Torque-Hub Planetary Final Drive CT26C Service Manual
Contents
1. 61 T187845 ROLL CHECK TOOL 117 BARGER COLMAN CENTER ASS PR 7 idm nan 1277 74 62 ROLL CHECK TOOL 63 T188492 T198122 ROLL CHECK TOOL EXTERNAL INVOLUTE SPLINE DATA PLR ANS 92 11979 APPROVED HAYWARD 04 27 97 SOF 155 MAX ACT CIRC TOOTH TKS JREF USE T 72176 1 72176 2 500 HOB 12 00 2400 30 T 89132 DRIVING DOG T 151I l DRIVING HEAD 1 61227 HEADSTOCK CENTER 250 20 TAP THRU ATE AS SHOWN 02375 BC 281 THRU FOLE 14 HOLES SPACED LOCATED AS SHOWN ON A 92375 B C 1 125 B HEX HEAD ACROSS FLATS 4 500 102 ONE CARB GRD FAIRFIELD INDIAMA 0 BRAKE ASSEMBLY FIXTURE 811 COMMS CUTE MO 82281 CCEA AWK 2008 2805 FISCI Ait Du 48 RAS 68 RE 06 0257 REDESIGNED HEAD te REDRAWN ommodo 64 ROLL CHECK TOOL T216738 EXTERNAL I2. SE Ave E 487 RADA FA sOI ALE EFO Jem B cnr a DIMENSIONS STAMP PART STAMP WO CHANGED TAPPEDHOLELOCATION 1120 70 Mailing Address Shipping Address Fax E mail Website Planetary Final Drive Repair Instructions With over 80 years of experience Fairfield Manufacturing has become the largest U S non captive producer of gears custom gear assemblies planetary final drives and related gear products Fairfield Manufacturing headquartered in Lafayette Indiana is distinguished by our extensive design manufacturing and applications engineering capabilities Our 500 000 square foot plant is a modern fully equipped manufacturing 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 today Fairfield Manufacturing Co Inc U S 52 South P O Box 7940 Lafayette IN 47903 7940 2309 Concord Road Lafayette IN 47909 Main 765 772 4001 Applications Engineering 765 772 4011 Sales and Service 765 772 4010 Applications Engineering apps fairfieldmfg com Sales sales f
3. 2 Foroperation in this ambient temperature range synthetic oil is recommended for proper lubricant life at elevated temperatures Continued on Next Page 12 Maintenance Oil Fill Level Oil amounts for each series of Torque Hub drives are indicated in the appropriate series literature An initial oil change should be made after the first 50 hours of operation Subsequent oil changes should be made at 1 000 hour intervals or annually whichever comes first Oil temperatures should be not higher than 160 to 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 Oerlikon Fairfield 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 Vertically mounted Torque Hub units may require special lubrication procedures Please contact Oerlikon Fairfield for vertically mounted applications 13 Planetary Final Drive Service Manual Seal Installation The seal installation tool can be purchased from MORCOR LTD at Salesp MORCORLTD com part number MGT045 To begin the procedure all of the sealing components Seal Rings metal rings O Rings and the housings must be clean and free of Oil Grease Dirt or Dust Always check to make sure that there are no nicks or
4. This concludes the Input Disconnect Coupling Disassembly 23 Planetary Final Drive Service Manual Input Brake Disassembly HUB SPINDLE SUBASSEMBLY LOBED BRAKE DISASSEMBLY HUB SPINDLE SUBASSEMBLY SPLINED BRAKE DISASSEMBLY Continued on Next Page 24 Place the Hub Spindle assembly with the large opening facing upward Insert and tighten the M5 x 20 Socket Head Cap Screws 18B into the Brake Piston 18K to compress the springs and relieve pressure on the Retaining Ring 18E CAUTION Safety glasses must be worn during this next step NOTE Insure Step 2 is completed before doing this next step Using retaining ring pliers remove Retaining Ring 18E which holds the Brake Piston Subassembly 18 in place Lift Brake Piston Assembly 18 out of the Spindle 1A If the Brake Piston Subassembly 18 will not lift out use a dead blow hammer to lightly tap the Brake Piston 18K out of the Spindle 1A Remove Input Coupling Subassembly when the Brake Piston Subassembly 18 is removed Remove the Inner Rotor 18D Outer Stator Plates 18C End Plate 18J only for Splined Brake from inside the Spindle 14 Remove O Rings 18F 18G and Backup Rings 18H 181 from the Spindle 1A Discard O Rings and Backup Rings NOTE As an alternative to Step 4 the spindle port may be pressurized with air to push the brake piston out of the spindle Remove M5 x 20 Socket Head Cap Screws 18B and lift the Thrust Plat
5. Continued on Next Page 38 10 11 12 13 Using ample grease to hold them in position slide two Thrust Washers 10B onto Planet Shaft 10D Place Planet Gear 8D into position and push Planet Shaft 10D through planet gear without going all the way through carrier Using ample grease to hold them in position slide two Thrust Washers 10B between Planet Gear 8D and Carrier 8A Finish pushing Planet Shaft 10D into Carrier until roll pin holes of planet shaft and carrier are aligned If necessary align roll pin holes using a 1 8 inch diameter punch Drive the Roll Pin 10E into the roll pin hole in carrier and into the Planet Shaft 10D until other end of the roll pin is flush with the outside of Carrier 8A Repeat steps 6 through 12 for the remaining two Planet Gears 8D This concludes the Intermediate Carrier Subassembly 39 Planetary Final Drive Service Manual Housing Spindle Subassembly Using alcohol and a clean rag wipe off bearing locations on the Housing 1G and the Spindle 1A Press one Bearing Cup 1E1F 1C using Tool T187055 into bearing counter bore of cover end of Housing 1G making sure that it is fully seated against shoulder in the housing Turn Housing 1G over and press one Bearing Cup 1E1F 1C using Tool T187055 into bearing counter bore of spindle end of housing until seated against shoulder in housing Install two Pipe Plugs 17 in Housing 1G Using alcoho
6. off of the spindle posts Be careful to not damage the Thrust Spacer 2 Remove Thrust Spacer 2 from Housing Spindle Subassembly NOTE Skip steps 12 13 and 14 if unit does not have Adaptor Mounting 24 Remove Adaptor Mount 24 from Housing Spindle Subassembly by uninstalling Bolts 26 Remove Thrust Washer 30 from Adaptor Mount 24 Remove the O Ring 25 from groove in Adaptor Mount 24 and discard O Ring Remove the Brake Subassembly out of Spindle Subassembly Refer page 24 for Input Brake Disassembly Remove the Input Coupling Subassembly 21A out of Spindle Subassembly This concludes the Main Disassembly 19 Planetary Final Drive Service Manual Output Planet Gear Disassembly GD ROLLER BEARING ASSEMBLY CAUTION Safety glasses must be worn during this next steps 1 Place the Planet Gear Sub Assembly on bench 2 Remove the upper Retaining Ring 3D from groove of the Planet Gear NOTE In Step below slide rubber band around the rollers in bearing as it is removed This rubber band prevents the rollers from falling off the Roller Bearing 3 Remove the Roller Bearing assembly carefully 4 Remove the lower Retaining Ring 3D from groove of the Planet Gear 3A NOTE The Roller Bearings 3B are pressed onto the Spindle 1A and locked into the Planet Gears 3A If the Planet Gears are damaged or the Roller Bearings are damaged or worn then both parts must be replaced The Planet Gears ar
7. 9 into input coupling Apply 25 in Ibs torque While trying to rotate tool pump the handle on the hydraulic hand pump and increase the pressure until the brake releases The brake is released when you are able to rotate the tool ROLL CHECK TOOL Record the release pressure If brake does not release within 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 brake loses pressure attempt to repair leak using the leak repair procedure at end of this procedure While brake is still released roll check the unit for one revolution of the output member by rotating the tool Bleed off pressure slowly while rotating the ROLL TEST Tool Record the pressure at which the brake locks up Using a clean rag wipe off excess fluid from around brake port and install the pipe plug BRAKE CHART 10 MODEL BRAKE NUMBER RELEASE MAXIMUM BRAKE LOCKUP CODE NUMBER SPRINGS ps PRESSURE psiban indbsNm pe INPUT psi bar 1 BRAKE 1 902446A 11 94 TO 113 138 9 5 3000 207 3061 346 64 TO 83 2 902446B 16 135 TO 162 202 13 9 3000 207 4415 499 105 TO 132 3 902446C 19 158 TO 192 240 16 5 3000 207 5212 589 128 TO 162 4 902446G 1
8. brake chart then contact the Oerlikon Fairfield service department BREAK LEAK REPAIR PROCEDURE Install four bolts into holes in Brake Piston as equally spaced as possible Tighten bolts in steps using an X pattern to ensure that Brake Piston remains straight while being compressed into brake cavity of Spindle Carefully remove Retaining Ring from Spindle Using two eyebolts threaded into opposite holes in the Brake Piston remove the Brake Piston from Spindle Check O rings Backup Rings and brake cavity in Spindle for damage If no damage is found then reinstall Input Brake according to Input Brake Installation Procedure under Main Assembly procedure and perform pressure test again If brake still leaks contact the Oerlikon Fairfield service department Reference Sample Model CT26C 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 The Roll Test Continued on Next Page Planetary Final Drive Service Manual Roll and Leak Test Torque Hub units should always be roll and leak tested before disassembly if possible and after assembly to make sure the unit s gears bearings and seals are working properly The following information briefly outlines what to look for when performing these tests The purpose of the roll test is to determine if the unit s gears are rotating consistently easil
9. burrs in the housing area that could damage the Load Ring during installation The use of DENATURED ALCOHOL also known as Wood Alcohol or Shellac Thinner and a lint free cloth is recommended for cleaning all of these areas NOTE Follow all Material Safety Data Sheet guidelines After all components have been wiped clean and have dried the O Rings should be placed back on the Seal Rings in their proper position The O Rings must be seated completely and tightly on the Seal Ring Always make sure that the O rings are not twisted or distorted by inspecting the mold flash seam on the outside diameter to see that is running true with the circumference Eliminate O Ring twist by gently pulling a section of the O Ring 2 rapidly away from the Seal Ring 1 and letting it snap back Warning Do not place the Seal Rings face down on any hard or abrasive surface to accomplish this Once the O Rings are back on the Seal Rings quickly swab out the housing with a clean lint free cloth generously soaked it with Denatured Alcohol This is to temporarily lubricate the bore Then with the same cloth quickly swab the outside O Ring area of the seal half to temporarily lubricate the O Ring Continued on Next Page 14 Continued on Next Page With all surfaces of the O Ring 2 wet with alcohol use the Installation Tool 9 to position the Seal Ring 1 and the O Ring 2 squarely against the Housing 5 as shown Use sudden and even pre
10. the metal faces of both halves of the Face Seal 1B then coat with gear oil Carefully place Housing 1G onto Spindle 1A so that two halves of Face Seal 1B contact each other Do not allow Face Seal 1B to contact bench or get damaged when flipping Housing 1G over Place other Bearing Cone 1E1F 1D onto Spindle 1A until it is seated in Bearing Cup 1E1F 1C in Housing 1G and spray with a light coat of oil NOTE Insure Bearing Nut 1J spins free on Spindle 1A threads Install Bearing Nut 1J onto Spindle 1A and tighten using locknut wrench Tool T187057 Torque Bearing Nut 1J to 350 ft lbs rotate Housing 1G in both directions and then torque Bearing Nut to 350 ft lbs Rotate Housing 1G in both directions again and torque bearing nut to 350 ft lbs Repeat this until Bearing Nut 1J does not move when 350 ft lbs of torque is applied LEAK CHECK THE FACE SEAL ASSEMBLY Install Cover 15 subassembly using four Bolts 16 Turn unit over onto its side and plug brake port in Spindle 1A with Pipe Plug 17 or if unit is to have brakes installed then plug brake port with an M12 x 1 5 O Ring Pipe Plug Perform LEAK TEST as per instructions on page 10 IF UNIT DOES NOT LEAK remove Pipe Plug 17 in brake port if unit is to have brakes installed If no brake is to be installed in unit do not remove Pipe Plug 17 Turn unit over onto Spindle 1A end and remove Cover 15 subassembly Remove Bearing Nut 1J Clean
11. 3 110 TO 133 164 11 3 3000 207 3607 408 80 TO 103 0 No Brake Continued on Next Page SPRING CHECKING PROCEDURE Install four bolts into holes in brake piston as equally spaced as possible Tighten bolts in steps using an X pattern to ensure that brake piston remains straight while being compressed into brake cavity of spindle TIGHTEN BOLTS IN STEPS USING X PATTERN Carefully remove retaining ring from spindle Slowly remove bolts from the input brake in steps using an X pattern Remove the cover plate from the end of the input brake and count the number of springs in brake If number of springs matches the number in BRAKE CHART go to the next step If number of springs does not matches the number in the BRAKE CHART above install the correct number of springs Continued on Next Page CHECK FOR CORRECT NUMBER OF SPRINGS AS PER BRAKE CHART Install the Cover Plate using four bolts Tighten bolts in steps using an X pattern to ensure that brake piston remains straight while being compressed into brake cavity of spindle Install the large retaining ring into groove in spindle 1A making sure that it is seated properly Remove all remaining bolts from the brake piston and discard NOTE USE CAUTION WHEN REMOVING BOLTS AS THEY ARE SUBJECT TO SPRING PRESSURE MAKE SURE THE RETAINING RING IS SECURED BEFORE REMOVING BOLTS Re test the input brake If release and or lockup pressures still do not match the
12. A REF 406 OLA DRILL THRU 687 CBORE X 625 DEEP TWO MSTL TWO HOLES 180 LOC AS SHOWN 55 e SPECIFIED ALL CHAMPERS 6 445 RADII 06 1008069 T 184729 67 T187059 LEAK CHECK TOOL 375 8 NPT PIPE ONE HOLE LOC AS SHOWN 438 DIA DRILL THRU 812 DIA CBORE x 625 DEEP TWO HOLES 1807 APART LOC AS SHOWN 1004 FO STAND WITH DER SECTIE Ls T AES 06455 2760771 CUTTING 1245 68 LEAK CHECK TOOL T220225 375 18 NPT HOLE SHOWN 50 625 11 THREAD TWO 4140 STL QUENCH amp TEMPER DRAW TO Rc 28 34 OR ALLOY ALL THREAD i 22 FAIRFIELD STAMP TOOL NO 1220225 69 T170238 LEAK CHECK TOOL 578 DIA THRU 375 18 NPTF TAP TURN SMOOTH RING INSTALL DET 104 SECTION 01 ONE 375 16 THD p 300 18 7515 m 1 875 4 102 TWO M STL 406 DIA THRU 53 C BORE X 53 DEEP 2 HOLES EQ SPACED 5 750 DIA B C 1 STD 4940078 O RING SEAL 2 STD 375 16 WING we EXCELLENCE LAFAYETTE NANA LEAK TEST ADAPTER LC CUN CIT LE ATK HI INIT MATES MAR CORMER EOC ET CATING EDGES CINE EOD XER 2084 XIE
13. E COVER SUBASSEMBLY 00 NON DISENGAGE COVER SUBASSEMBLY Continued on Next Page 34 Install Pipe Plugs 17 into Cover 15 NOTE Skip step 2 for Disengage Cover Subassembly Place the Thrust Washer 12 into counter bore of Cover 15 using grease to hold it in place Using alcohol and a clean rag wipe out O Ring groove in the Cover 15 Grease O Ring 14 and install into O Ring groove in Cover 15 Place greased O Ring 15F internal groove of Cover Cap 15B NOTE The Disengage Rod 15E may be used to push O Ring 15F into position in the O Ring groove of the Cover Cap 15B Grease O Ring 15G and position over Cover Cap 15B until it rests against the flange Install Cover Cap 15B into Cover 15 and fasten with two Bolts 15C located 180 degrees apart Torque Bolts to 70 80 105 NOTE There is no timing required between Cover 15 and larger flange hole in Cover Cap 15B Place Disengage Cap 15D on Cover Cap 15B with the nipple facing out Secure with two Bolts 15C located 180 degrees apart Torque Bolts to 70 80 in Ibs Turn Cover 15 over and push Disengage Rod 15E into Cover Cap 15B until Disengage Rod 15E bottoms out on Disengage Cap 15D This concludes the Cover Subassembly 35 Planetary Final Drive Service Manual Input Carrier Subassembly Li I EN b 4 gt Apply a liberal coat of grease to the bore of the Planet Gear 10 This will enable the Need
14. EP D HOLE AS SHOWN 1 1499 7 1498 50 250 20 500 DEEP HOLE 5 SHOWN TWO 4140 STL DRAW TO Rc 45 47 A t FORCE BEHIND THE FUTURE LAFAYETTE INDIANA USA TOLERANCE ON DIMENSIONS UNLE XXX 005 XX 015 030 55 T174699 ASSEMBLY PRESSING TOOL ONE 4140 STL HDN UNIFSS OTHERWISE SPECIFIED ALI CHAMPERS 06 45 26 R REWORK FAIRFIELD ru FORCE BEWIND THE FUTURE LAFAYETTE INDIANA dA Nave DRAW TO Re 45 50 ASSEMBLY PRESSING TOOL FAG SK130190 T2 ALL LOOSE DETAILS TO BE STAMPED WITH THE RESPECTIVE NUMBERS GREAK ALL CORNEAS EXCEPT CUTTING EDGES TOLERANCE ON DIMENSIONS UNLESS OTHERWISE SPECIFIED enean eee cmo ee OFS 05 02 90 LI944A1 T174699 56 ASSEMBLY PRESSING TOOL T134711 ALS THRU 21 FOLES 190 DEG OC AS SHOWN KHURL LENGTH ONE 41 40 SIL 2 TEMPLE DRAW 10 GRIND 1134711 57 ASSEMBLY PRESSING TOOL T187055 _________ REOD REWORK no MATL DIA PFIT 2000 DIA DRILL THRU SIX HOLES EO SPACED LOC AS SHOWN 1250 DIA PFIT TO DET 10 406 DIA DRILL THAU 593 DIA CBORE X 500 DEEP ONE HOLE LOC AS SHOWN ONE 4140 STL HON DRAW TO ROCKWELL 45 50 GRD 4250 375 16 X 1000 DEEP ONE HOLE LOC AS SH
15. ERNAL RETAINING RING PLANET GEAR SUN GEAR CARRIER THRUST WASHER NEEDLE BEARING PLANET SHAFT GROOVE PIN PLANET GEAR INPUT SHAFT THRUST WASHER THRUST WASHER O RING COVER PLATE HEX BOLT 250 20 1 000 GRD 8 PIPE PLUG MAGNETIC BRAKE INPUT DRIVE SCREW ID PLATE COUPLING EXTERNAL RETAINING RING 53 Number Qty Description 21C 3 INTERNAL RETAINING RING 21 1 INTERNAL RETAINING RING 21 1 COPLING SPRING 21D 1 THRUST SPACER 22 1 PIPE PLUG 15C 4 HEX BOLTS 15D 1 DISENGAGE CAP 15B 1 COVER CAP 15G 1 O RING 15F 1 O RING 15E 1 DISENGAGE ROD 18J 1 END PLATE 18F 1 O RING 18G 1 O RING 18H 1 BACK UP RING 181 1 BACK UP RING 18L 1 THRUST PLATE 18A SPRING 18B 6 SOCKET HEAD SCREW 18K 1 BREAK PISTON 18bE 1 RETAINING RING 18D 7 ROTOR 18C 6 STATOR LOBED 24 1 ADAPTOR MOUNT 25 1 O RING 26 2 BOLT 30 1 THRUST WASHER NOTE For Spring 18A quantity refer Brake Chart under Brake Test in page 5 54 Planetary Final Drive Repair Instructions Assembly Tools T189262 SWEDGING TOOL JJ 328 REF 240 235 688 9 ONE MSTL CARB 8750 ONE 4140 STL DRAW TO Re 43 47 UNLESS OTHERWISE SPECIFIED ALL CHAMFERS 06 45 RADII 06 EWO WC REOD REWORK ELNO MATE __________ 625 11 625 DE
16. HE LEAK TEST Higher pressure will create a false sealing effect 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 and where the o rings or gaskets meet on the exterior of the unit and then checking for air bubbles If a leak is detected in a seal o ring or gasket the part must be replaced and the unit rechecked Leak test at 10 psi for 20 minutes LEAK CHECK TOOL Model code Leak Test Tool CT26C1 Bxxxxxx T187059 CT26C1 1xxxxxx T184729 26 12 187059 26 14 187059 26 17 170238 26 18 220225 26 21 184729 10 Planetary Final Drive Service Manual Tightening and Torquing Bolts If an air impact wrench is used to tighten bolts extreme care should be taken to ensure the bolts are not tightened beyond their specified torque The following steps describe how to tighten and torque bolts or socket head cap screws in a bolt circle BOLT A BOLT B Tighten but do not torque bolt A until snug Go to the opposite side of the bolt circle and tighten bolt B unt
17. NVOLUTE SPLINE DATA PER ANS 8921 1970 APPROWED GY FLAT RGOT SIDE FIT 1 TE THIS GC DRIVING 000 GC HEADSTOCK CENTER 55 DIA THAY 2 HOLES SPACED 5750 290 0 Tae 4 LOCATE AS HOAN ON 2376 5 i 1216738 65 T182226 ROLL CHECK TOOL JNVOLUTE SPL THIS DATA AP RONED PROOUC TION 250 20 X 625 DEEP 4 HOLES SPACED ON 2250 DIA 5 TOOLS REQUIRED T8913 DRIVING TIStt DC DRIVING HEAD T 1227 BC HEADSTOCK CENTER 184207 28 DIA ORILL THRU 4 HOLES SFACED ON A 2250 DIA BC TURN FOR COLMAN ER DIA BAR NO 17 BELL CENTER ROTH ENDS 1 120 FULL DEPTH MIN OF SPLINE 5375 02 ONE CARR HDN _________ ONE MSTL CARB HON GRD verre an ne conce nomo rurar LAFAYETTE INDIANA ASSY CONCENTRICITY FIXTURE 10 STAMPED WITH THEN TOLERE 015 07168446 5 ax ph rgis 8 ro UNLESS DIPEMW IED AL CHAWFETRS 06 sdy RADI 66 T184729 LEAK CHECK TOOL 18 PIPE RM M x 2 THD DI
18. OWN ONE 4140 STL HON DRAW TO ROCKWELL c 45 50 GRO LAFAYETTE INDIANA USA FAIRFIELD rorci oco ASSEMBLY PRESSING TOOL Mu OOM DETAILS TO RE SHAD WITH PER MESEC NE UMS CREAN ALL COMERS ENCE T CUTTING 5 TOLERANCE OMENSIONS MLSS SPEC ED exe 2006 4012 UNLESS OTHERWISE SPECIFIED ALL CMAMTERS 06 45 RADII 06 MAX 58 T176237 ROLL CHECK TOOL N Qs 74 fii SS 59 T182969 ROLL CHECK TOOL WOO CLASS such TOOLS 189132 BARBER COLMAN DRIVING DOS 11511 1 6 BARBER COLMAN DRIVING HEAD 161227 BARBER COLMAN HEADSTOCK CENTER TI amp 3X984 28 DIA DRILL THRU 43 HOLES SPACED mad SHOWN 5 COLMAN 101 L TURN FOR T BARRE DI SFIT D 1790 i ary 22 DEPTH OF SPLINE 3750 SRING EWC e 250 20 X 425 DEEP 14 HOLES FO SPACED 3090 0 ONE MSTL CARB HON GRIND FAIRFIELD ree Farce THE FUTURE LAFAYETTE usa OOM PETALE TO DE MITH HEIN 421 CONSTI CUFT NT ron TOMAS CSS LSS 07 CX wee 1065 v 2015 EY UNLESS SPECIFIED ALL gt 4457 06 CT 35A4DCDA75 60 T184035 ROLL CHECK TOOL
19. UBASSEMBLY HUB SPINDLE SUBASSEMBLY NON DISENGAGE BRAKE SUBASSEMBLY Align pipe plugs 17 to proper location per print and install Cover Subassembly 15 to Housing 1G using eight Bolts 16 Torque bolts to 105 110 in Ibs Insert the Input Coupling Subassembly 21A into Hub Spindle Subassembly Insert Brake Piston 18K completely into Hub Spindle without O Rings 18H 18G and Backup Rings 18F 181 to check fit of brake The Brake Piston 1K should slide into Hub Spindle without being forced If Brake Piston 1K does not fit check for burrs or size problems before proceeding Grease O Rings 18H 18G and install smaller diameter O Ring 18G into smaller diameter O Ring groove in Hub Spindle and install larger diameter O Ring 18H into larger diameter O Ring groove in Hub Spindle Uncoil smaller diameter Backup Ring 181 and place one end in smaller diameter retaining ring groove in Hub Spindle between O Ring 18G and side of groove towards planet posts on Hub Spindle Gradually feed Backup Ring 181 into groove allowing it to wrap around groove two times Uncoil larger diameter Backup Ring 18F and place one end in larger diameter retaining ring groove in Hub Spindle between O Ring 18H and side of groove towards flange of Hub Spindle Gradually feed Backup Ring into groove allowing it to wrap around groove until ends meet Starting with a Stator alternately stack and install Stators into Lobes or Splines of Hub Spi
20. aft 10D out of the Carrier 8A The Thrust Washers 10B will slide off the Shaft as it is removed 3 Using a hammer and punch drive the Roll Pin 10E out of the Planet Shaft 10D and Carrier 8A 4 Remove Needle Bearings 10C from the inside of the Planet Gear 8D 5 Repeat steps 1 4 for the remaining two Planet Gears 8D CAUTION Safety glasses must be worn during this next step 6 Remove the Retaining Ring 8C from the output Sun Gear 8B This concludes the Intermediate Carrier Disassembly 31 Planetary Final Drive Service Manual Input Carrier Disassembly Drive Planet Shaft 10D out of the carrier pin holes forcing the Roll Pin 10E to sheer off Hold on to the Planet Gear 10F and push the Planet Shaft 10D out of the Carrier 10A The Thrust Washers 10B will slide off the shaft as it is removed Using a hammer and punch drive the Roll Pin 10E out of the Planet Shaft 10D and Carrier 10A Remove Needle Bearings 10C from the inside of the Planet Gear 10F Repeat steps 1 4 for the remaining two Planet Gears 10F CAUTION Safety glasses must be worn during this next step Remove the Retaining Ring 8C from the Intermediate Sun Gear 9 NOTE Skip below step for the Unit with ratio 202 1 Remove Thrust Washer 13 from bore of Intermediate Sun Gear 9 This concludes the Input Carrier Disassembly 32 ASSEMBLY Planetary Final Drive Service Manual Cover Subassembly DISENGAG
21. aining ring pliers install internal Retaining Ring 21C into the retaining ring groove second close to the end of long shank in Coupling 214 4 Place Thrust Spacer 21D into long shank end of Coupling 21 against Retaining Ring 21C installed second close to the end of long shank in Coupling 214 5 Install Spring 21E into long shank end of Coupling 21A against Thrust Spacer 21D 6 Slide internal Retaining Ring 21C over small diameter spline of Input Shaft 11 7 Push large diameter spline end of Input Shaft 11 into Coupling 21A and compress Spring 21E until internal retaining ring groove in long shank end of Coupling 214 is visible Using retaining ring pliers push Retaining Ring 21C into retaining ring groove in long shank end of Coupling 214 This concludes the Input Disconnect Coupling Subassembly 43 Planetary Final Drive Service Manual Output Planet Gear Subassembly ROLLER BEARING ASSEMBLY BEARING RADIUS 1 Check Planet Gear Sets 3A to make sure that all of the gears in each set have matching serial numbers etched on them then place Planet Gears 3A on bench with bearing lead in chamfer on bore facing up Keep Planet Gear Sets 3A separate CAUTION Safety glasses must be worn during these next steps 2 Install Retaining Ring 3D into the end of the Planet Gear 3 Drop in the Roller Bearing assembly with bearing radius down NOTE Insure Washer included with Bearing is a
22. airfieldmfg com www fairfieldmfg com 71 cerlikon fairfield Oerlikon Fairfield U S 52 South P O Box 7940 Lafayette IN 47903 USA 765 772 4000 www oerlikon com fairfield 72
23. cerlikon fairfield Torque Hub Planetary Final Drive CT26C Service Manual Rev 11 27 12 1 While every precaution has been taken in the preparation of this document 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 Disassembly Instructions Assembly Instructions General Information Planetary Final Drive Service Manual Content Introduction Brake Test Roll and Leak Test Tightening and Torquing Bolts Lubrication Information Seal Installation Instructions Main Disassembly Output Planet Gear Disassembly Input Disconnect Coupling Disassembly Input Brake Disassembly Cover Disassembly Housing Spindle Disassembly Intermediate Carrier Disassembly Input Carrier Disassembly Cover Subassembly Input Carrier Subassembly Intermediate Carrier Subassembly Housing Spindle Subassembly Input Disconnect Coupling Subassembly Output Planet Gear Subassembly Main Assembly Assembly Drawing Parts List Assembly Tools Contact Information Planetary Final Drive Service Manual Introduction This manual is a step by step guide to the disassembly and assembly of the CT26C Torque Hub units It is designed for the customer or mechanic w
24. e 18L from the Brake Piston 18K NOTE Record the number of springs and mark their locations before removing them from brake piston Remove Springs 18A from the Brake Piston 18K This concludes the Input Brake Disassembly 25 Planetary Final Drive Service Manual Cover Disassembly DISENGAGE COVER DISASSEMBLY 00 NON DISENGAGE COVER DISASSEMBLY Continued on Next Page 26 1 Remove the O Ring 14 from groove in Cover 15 and Discard O Ring NOTE Skip step 2 for Disengage Cover Disassembly 2 Remove Thrust Washer 12 from cover 15 3 Remove Bolts 15C from Disengage Cap 15D if required 4 Remove Bolts 15C from Cover Cap 15B if required 5 Remove O Ring s 15G amp 15F and discard 6 Remove the Disengage Rod 15E from Cover Cap 15B This concludes the Cover Disassembly 27 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 28 2 Using small drill bit typically 1 8 drill from top of bearing nut to bottom as shown below USING SMALL DRILL TYPICALLY 1 8 DRILL FROM TOP OF BEARING NUT TO BOTTOM AS SHOWN 3 Using larger drill bit typically 5 16 drill the bearing but from the shoulder to the bottom as shown below USING LARGER DRILL BIT TYPICALLY 5 16 DRILL THE BEARING NUT FROM THE SHOULDER OF BEARING NUT TO THE BOTTOM AS SHOWN 4 Usi
25. e also a matched set and if one is damaged all must be replaced This concludes the Output Planet Gear Disassembly 20 THIS PAGE INTENTIONALLY LEFT BLANK 21 Planetary Final Drive Service Manual Input Disconnect Coupling Disassembly DISENGAGE COUPLING WITH TWO INTERNAL RETAINING RINGS NE DISENGAGE COUPLING WITH THREE INTERNAL RETAINING RINGS Continued on Next Page 22 NON DISENGAGE COUPLING WITH ONE INTERNAL RETAINING RING CAUTION Safety glasses must be worn during this next steps Using retaining ring pliers remove external Retaining Ring 21B from O D groove of Input Coupling 21 if required Remove internal Retaining Ring 21C from the retaining ring groove of Coupling 21 Applicable for only Non Disengage Coupling Disassembly NOTE Skip below steps for Non Disengage Coupling Disassembly Remove internal Retaining Ring 21C from the retaining ring groove on long shank end of Coupling 214 Remove Input Shaft 11 from Coupling 21A Remove Spring 21E from long shank end of Coupling 214 Remove Thrust Spacer 21D from long shank end of Coupling 21 if required Remove the other internal Retaining Ring 21C further away from the long shank end of Coupling 214 NOTE For Disengage If the Coupling sub assembly consist of three retaining rings As shown then remove the internal Retaining Ring 21C 21F from the end opposite to long shank of Coupling 21
26. ghly cleaned with Denatured Alcohol Next apply a thin film of oil EP90 the same oil that will be used to fill the assembly to the faces of the Seal Rings with a clean lint free cloth Warning Be careful not to get oil on the O Rings The seal set is now ready to be drawn together in the assembled unit Max Variation 0 04 in 1 00 mm Check the assembled height A in a least four places spaced 90 apart 16 DISASSEMBLY Planetary Final Drive Service Manual Main Disassembly 9 1 Perform a roll check and a leak check prior to disassembling the unit 2 Remove the two magnetic Pipe Plugs 17 and drain the oil out of the gearbox NOTE Record the condition and volume of the oil 3 Remove Bolts 16 from Cover Subassembly 4 Lift the Cover Subassembly off of the unit Continued on Next Page 18 10 11 12 13 14 15 16 BRAKE SUBASSEMBLY OUPLING SUBASSEMBLY HUB SPINDLE SUBASSEMBLY OUTPUT PLANET SUBASSEMBLY INTERMEDIATE CARRIER SUBASSEMBLY nj INPUT CARRIER SUBASSEMBLY If Unit has Disengage then remove Sun Gear 12 Lift out the Input Carrier Subassembly Remove Intermediate Carrier Subassembly Lift the Ring Gear 5 out of the Housing Spindle Subassembly CAUTION Safety glasses must be worn during these next steps Remove the five External Retaining Rings 3C that are holding the spindle Planet Gears in place Carefully pry the Planet Gears 3A
27. gned Align roll pin holes using a 1 8 inch diameter punch Drive the Roll Pin 10E into the roll pin hole in carrier and into the Planet Shaft 10D until other end of the roll pin is flush with the outside of Carrier 10A Repeat steps 6 through 12 for the remaining two Planet Gears 10F This concludes the Input Carrier Subassembly 37 Planetary Final Drive Service Manual Intermediate Carrier Subassembly 1 Apply a liberal coat of grease to the bore of the Planet Gear 8D This will enable the Needle Rollers 10C to be held in place during assembly 2 Install Needle Rollers 10C into the bore of each of the three Planet Gears 10F NOTE The last roller installed must be installed end wise That is the end of the last roller must be placed in between the ends of the two rollers that form the space and then slide parallel to the other rollers into place 3 Place Sun Gear 8B on bench with spline ends up 4 Install Carrier onto splines of Sun Gear 8B CAUTION Safety glasses must be worn during these next steps 5 Install Retaining Ring 8C into groove on spline end of Sun Gear 8B retaining the sun gear in the carrier 6 Place Carrier into tool fixture so that one of the roll pin holes is straight up 7 Start Planet Shaft 10D 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
28. ho is repairing this particular Torque Hub model Users of this manual should note that each part mentioned is followed by an identification number enclosed in parentheses These part numbers may be referred to in the Parts List and Assembly Drawing sections of this manual Specialized tools used to assemble this unit are noted in the assembly procedures and 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 gloves should be used when handling heated components Be especially alert when you see the word CAUTION This indicates that a particular operation could cause personal injury if not performed properly or if certain safety procedures are not followed The word NOTE is used to bring attention to certain procedures or helpful hints that will aid in the disassembly and assembly process The Brake Test Continued on Next Page Planetary Final Drive Service Manual Brake Test To perform a brake check use a M12 x 1 5 metric fitting Install a hydraulic hand pump with pressure gauge into brake port in spindle 1A using metric thread fitting Place ROLL TEST Tool refer to table on page
29. il equally snug Crisscross around the bolt circle and tighten the remaining bolts Use a torque wrench to apply the specified torque to bolt A Using the same sequence crisscross around the bolt circle and apply an equal torque to the remaining bolts 11 Planetary Final Drive Service Manual Lubrication Information The lubricant used in most Torque Hub drives should be petroleum based gear fluid containing anti oxidation anti foaming and extreme pressure additives The lubricant should have a minimum viscosity index of 95 cst and maintain a minimum viscosity of 40 cst under normal operating conditions Some applications require special considerations consult the machine manufacturer and Oerlikon Fairfield for more additional information General Properties The table below lists the recommended 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 AGMA AGMA Ambient ISO Index Lubricate ISO Index Lubricate Temperature Number Number 40 to 5 p VG100 3EP VG100 3EP pU VG150 4EP VG100 3EP 40 to105 F VG220 VG320 565 6868 VG150 VG220 4 3ossto Brr VG460 7EP VG320 6EP Footnotes 1 For operation in this ambient temperature range synthetic oil is recommended with a pour point of 10 F lower than the minimum ambient temperature
30. l and a clean rag wipe off seal locations on the Housing 1G and the Spindle 1A NOTE Refer pages 14 through 16 for detailed instructions on face seal installation Place Spindle 1A onto bench with planet posts facing up NOTE Generally seals should not be reused Using alcohol and a clean rag thoroughly clean one half of the Face Seal 1B Place outside diameter of metal ring of Face Seal B into groove of seal installation tool and then collapse tool and tighten wing nut Making sure that rubber ring of Face Seal is wet with alcohol push Face seal into seal counter bore of Spindle 1A by hand until it is seated Face Seal 1B is seated when end of seal installation tool contacts the end of the Spindle 1A Continued on Next Page 40 10 11 12 13 14 15 16 17 18 19 20 Place one Bearing Cone 1E1F 1D onto Spindle 1A and spray with a light coat of oil Using alcohol and a clean rag thoroughly clean the other half of the Face Seal 1B Place outside diameter of metal ring of Face Seal 1B into groove of seal installation tool T 189079 and then collapse tool and tighten wing nut Making sure that rubber ring of Face Seal 1B is wet with alcohol push Face seal 1B into seal counter bore of the Housing 1G by hand until it is seated Face Seal 1B is seated when end of seal installation tool contacts the end of the Housing 1G Using alcohol and a clean rag thoroughly clean
31. le Rollers 10C to be held in place during assembly Install Needle Rollers 10C into the bore of each of the three Planet Gears 10F NOTE The last roller installed must be installed end wise That is the end of the last roller must be placed in between the ends of the two rollers that form the space and then slide parallel to the other rollers into place Place Sun Gear 9 on bench with spline ends up Install Carrier 10A onto splines of Sun Gear 9 CAUTION Safety glasses must be worn during these next steps Install Retaining Ring 8C into groove on spline end of Sun Gear 9 retaining the sun gear in the carrier Place Carrier 10A into tool fixture so that one of the roll pin holes is straight up Continued on Next Page 36 10 11 12 13 Start Planet Shaft 10D with end opposite roll pin hole first through the planet shaft hole in Carrier 10A making sure that the roll pin hole with the large chamfer in the planet shaft is straight up Using ample grease to hold them in position slide two Thrust Washers 10B onto Planet Shaft 10D Place Planet Gear 10F into position and push Planet Shaft 10D through planet gear without going all the way through carrier Using ample grease to hold them in position slide two Thrust Washers 10B between Planet Gear and Carrier 104 Finish pushing Planet Shaft 10D into Carrier 10A until roll pin holes of planet shaft and carrier are ali
32. lso in place 4 Install Retaining Ring 3D into the groove of the Planet Gear 3A to hold roller bearing assembly in place Making sure Retaining Ring 3D is fully seated in the groove 5 Repeat steps 2 to 4 for remaining Planet Gears 3A Keep assembled Planet Gears 3A matched sets together This concludes the Output Planet Gear Subassembly 44 THIS PAGE INTENTIONALLY LEFT BLANK 45 Planetary Final Drive Service Manual Main Assembly HUB SPINDLE SUBASSEMBLY OUTPUT PLANET SUBASSEMBLY INTERMEDIATE CARRIER SUBASSEMBLY INPUT CARRIER SUBASSEMBLY DISENGAGE MAIN ASSEMBLY HUB SPINDLE SUBASSEMBLY OUTPUT PLANET SUBASSEMBLY INTERMEDIATE CARRIER SUBASSEMBLY INPUT CARRIER SUBASSEMBLY NON DISENGAGE MAIN ASSEMBLY Continued on Next Page 46 10 11 Place Hub Spindle Sub assembly onto the table with Spindle flange side down Preheat bearing heating oven to 250 F Install Thrust Spacer 2 into counter bore of Spindle 14 Once oven has reached 250 F place Planet Gear Sets 3A into oven and leave in for 15 to 20 minutes Do not leave gears in oven for more than 20 minutes as metallurgical damage can occur if gears reach 250 F Damage can occur before gears discolor Remove Planet Gears from oven and immediately push one Planet Gear starting with large radius on bore of Cylindrical Roller Bearing 3B onto each planet post of Spindle 1A until bearing hi
33. ndle and Rotors internal splines onto splines of Input Coupling 214 Continued on Next Page 49 19 20 21 22 23 24 NOTE There should always be a stator on the top and bottom of the stack Lightly grease cylinder walls of Hub Spindle and install Brake Piston 18K into Hub Spindle If necessary place 134711 on top of brake and lightly tap until Brake Piston 18K contacts brake disk stack Insert correct amount of Springs 18A into Brake Piston 18K spring holes Refer Brake Chart in Page 6 Install Socket Head Cap Screws 18B through the Thrust Plate 18L into the Piston 18K Tighten Socket Head Cap Screws 18B incrementally to evenly compress the Springs 18 CAUTION Safety glasses must be worn during these next steps Using retaining ring pliers install large Retaining Ring 18E into groove in Hub Spindle making sure that it is seated properly NOTE Use caution when installing retaining ring 18E into Hub spindle It may cause injury if it slips out of retaining ring pliers The Unit should undergo brake test as per instructions on page 5 6 7 and 8 NOTE Skip steps 24 25 and 26 if unit does not have Adaptor Mounting 24 Grease and Install Thrust Washer 30 into Adaptor Mount 24 Continued on Next Page 50 25 Grease and Install O Ring 25 onto O Ring groove of Adaptor Mount 24 26 Install Adaptor Mount 24 onto Hub Spindle using Bolts 26 27 The unit sho
34. ng chisel through the larger drilled bore split open the bearing nut as shown below USING CHISEL SPLIT OPEN THE BEARING NUT THROUGH THE LARGER DIRILLED BORE Continued on Next Page 29 10 11 12 Discard Locknut 1J a new locknut must be used for reassembly Turn the unit over and carefully place the unit on a support base until the Spindle 1A posts rests on it Ensure there is enough gap to lower the Housing 1G down USING DEAD BLOW HAMMER ON THE HOUSING DRIVE THE BEARING CONE OFF THE SPINDLE SUPPORT SPINDLE USING SUPPORT BASE Use a dead blow hammer on the Housing 1G flange to drive the inboard Bearing Cone 1D 1E1F off of the Spindle Lift the Spindle 1A out of the Housing 1G Remove the Face Seal 1B halves from the Housing 1G and from the Spindle 1A Using a hammer and punch drive the inboard Bearing Cup 1C 1E1F out of the Housing 1G Be careful not to damage the counter bore in the housing Turn the Housing 1G over and drive the outboard Bearing Cup 1E1F out of the Housing Be careful not to damage the counter bore in the housing Remove the Bearing Cone 1E1F from the Spindle 1A This concludes the Housing Spindle Disassembly 30 Planetary Final Drive Service Manual Intermediate Carrier Disassembly 1 Drive Planet Shaft 10D out of the carrier pin holes forcing the Roll Pin 10E to sheer off 2 Hold on to the Planet Gear 8D and push the Planet Sh
35. ssure to pop push the Toric Ring under the Retaining Lip 3 of NE T NOTE It is important for the O ring as well as the housing bore to be wet with Alcohol during this process Visually inspect the positioning of the O Ring and Seal Ring relative to each other as well as relative to the housing Always make sure that everything is seated symmetrically NOTE Misaligned seals and improperly seated O Rings can cause leakage or premature failure LI 1 773 7 If small adjustments are necessary do not push directly on the Seal Ring 1 use the Installation tool 9 to push down or use the Adjustment Tool 11 to pull up NOTE Never use sharp instruments such as screwdrivers They can cause permanent damage to the O Ring and or Seal Ring which may lead to rapid failure For twists or obvious bulges in the O Ring or if the Seal Ring is riding up on the O Ring and cannot be adjusted always remove the seal half and repeat the procedure beginning with the cleaning process 15 After a successful installation always wait a few minutes for the Alcohol to completely evaporate before assembling The Alcohol is necessary as a lubricant during the installation process but for assembly the area must be clean and dry in order for the O Ring to properly crush into its final position After the two seal halves have been installed in their respective housings and just prior to assembly the faces should be thorou
36. threads of spindle and bearing nut with alcohol Apply Loctite 263 to threads of Bearing Nut 1J And Install onto Spindle 1A and tighten using locknut wrench Torque Bearing Nut 1J to 350 ft lbs rotate Housing 1G in both directions and then torque Bearing Nut to 350 ft lbs Rotate Housing 1G in both directions again and torque bearing nut to 350 ft Ibs Repeat this until Bearing Nut 1J does not move when 350 ft Ibs of torque is applied Stake Bearing Nut 1J in two places using staking tool T 189262 Place sliding block of staking tool against inside diameter of Hosing 1G at staking cutouts on Spindle 1A Hit end of staking tool with hammer until rim of Bearing Nut 1J swells into cutouts in Spindle 1A This concludes the Housing Spindle Subassembly 41 Planetary Final Drive Service Manual Input Disconnect Coupling Subassembly DISENGAGE COUPLING WITH TWO INTERNAL RETAINING RINGS DISENGAGE COUPLING WITH THREE INTERNAL RETAINING RINGS Continued on Next Page 42 NON DISENGAGE COUPLING WITH ONE INTERNAL RETAINING RING CAUTION Safety glasses must be worn during these next steps 1 Using retaining ring pliers install external Retaining Ring 21B into groove on OD of Coupling 21A if required 2 Install Internal Retaining Ring 21C 21F using retaining ring pliers into retaining ring groove of the Coupling 21 NOTE Skip below steps for Non Disengage Coupling assembly 3 Using ret
37. ts shoulder of planet post on Spindle 1 If Planet Gear gets stuck on post before bearing hits shoulder of planet post immediately press bearing the rest of the way on using T 174699 pressing tool Keep Planet Gears Sets 3A together during assembly One set per each Spindle 1 NOTE Do not beat planet gears onto spindle posts with bar stock or hammer CAUTION Safety glasses must be worn during these next steps Install Retaining Ring on each planet post of Spindle 1A Place Ring Gear 5 into Housing Spindle Subassembly with spline end of Ring Gear 5 towards Cover 15 ends of Housing 1G Install Intermediate Carrier Subassembly into Ring Gear 5 with Output Sun Gear 8B facing down Install Input Carrier Subassembly into Ring Gear 5 with Intermediate Sun Gear 9 facing down NOTE On units with a ratio of greater than 36 1 there will be no Input Sun Gear 12 The teeth will be integrated on the Input Shaft If applicable install Sun Gear 12 into input carrier planet gear mesh NOTE Skip step below for Disengage main assembly Install Input Shaft 11 into input carrier planet gear mesh Continued on Next Page 47 COUPLING SUBASSEMBLY HUB SPINDLE SUBASSEMBLY DISENGAGE LOBED BRAKE SUBASSEMBLY COUPLING SUBASSEMBLY HUB SPINDLE SUBASSEMBLY DISENGAGE SPLINED BRAKE SUBASSEMBLY Continued on Next Page 48 12 13 14 15 16 17 18 COUPLING S
38. uld 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 51 Planetary Final Drive Service Manual Assembly Drawing BRAKE SUBASSEMBLY COUPLING SUBASSEMBLY HUB SPINDLE SUBASSEMBLY OUTPUT PLANET SUBASSEMBLY INTERMEDIATE CARRIER 5 SUBASSEMBLY INPUT CARRIER SUBASSEMBLY SUBASSEMBLY S DISENGAGE MAIN ASSEMBLY BRAKE SUBASSEMBLY COUPLING SUBASSEMBLY HUB SPINDLE SUBASSEMBLY OUTPUT PLANET SUBASSEMBLY 2 NTERMEDIATE CARRIER SUBASSEMBLY INPUT CARRIER SUBASSEMBLY COVER SUBASSEMBLY PN 52 NON DISENGAGE MAIN ASSEMBLY Number 1A 1B 1C 1D 1G 1E 1F 1J 2 3A 3B 3C 3D 5 8A 8B 8C 8D 9 10A 10B 10C 10D 10E 10F 11 12 13 14 15 16 17 18 19 20 21A 21B Planetary Final Drive Repair Instructions Parts List Qty 1 1 2 1 1 1415 01 0 1 1 1 1 1 1 1 1 1 1 108 _ 0 Description SPINDLE FACE SEAL BEARING CUP BEARING CONE HOUSING BEARING CUP BEARING CONE BEARING NUT THRUST SPACER PLANET GEAR SET CYLINDRICAL ROLLER BEARING EXTERNAL RETAINING RING INTERNAL RETAINING RING RING GEAR CARRIER SUN GEAR EXT
39. y and properly Release the brake by applying 400 Psi to the brake port To perform a roll test use the recommended tool from 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 long as they roll with consistency Rotate the gearbox both clockwise and counterclockwise the same number of turns as the ratio of the unit The gearbox ratio is the same number as the last three numbers on the ID tag ROLL CHECK TOOL Model code Roll Test Tool CT26C1BxxDxxx T188492 CT26C1 1xxAxxx T182969 012601 1xx4xxx T187845 CT26C1 1xx8xxx T182226 CT26C12xx4xxx T176237 CT26C14xxBxxx T184035 CT26C17xx3xxx T216738 CT26C18xx4xxx T198122 CT26C21xxAxxx T182969 The Leak Test The purpose of a leak test is to make sure the unit is airtight To perform a leak test use the leak test fixture from the table below If the tool is not available the gearbox must be sealed to perform the test This can be accomplished by assembling the sealed input device onto the gearbox at the input end and replace one of the oil plugs with an air chuck DO NOT EXCEED 10 PSI PRESSURE DURING T
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