bolts 17J from the Carrier 17A 8 Remove the O Ring 17H from the external groove ...

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

Страница 20: ...4I from the Bearing Nut 4H and remove the Bearing Nut 4H from the Planet Shaft 4K 5 Remove Planet Shaft 4K from the Carrier 4A 6 Remove Lock Tanged Washer 4I from the Carrier 4A and discard it 7 Remove Lock Pin 4J from slot of Carrier 4A 8 Slide out the Planet Gear Subassembly from the window of the Carrier 4A 9 Remove Thrust Washer 4G from the window of the Carrier 4A 10 Remove both Bearing Cone ...

Страница 21: ...e worn during these next steps 13 Remove Retaining Ring 4E from internal groove of the Planet Gear 4B 14 Repeat the steps 4 through 13 for the remaining two Planet Gears 4B This concludes the 2nd Stage Intermediate Carrier Disassembly ...

Страница 22: ...ow of the Carrier 3A 6 Remove Thrust Washer 3B from the window of the Carrier 3A NOTE Bearing 3C is a matched assembly and must be kept as a set unless they are to be replaced 7 Remove both Bearing Cone 3C from the bore of Planet Gear 3F NOTE Skip steps 8 and 9 unless the bearing is to be replaced 8 Remove both Bearing Cup 3C from the bore of Planet Gear 3F CAUTION Safety glasses must be worn duri...

Страница 23: ...the Pinion 4 Use Bearing Puller and pull Bearing Carrier 33 with Bearing 56 and Seal 54 off the splined end of Pinion 5 Remove Bolts 48 and Washers 49 from Bearing Carrier 33 and lift off Seal Carrier 34 6 Press and remove the Spherical Roller Bearing 56 from the Bearing Carrier 33 NOTE Generally Seals should not be reused 7 Remove the Lip Seal 54 from the Seal Carrier 34 This concludes the Output...

Страница 24: ...24 ASSEMBLY ...

Страница 25: ...her 30 onto the Cover 46 on top of Thrust Washer 38 4 Grease and install Bearing 39 on top of Thrust Washer 30 5 Grease and install Thrust Washer 31 on top of Bearing 39 6 Grease and install Thrust Washer 37 onto the Cover 46 The grease should hold the washer in place for assembly 7 Grease and install O Ring 36 into the o ring groove in cover 46 Insure that the O Ring is fully seated against the i...

Страница 26: ...arings 17C into the bore of the Planet Gear 17B using press tool T 216332 Insure that the Bearings 17C has seated fully against the bearing shoulder 6 Slide Planet Gear 17B with part number facing up into the window of the Carrier 17A Align the bores of Planet Gear with the planet shaft bore in Carrier 17A 7 Inspect the Planet Shaft 17K for nicks and burs Insure that the Planet Shaft hole and Plan...

Страница 27: ...sure they roll freely 10 Install Adapter 17D with flange side down onto the Carrier 17A 11 Apply Loctite 243 and install Hex Bolts 17E into Carrier 17A through Adapter 17D Torque bolts to 80ft lbs This concludes the Output Carrier Subassembly ...

Страница 28: ...r into the deepest bore side from the retaining groove of the Planet Gear 2B 3 Install Spacer 2E into the bore of the Planet Gear 2B onto Retaining Ring 2G 4 Using Tool T 158152 Install both the Bearing Cups 2D with wide face outside into bore of the Planet Gear 2B Insure that the Bearing Cups 2D has seated fully against the Retaining Ring 2G 5 Install Bearing Cone 2C into Bearing Cup 2D on both s...

Страница 29: ...the Carrier 2A hole and through Planet Gear 2B bearing inner race by aligning the lock pin slot in both Carrier 2A and Planet Shaft 2K 10 Install Dowel Pin 2J into lock pin slot in Carrier 2A and Planet Shaft 2K 11 Install tanged Lock Washer 2I onto Planet Shaft 2K 12 Apply loctite 263 and install Bearing Nut 2H onto Planet Shaft 2K by using tool T 149933 Tighten Bearing Nut 2H and measure rolling...

Страница 30: ...F into the deepest bore side from the retaining groove of the Planet Gear 2B 3 Install Spacer 4F into the bore of the Planet Gear 4B onto Retaining Ring 4E 4 Use tool T 214147 and install both the Bearing Cups 4D with wide face outside into bore of the Planet Gear 4B Insure that the Bearing Cups 4D has seated fully against the Retaining Ring 4E 5 Install Bearing Cone 4C into Bearing Cup 4D on both...

Страница 31: ...ring Nut 4H and measure rolling torque of Planet Gear 4K using a fish scale Torque Bearing Nut 4H until 1 5 2 lbs of drag is achieved when rolling Planet Gear 4B 13 Bend tang into Bearing Nut 4H slot 14 Repeat steps for the remaining Planet Gears 4B 15 Place Internal Coupling 1H with small internal side down onto the table 16 Install Thrust Spacer 1L with flange side up into the bore of Internal C...

Страница 32: ...e groove of Planet Gear 3F 3 Use tool T 158149 and Install both the Bearing Cups 3C with wide face outside into bore of the Planet Gear 3F Insure that the Bearing Cups 3C has seated fully against the Retaining Ring 3C 4 Install Bearing Cone 3C into Bearing Cup 3C on both sides of the Planet Gear 3F 5 Apply grease and install Thrust Washer 3B on Planet Shaft bore top side in Carrier 3A planet gear ...

Страница 33: ...he large diameter in the Carrier 3A hole and through Planet Gear 3F bearing inner race by aligning the lock pin slot in both Carrier 3A and Planet Shaft 3E 9 Install Dowel Pin 3D into lock pin slot in Carrier 3A and Planet Shaft 3E 10 Install tanged Lock Washer 3H onto Planet Shaft 3E 11 Apply loctite 263 and install Bearing Nut 3G onto Planet Shaft 3E by using tool T 223131 Tighten Bearing Nut 3G...

Страница 34: ...to touch the O D of the Lip Seal 57 after it is clean and dry 4 Install the Lip Seal 57 into the Seal Carrier 19 Insure the seal is fully seated into the Seal Carrier 19 5 Install the second Lip Seal 57 into the Seal Carrier 19 Insure the seal is fully seated into the Seal Carrier 19 6 Pack the valley between Lip Seals 57 using grease 7 Grease and install O Ring 20 into Seal Carrier 19 8 Install S...

Страница 35: ...Bearing 56 from oven and install Bearing 56 into the Pinion Insure that the Bearing 56 is fully seated against the Pinion bearing shoulder 20 Remove Bearing Carrier 33 from oven Install Bearing Carrier 33 onto the Bearing 56 after the bearing has cooled sufficiently with flange side down Insure the Bearing Carrier 33 has seated completely Allow system to cool 21 Install Spacer 41 onto Bearing 56 2...

Страница 36: ... in Pinion assembly has fully seated onto Housing 32 29 Apply Loctite 243 and install Hex Bolts 48 through Washer 49 into Housing 32 through the Bearing Carrier 33 Torque Bolts to 78 92 ft lbs This concludes the Output Pinion Subassembly ...

Страница 37: ...ponent internal surfaces with RP oil Install five Spacer 1 into the spacer slots in Housing 32 4 Apply Loctite 243 and install Flat Head Hex Bolts 51 into the Housing 32 through Spacer 1 Torque to 270 280 in lbs 5 Using thread sealant install Grease Fittings 76 onto Housing 32 Torque to 20 ft lbs 6 Lower Output Carrier Subassembly into Housing 32 bore with internal splines side down Insure not to ...

Страница 38: ...eated against the Housing 32 9 Spray the internal components with RP oil 10 Place Spacer Housing 29 with flange side up onto the table 11 Install Spacer 1 into the spacer slots in Spacer Housing 29 12 Apply Loctite 243 and install Flat Head Hex Bolts 51 into the Spacer Housing 29 through Spacer 1 Torque to 270 280 in lbs 13 Spray the Spacer Housing 29 bushing bore in Spacer Housing 29 with alcohol...

Страница 39: ...bs 17 Install O Ring Plugs 85 into pipe plug holes in Spacer Housing 29 Torque Pliugs to 170 192 ft lbs NOTE Use O Ring 25 to leak test in the step below for leak test adapter plate 18 Install leak test adapter plate tool T 222390 onto the Spacer Housing 29 19 Perform air leak test and record the results in QDR 20 Remove test adapter plate T 222390 21 Apply loctite 243 and install rest of Hex Bolt...

Страница 40: ...nd install O Ring 25 onto the Ring Gear 18 o ring groove 26 Lower Ring Gear 18 onto the Spacer Housing 29 Align the Ring Gear 18 teeth with the planet gear teeth of the Intermediate Carrier Subassembly 4 Insure that the reamed shoulder bolt holes in Ring Gear 18 are aligned with the appropriate tapped holes in Spacer Housing 29 Insure that the Ring Gear 18 is seated against the Spacer Housing 29 C...

Страница 41: ...ated against the inner diameter 33 Grease and install two Thrust Washers 9 into the Cover 5 The grease should hold the Washers 9 in place for assembly 34 Install the Cover 5 onto the Ring Gear 18 Align the bolt holes in the Cover 5 with the holes in the Ring Gear 18 35 Install cover Bolts 11 through lock Washer 13 through Cover 5 bolt holes 36 Torque Bolts 11 using calibrated torque gun in star pa...

Страница 42: ...gainst the Cover 5 42 Install Sun Gear 42 into the mesh with gear side down Insure the Sun Gear 42 engages into the mesh with input planet gears NOTE Insure the Input Sun Gear 42 aligns with the bore of Thrust Washer 43 43 Install the Input Cover Subassembly onto the Ring Gear 45 Align the bolt holes in the Cover 46 with the holes in the Ring Gear 45 44 Apply loclite 243 and Install Hex Bolts 35 o...

Страница 43: ...43 Planetary Final Drive Service Manual Assembly Drawing ...

Страница 44: ... 40 1 RETAINER PLATE 41 1 SPACER 17D 1 THRUST HUB 29 1 SPACER HOUSING 32 1 MAIN HOUSING 17A 1 CARRIER 3A 1 CARRIER 2A 1 CARRIER 4A 1 CARRIER 3F 3 PLANET GEAR 42 1 SUN GEAR 19 1 SEAL CARRIER 45 1 RING GEAR 2B 3 PLANET GEAR 6 1 SUN GEAR 7 1 SUN GEAR 18 1 RING GEAR 3B43 4 THRUST WASHER 38 1 THRUST WASHER 2J3D 9 LOCK PIN 3E 3 PLANET SHAFT 3C 3 TAPPERED BEARING 9 2 THRUST WASHER 5 1 INPUT COVER 25 1 O ...

Страница 45: ...OLLER BEARING 21 1 STEEL BUSHING 56 1 ROLLER BEARING 22 1 STEEL BUSHING 60 1 SPACER 15 1 ID PLATE 54 1 LIP SEAL 57 2 LIP SEAL 26 1 RETAINIGN RING 4E 3 RETAINIGN RING 2G 3 RETAINIGN RING 17H 1 O RING 55 20 DOWEL PIN 35 20 HEX BOLT 52 20 HEX BOLT 17E 12 HEX BOLT 11 16 HEX BOLT 12 4 SHDR BOLT 16 2 SCREW 47 14 SOCKET HEAD BOLT 17J 4 SOCKET HEAD BOLT 59 12 SOCKET HEAD BOLT 28 6 SOCKET HEAD BOLT 48 32 H...

Страница 46: ...5 2 PIPE PLUG 4B 3 PLANET GEAR 1H 1 COUPLING 13 20 LOCK WASHER 3H 3 TANGED LOCK WASHER 2I4I 6 TANGED LOCK WASHER 49 32 FLAT WASHER 31 1 THRUST WASHER 3G 3 BEARING NUT 2H4H 6 BEARING NUT 76 2 GREASE FITTING ...

Страница 47: ...47 Planetary Final Drive Repair Instructions Assembly Tools T149933 LOCKNUT WRENCH ...

Страница 48: ...48 T158149 BEARING CUP PRESS TOOL ...

Страница 49: ...49 T170237 LEAK TEST ADAPTOR ...

Страница 50: ...50 T214147 ASSEMBLY PRESSING TOOL ...

Страница 51: ...51 T216332 ASSEMBLY PRESSING TOOL ...

Страница 52: ...52 T222390 LEAK TEST ADAPTER PLATE ...

Страница 53: ...53 T223131 LOCKNUT WRENCH ...

Страница 54: ...54 T223989 ROLL CHECKING TOOL ...

Страница 55: ...udes 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 Dana Incorporated Off Highway Drive and Motion Technologies 240...

Страница 56: ...56 Dana Incorporated Off Highway Drive and Motion Technologies 2400 Sagamore Parkway South P O Box 7940 Lafayette IN 47903 USA 765 772 4000 www grazianofairfield com ...

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