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MT-14/MT-17 - Marmon-Herrington Aftermarket

1. 1 6 LH 3 4 DRIVE PINION HAND OF SPIRAL BALL SEAT WHEEL SECTION 205 TECHNICAL DATA TYPE DESCRIPTION UNITS MT14 MT17 SYSTEM The reduction of the driven and steered front axle is of two stage design The reduction is accomplished by a pinion and ring gear set in the carrier and by spur planetary gearing in the wheel hub DIMENSIONS WHEEL TRACK 2035 a Rubber tire 16 5 x 22 5 b Rolling radius 540 c Sinking depth 168 1 Max Width 2480 For detailed technical data marked by asterisk at the type versions required by one orderer refer to publication TECHNICAL DATA related to the type versions DESCRIPTION RATIOS Ring gear pinion Planetary gear Total ratio Differential lock GENERAL DATA Camber Knuckle pin inclination Inner wheel turn angle Rated axle load Max Input torque Max Input speed Mass of axle without oil fill WHEEL HUB EXECUTION A Bolt centering for installing wheel disk C Hub centering for installing wheel disk D Hub centering for installing wheel disk Constructional elements of ABS can be mounted into axle Impulse ring installed 10 TECHNICAL DATA 1 kg 205 TYPE MT14 MT17 27 22 293 64 26 1 2 3 461 4 248 7 720 19 7 40 7200 3750 7370 50 710 721 Flange dia
2. 267 39 AUTOMATIC SLACK ADJUSTER isssisiciccssnsasnidansncestanassencdncnscesanssseasdudanisciniedersanieacesen 268 39 DIFFERENTIAL CARRIER ASSEMBLY DIFFERENTIAL CARRIER ASSEMBLY DIFFERENTIAL SECTIONAL VIEW 310 41 PARTS OF THE DIFFERENTIAL CARRIER ASSEMBLY 311 43 REMOVING AND REINSTALLING THE DIFFERENTIAL CARRIER ASSEMBLY nih RES NR RA RR SEU CON a UAR 312 43 REMOVING AND REINSTALLING THE COMPANION FLANGE AND THE COVER 313 43 REMOVING AND REINSTALLING THE DIFFERENTIAL ADJUSTING THE BACKLASH AND THE CONTACT PATTERN 314 45 SECTION SECTION NO PAGE DISASSEMBLING AND REASSEMBLING THE DIFFERENTIAL 315 47 DISASSEMBLING AND REASSEMBLING THE BEARING CAGE ADJUSTING THE CENTER DISTANCE 1 nnne nennen nennen 316 49 DISASSEMBLING AND REASSEMBLING THE BEARING 317 50 OIL FILL UP RUN saec SEA a FRE Ly 395 53 SECTION 203 FOREWORD This publication GENERAL REPAIR INSTRUC TIONS was prepared for workshops and con tains all the necessar
3. 24 1920 784 24 9 matched drive pinion The match marks are stamped to one end of the drive pinion and to one tooth end on the outer taper surface of the drive gear The match marks indicate the identification number of the matched drive gear pinion pair and the deviation true to sense from the theoretical AXIS DISTANCE measured between the drive pinion face and the drive gear centerline For example 1250 0 04 The differential case halves are match pairs thus assemble only match marked case halves according to the mark Pull the flanged differential case half 31 over the lower service mandrel see Fig 2 Insert the spacer 26 and the differential gear 27 as well as the spider 28 subassembled with shims 30 and differential pinions 29 Following this insert the other differential gear and the spacer According to the match marks and aligning the bores fit the differential case halves together then install the 47 bolts 25 By means ofthe upper service mandrel lock the differential and tighten the clamp bolts to 49 59 Nm Remove the upper service mandrel and rotate the differential on the lower mandrel The differential should roll evenly and smoothly without jamming and jerks 4732 02233 Fig 2 ASSEMBLING AND CHECKING THE DIFFERENTIAL Apply thin coat of oil to the mating surface of the drive gear Aligning the bores position the drive gear t
4. 16 WHEEL DRIVE WHEEL HUB WHEEL DRIVE WHEEL SECTIONAL VIEW 210 17 PARTS OF THE WHEEL DRIVE WHEEL HUB wisciscessssscsanssacssacssnsesanssccasenianseninnsenensi 211 18 REMOVING AND REINSTALLING THE WHEEL DISK 212 19 REMOVING AND REINSTALLING THE BRAKE DRUM 213 19 REMOVING AND REINSTALLING THE END COVER 214 19 REMOVING AND REINSTALLING THE PINION CARRIER ADJUSTING THE AXLE SHAFT CLEARANCE 220 19 DISASSEMBLING AND REASSEMBLING THE PLANETARY GEAR 221 20 REMOVING AND REINSTALLING THE SUN 222 20 REMOVING AND REINSTALLING THE WHEEL 223 21 ADJUSTMENT OF AXIAL PLAY 888389 224 21 DISASSEMBLING AND REASSEMBLING THE RING GEAR SUPPORT 225 23 INSTALLATION INSTRUCTIONS FOR PARTS OF ANTI LOCKING SYSTEM 229 24 SECTION SECTION NO PAGE FRONT AXLE HOUSING REMOVING AND REINSTALLING THE TIE ROD ADJUSTING THE TOE IN AND THE WHEEL TURN ANGLES 241 25 REPAIRING TIE ROD e 242 26 DISASSEMBLING AND REASSEMBLING THE KNUCKLE HOUSING AND TH
5. Pull off the cone of the taper roller bearing by means of the device shown see Fig 2 Drive the cup of the inner taper roller bearing out of the bearing cage by means of the device shown see Fig 3 and properly backing the bearing cage Turn the bearing cage over and by means of tools shown drive out the cup of the outer taper roller bearing see Fig 4 Position the inner taper roller bearing cup 12 into the bearing cage then by the tools shown drive in to bottom out Fig 5 Turn the bearing cage over and by means of the tools shown drive in the cup of the outer taper roller bearing to bottom out see Fig 6 Fig 1 PRESSING OUT THE DRIVE PINION 50 SECTION 317 DISASSEMBLING AND REASSEM BLING THE BEARING CAGE By means of the device arranged from parts shown in the figure press the drive pinion 16 out of the removed bearing cage 8 see Fig 1 The drive pinion can also be removed by means of press provided the flange of the bearing cage is properly backed up When pressing out the drive pinion 16 the inner taper roller bearing cone remains on the pinion NE ind AT 4644 00642 8 4868 00223_ After subassembling the bearing 4939 00008 01M cage with taper roller bearing cups ye adjust the bearing preload see Fig 7 10 s P 1 _ 3358 598 64 20 lt FULLING FT
6. ALL WHEEL DRIVE REPAIR MANUAL DRIVEN FRONT AXLE MT14 MT17 SERIES MARMON HERRINGTON ALL WHEEL DRIVE 13001 Magisterial Drive Louisville KY 40223 502 253 0277 800 227 0727 Fax 502 253 0317 E mail info marmon herrington com SECTION 202 CONTENTS SECTION SECTION NO PAGE POR W GRD 203 5 DRAWING OF THE DRIVEN FRONT AXLES MT14 MT17 204 6 TECHNICAL DA UA 205 9 TORQUE RATINGS 206 13 ADJUSTMENT DATA 207 15 GENERAL SERVICE INSTRUCTIONS 52 2 522 544552 2u5222525225k0s nn nb S na 2a saa nhan 88 888888888888 209 16 WHEEL DRIVE WHEEL ano nna tai RES rasiassa 16 KNUCKLE HOUSING 3555 45 55932 95888882885299 89 8 88 8 9 8 8 8 988 8 888888 16 WHEEL BRAKE 5 515512222455422 56424265 524 5348582034i2228942523 2200103 02 ESSERI ORBE MIU S aEEEI E RAF RN IER 16 DIFFERENTIAL CARRIER HEAD 5 5 t rtpnha X Rin C Ka dE ab aya etnia 16 GENERAL INSTRUCTIONS 4945024525 088868 5885
7. Drive pinion to drive gear backlash 0 15 0 25 Drive pinion rolling torque after preloading the bearings 1 0 1 7 the oil seal is not installed adjustment by the distance rings Size of distance rings 34 spacers of 13 89 to 14 715 mm in 0 025 mm thickness steps Theoretical distance between 88 00 the drive pinion face and the drive gear centerline AXIS DISTANCE Shim thickness 0 20 0 25 0 30 0 50 1 0 Clearance between clutch gear and toothed hub as engaged 0 5 2 0 SECTION 209 GENERAL SERVICE INSTRUCTIONS This section summarizes the service operations and adjustment data considered by us to be most impor tant and which should thoroughly be observed and followed during assembling the axle WHEEL DRIVE WHEEL HUB After tightening the spindle end nuts obtain 0 01 0 04 mm axial play at the wheel bearings For adjustment refer to the Section 223 Install ONLY identical code same tolerance class bear ings supplied in one package to one wheel hub planetary gear KNUCKLE HOUSING Install the taper roller bearings into the knuckle housing without clearance then assure preload by reducing the shims by 0 25 0 35 Measure the preload with torque spanner The knuckle housing may turn on torque 17 6 25 5 Nm For adjustment refer to Section 245 WHEEL BRAKE If the brake linings are worn to the permitted limit as indicated by the upper edge of the recess on side of the b
8. When adjusting the inner wheel turn angles the double joint may not interfere with the knuckle car rier and the steering knuckle The outer wheel turn angle is a resultant value SECTION 242 REPAIRING THE TIE ROD DISASSEMBLING THE TIE ROD Loosen the self lock nut 4 Screw the ball joint head out of the tie rod end The ball joint head may be replaced as a unit only When reassembling the tie rod make sure to check if the distance X between the tie rod end and the ball stud centerline is nearly identical on both sides After installing the tie rod to the tie rod arms and adjusting the specified toe in tighten the self lock nuts of the shackles to 75 90 Nm torque SECTION 243 REMOVING AND REINSTALLING THE STEERING KNUCKLE HOUSING THE SPINDLE After the wheel hub is dismounted Section 223 remove the steer arms 28 and the tie rod arms 26 Fig 3 ADJUSTING THE MAX INNER WHEEL TURN ANGLE Fig 1 THE TIE ROD equ 12 as described the Section 245 Then pull the spindle 35 together with the steering knuckle housing 31 of the knuckle carrier 24 and the outer After removing the vent tube 66 by screwing the hex bolts 7 out the knuckle can be separated from the knuckle housing REINSTALLING THE STEERING KNUCKLE HOUSING AND THE KNUCKLE The spindle with the knuckle housing are fixed to each other with hex bolts assembled with LOCTITE 242 Take care o
9. SECTION 268 AUTOMATIC SLACK ADJUSTER The slack adjuster requires no maintenance since it is automatically readjusted according to the brake lining wear In case of replacing the brake linings of after repair ing the axle perform adjustment of the shoe clear ance and the automatic slack adjuster as follows ITEMS 1 Adjusting plate 2 Setscrew hex distance 13 3 Setscrew hex distance 10 4 Plastic protection cup 5 Hex adjusting ring hex distance 32 6 Stop pin 7 Plastic thread protector ADJUSTMENT DATA 4 A Distance between the chamber holder plane and 522 21 71 Fig 1 AUTOMATIC SLACK ADJUSTER C Brake lever installation radius D 24 For dimensions A C and B D refer to TECHNICAL DATA A ADJUSTING POSITION OF THE BRAKE LEVER AND THE SHOE CLEARANCE Remove setscrews 2 3 Take care of the plastic thread protector 7 39 Remove the adjusting plate 1 and the plastic protec Complete adjustment by reinstalling the protection tion cap 4 cap 4 and the adjusting plate 1 as well as installing and securing the setscrews 2 3 and screwing on the By turning the hex adjusting ring 5 to proper direc plastic thread protector 7 tion adjust the specified distance between the seating surface and the brake lever bore Start adjustment During fixing plane of the adjusting plate should be from a distance higher than specified pe
10. bolt 30 Shim 7 Lock washer 8 Bearing cage 9 Taper roller bearing 32312 B X7 JU MGM 10 Distance ring 11 Distance sleeve 12 Taper roller bearing 32314 B X7 JU MGM 13 Shims 14 Hex flanged bolts 15 Differential carrier 16 Drive pinion 17 catch plate 18 Washer 19 Taper roller bearing 30215 A MGM 20 Bearing adjuster 21 Tab lock plate 22 Hex bolt 23 Lock plate 37 Drive gear 38 Lock plate 39 Hex bolt 43 Vent valve 44 Screw plug 47 Snap ring 48 Insert disk 50 Inner disks 51 Outer disks 24 Differential case half 27 Differential gear 31 Differential case half flanged 32 Taper roller bearing 32215 A or 32018 X MGM 33 Bearing adjuster 40 Bearing cage 41 Hex flanged bolt 42 Oil baffle plate 52 Backing disk 53 Thrust springs 54 Toothed hub 55 Clutch sleeve 56 Thrust pad 65 Oil scoop 66 Sunk head screw 70 Pneumatic chamber cover 71 Diaphragm 72 Clamp 73 Pneumatic chamberhousing 74 Spring retainer 75 Spring 77 Stop insert 78 Shift yoke 79 Shift bar 80 Spring 81 Reporting switch 82 Washer 83 Connecting 84 Lock washer 85 Hex bolt SECTION 312 REMOVING AND REINSTALLING THE DIFFERENTIAL CARRIER ASSEMBLY Before removing the differential carrier assembly from the axle drain the oil berbemeuingdls carrier
11. ing the brake shoes Remove the snap ring 1 and the washer 2 Fig 1 PRESSING THE BUSHINGS IN AND OUT Pull the brake lever 3 the shims 6 and the spacer 7 off the brake camshaft 11 end Pull the brake camshaft out 4 and remove the spacer washer 10 below the brake cam head REINSTALLINGUTHE BRAKE GMMR BART BRAKE EEWEPpropeny When actuating the brake lever Position the spacer washer 10 to the brake camshaft and push the relevant brake camshaft RH LH into the bearing bushing Pull the spacer 7 and the shim pack 6 necessary for adjusting 0 1 0 5 mm axial clearance over the brake Install the brake lever to the brake camshaft so the bore center of the brake lever bushing shall be in distance A specified in the TECHNICAL DATA from the up per plane of the chamber bracket Beside the brake lever install the washer 2 and secure by snap ring 1 Check axial play of the brake camshaft to be 0 1 0 5 m If required adjust by shims 6 Fill up the camshaft bearings with specified grease WARNING After installing the RH LH camshaft make sure to check ahead REINSTALLING THE BEARING BUSHINGS the brake shoes should open INSTALLING THE STOPS AT AUTOMATIC SLACK ADJUSTER Attach the relevant RH LH brake lever stops 28 to the chamber bracket by 2 off M8x14 hex bolts 29 with lock washers for each Tighten the hex bolts 20 25 Nm
12. 1133 2 4 24340 8 05 cp l ING INNER RACE VIN 1 I AT MULLCM DCAM Remove the screw plug from the bearing cap and remove the snap ring before the bearing cap 1 Bearing cap 2 Carrying ring 3 Screw plug 4 Snap ring 5 Spider 6 Pivot pin 4 7 Threaded dowel By means of the puller shown remove the bearin from the carrying ring on both the sides by sc the bolt of the puller to place of the screw plug st 1 Mark the removed parts to assure reinstallai their original place After removing the bearing caps remove the together with outer spider from the carrying ring Pull the bearing cap out of the outer spider by adapter of the puller then unscrew the dowel pin the spider Ug ore ULLINA DL ATYIINVA DUI 1 Properly backing up the axle shaft start the knuckle pin out of the axle shaft by means of the thrust pin of the tool shown in Fig 3 then drive out by a mandrel of diameter less than 30 mm Fig 2 REASSEMBLING THE DOUBLE JOINT Reassemble the new axle shaft in reverse order of re moval Install the proper axle shaft into the spider and press in the knuckle pin to center position as shown by A in Fig 2 DRIVING OUT THE KNUCKLE PINS 443 006 50 13 Fig 3 WARNING The symmetry tolerance of th
13. 160 180 Mounted with thread locker Dust shield mounting bolts 10 12 Hex bolts mounting stop of the automatic slack adjuster DIFFERENTIAL CARRIER HEAD Differential carrier housing to axle housing mounting bolts 20 25 88 98 Mounted with thread locker 13 DESIGNATION Drive pinion castle nut Differential carrier cover mounting bolts Bearing cage mounting bolts Adjuster lock plate mounting bolts Differential case halves clamp bolts Ring gear mounting bolts Nuts of clamps for diff lock actuating air chamber Bolts mounting the actuating air chamber 14 206 TORQUE RATINGS SECTION FIGURE TYPE ITEM No MT14 MT17 540 590 20 30 88 98 15 20 49 59 98 118 Mounted with thread locker 2 5 207 ADJUSTMENT DATA DESIGNATION 4 MT17 NOTE mm to inch mm 25 4 Ex 0 15 mm 25 4 006 w WHEEL HUB AXLE HOUSING WHEEL HUB Axial play of wheel hub bearings 0 01 0 04 adjusted by shims Shim thickness 0 2 0 25 0 3 0 5 1 0 STEERING KNUCKLE Thickness of shims necessary for 0 2 0 3 0 5 2 0 2 05 adjusting the preload of the 31310 SKF bearing Rotating torque of knuckle housing 17 6 25 5 in checking no seal is installed Toe in measured at brake drum flange Max Inner wheel turn angle WHEEL BRAKE Shoe clearance during adjustment Axial play of camshaft DIFFERENTIAL CARRIER HEAD
14. 77 Fig 1 A SECTIONAL VIEW OF THE CROSS DIFFERENTIAL IN THE MAIN DIFFERENTIAL lash and check if the bearing clearance is 0 00 mm After adjusting the proper contact pattern and gear clear ance tighten the bearing adjusters on both sides by 0 75 1 25 pitch approx 7 5 15 to be able to secure them by one of the tab lock plates 21 Secure the tab lock plates on both sides by means of the hex bolts 22 Tighten the bolts to 15 20 Nm and secure by folding the corners of the lock plates 23 to flats of the bolts When the adjustment and the operation is proper remove bearing cage assembled with drive pinion and according to the GENERAL SERVICE INSTRUCTIONS apply oil proof surface sealant to the inner flange then fit back the bearing cage and secure by hex flanged bolts 14 coated with thread locker Diagonally tighten the bolts to 88 98 Nm torque SECTION 315 DISASSEMBLING AND REASSEM BLING THE DIFFERENTIAL Pull the inner race of the taper roller bearings 19 and 32 from the removed differential see Fig 1 For disassembling the differential case remove the hex bolts 25 clamping the case halves 24 and 31 together and separate the case halves Remove the spider 28 together with the differential pin ions 29 and shims 30 as well as the differential gears 27 and the spacers 26 Replace the drive gear ONLY together with the
15. Fig 1 ASSEMBLING THE SELF LOCK NUT 43 For pulling off the companion flange use the device ar thin coat grease to the inner ranged from the shown parts Fig 2 REPLACING THE SEALING RINGS IN THE COVER Back out the hex bolts 6 and remove the cover 5 4732 00028 1 By means of the tools shown remove the used sealing rings 4 from the cover see A 75 90 10 39 m a 8 522260 Fig 4 DRIVING IN THE INNER SEALING RING REINSTALLING THE COVER As described in the GENERAL SERVICE INSTRUC 1583 10 56 TIONS apply oil proof surfac t to inner flange of Fig 2 PULLING OF THE COMPANION FLANGE 4732 00028 2 EE Drive in the inner sealing ring see Fig 4 Drive in the outer sealing ring as well by means of the tool shown see Fig 5 592 06 20 Apply specified grease between the sealing lip and the Fig 5 DRIVING IN THE OUTER SEALING RING the cover 5 subassembled with sealing rings 4 then aligning the bores attach the cover to the bearing cage by means of lock washers 7 and hex bolts 6 Diagonally tighten the bolts to 20 30 Nm torque REINSTALLING THE COMPANION FLANGE eo By means of the tool shown press the companion flange Fig 3 DRIVING OUT THE SEALING RINGS 3 to the drive pinion splines to bottom out Fig 6 a Install the washer 2 screw on the self lock nut 1 and tighten to 540
16. PLANETARY GEAR pins out toward direction the steel ball see Fig 1 Stack the sound or replaced parts one by one over the pilot mandrel SN NN E Fig 1 PRESSING OUT THE PLANET PINS put thru the planetary carrier bore as shown in Fig 2 By means of the service mandrel RA 1017 RA 1016 shown tap in the planet pins see Fig 2 When pressing in the planet pins 45 make sure to check if the groove machined in the planetary carrier 39 for the steel ball and the seat in the planet pin align so to be able to insert the steel ball before completely pressing in the planet pin When replacing the cylindric roller bearings 44 make sure to use ONLY identical color code same Fig 2 PRESSING IN THE PLANET PINS tolerance class bearings supplied in one package for a planetary gear REMOVING THE SUN GEAR After removing the pinion carrier SECTION 222 REMOVING AND REINSTALLING THE SUN GEAR remove the snap ring 49 and the distance ring 68 sure to check if the friction disk 69 is on the spacer ring 47 as well as the chamfered side of the distance ring Following this pull the sun gear 46 from the axle shaft 68 faces inward together with the spacer ring 47 and remove the friction disk 69 REMOVING THE WHEEL HUB REINSTALLING THE SUN GEAR Before removing the spindle end nuts safely suspend the wheel hub 38 Reinstall the sun gear in reverse o
17. ROLLER BEARINGS WARNING On axles mountable with ABS toothed surface of impulse ring shall be protected from shocking during installation of seal ring THE WHEEL HUB PRE ASSEMBLING Pre assembling is made on the master shaft shown in Fig 4 Place on the master shaft the wheel hub assembled with taper roller bearing cups inner part of the inner 639 95 12 2 Fig 3 PRESSING IN THE SEALING RING 7 taper roller bearing and the seal ring Place in the engaged spacer sleeve 5 Position on it the ring gear support 2 assembled with the inner part of tapered roller bearing PSs ring gear take care of bearing parts ON EPR Y Clamp the installed parts together with the clamp ing elements shown in Fig 1 of Section 223 SN SECTION 225 DISASSEMBLING AND REAS SEMBLING THE RING GEAR SUPPORT N DISASSEMBLING THE RING GEAR SUPPORT After removing the circlip 3 pull the ring gear 1 off the ring gear support By 2 M8 bolts of at least 40 mm thread length driven into the thru bore in the ring gear support flange press off the taper roller bearing inner race see Fig 1 REASSEMBLING THE RING GEAR SUPPORT As shown in the figure press the taper roller bearing inner race to the ring gear support to bottom out see Fig 2 Fig 1 PRESSING OFF THE TAPER ROLLER BEAR ING INNER RACE i Aligning the t
18. Sealing ring 31 Knuckle housing 32 Taper roller bearing 33 Lock plate 34 Taper roller bearing 35 Spindle 36 Spindle end nuts 37 Wheel bolt 38 Wheel hub 39 Planetary carrier 40 Planetary pinion 41 Wheel nut 42 Spacer plate 43 Hex bolt with spring washer 44 Oylindric roller bearing 45 Planetary pin 46 Sun gear 18 47 Spacer ring 48 Taper screw plug 49 Snap ring 50 End cover with seal ring 51 Oil drain plug 52 Threaded stub 53 Hex bolt 54 Brake drum 55 Steel ball 56 Hex bolt 57 Dowel pin 58 Extension 59 45 grease fitting 60 Grease fitting 61 Lock wire 62 Dowel pin 63 Air chamber bracket 64 Hollow screw 65 Seal rings 66 Vent tube Breather 68 Distance ring 69 Friction disk 70 Friction disk 71 Spoon pin 72 Shim 73 Sealing ring 74 Seal retainer 75 Sealing ring 76 Sealing ring 77 Snap ring 78 Snap ring 79 Oylindric roller bearing 80 Impulse ring 81 Wheel nut 82 Lock washer SECTION 212 REMOVING AND REINSTALLING THE WHEEL DISK REMOVING THE WHEEL DISK With wheels in loaded condition loosen the wheel nuts by means of a wheel nut spanner Then after jacking up the axle remove the nuts and the wheel REINSTALLING THE WHEEL DISK After positioning t
19. oil of grade specified in the Operators Manual Fill ONLY completely clean oil to the axle After oil fill up install the fill plug to be leak tight Following this run the axle to both directions at varying speed DURING RUN CHECK THE FOLLOWING The axle for leaks No leaks are permitted The axle for operation No excessive sound of friction or unusual noise is permitted at the rotary mechanism in the differential and the wheel hubs The meshing gears should roll on one another smoothly without unusual noise The brake for operation In initial position no friction is permitted between the brake shoes and the brake drum During brake application the brake spanner may not jam in the brake spanner bearing and upon termination of the braking force it should return to initial position The axle for warming At the end of running the maxi mum temperature of the wheel hub may be approx 60 C while at the input section approx 80 C 53 54 pON HERR N ALL WHEEL DRIVE 13001 Magisterial Drive Louisville KY 40223 502 253 0277 800 227 0727 Fax 502 253 0317 E mail info marmon herrington com
20. torque SECTION 266 REPAIRING THE CAMSHAFT BEAR ING SUPPORT REMOVING THE BEARING BUSHINGS AND THE SEALING RINGS From one side remove the sealing ring by a simple pry Press the bearing busheings out of the brake spider by means of the tools shown in Fig 1 Pressing out the bearing bushing 9 will push out the spacer ring 39 the other bushing and the sealing ring Press in the shorter bearing bushing with the tool shown to the specified value then install the spacer and press in the bearing bushing to the other side When pressing in take care of that the bushing corners rounded to R 1 5 be on the side shown Fig 2 REINSTALLING THE SEALING RINGS When reinstalling the se check if the sealing lips brake cam head and on 1089 Fig 1 f EES 23 pF PRESSING OUT THE BEARING BUSHINGS 37 toward the axle housing center and the brake lever By this means leak tightness at the brake cam head is assured During lubrication with grease the sealing ring near the brake lever should pass the surplus lubricant toward the brake lever By means of the tools shown press the seal ing rings before the bushings see Fig 3 SECTION 267 MANUAL SLACK ADJUSTER DISASSEMBLING THE MANUAL SLACK ADJUSTER Remove the snap ring 6 and the shims 5 Back out the grub screw 12 then remove the s
21. 590 Nm torque SECTION 314 REMOVING AND REIN STALLING THE DIFFERENTIAL 4642 00817 04 84 pa ooa E N vM NS 5 SN 2 M Fig 6 PRESSING ON THE COMPANION FLANGE ADJUSTING THE BACKLASH AND THE CONTACT PATTERN Back out the hex bolts 22 and remove the lock plates 23 and the tab lock plates 21 By means ofthe tool shown remove the bearing adjusters 20 from both sides see Fig 1 By means of the tool shown in Fig 2 tap the differential toward the flanged differential case half 31 so the outer race of the taper roller bearing 19 shall fall out Due to the taper roller bearing cones the differential can be removed only if disassembled Back out the differential case halves clamp bolts 25 then remove the separated case halves and the other parts from the carrier Drive the outer race of the other taper roller bearing out of the leg bore in the differential carrier by means of the 1583 10 31 Fig 1 ASSEMBLING THE BEARING ADJUSTERS RA 1039 4732 00031 Fig 2 DRIVING ON THE TAPER ROLLER BEARING CONE tool shown in Fig 3 REINSTALLING THE DIFFERENTIAL Reinstall the differential only after installing the bear ing cage and adjusting the axis distance see Section 316 45 Position the assembled differential into the differential carrier Turn th
22. 7 ye case of deviation perform correction by replacing the distance ring With higher rolling torque use higher dis tance ring while at lower torque use lower one In case of proper adjustment relocate the parts from the master shaft to the drive pinion Make sure to install ONLY the parts used for the previous adjustment By means of the tools shown drive the inner race of the inner taper roller bearing 12 onto the drive pinion Fig 8 Position the distance sleeve 11 the previously selected distance ring 10 and the bearing cage subassembled with bearing cups to the drive pinion stem then by means of press sleeve drive on the outer taper roller bearing cone to bottom out while assuring proper connection of the bearings By the tool shown in Fig 6 of Section 313 press the com panion flange 3 to the drive pinion Screw on the flanged castle nut 1 and tighten to 540 590 Nm torque Check the rolling torque as described earlier If deviation is experienced repeat the adjustment until obtaining the specified value The oil seals 4 with the cover 5 are not installed dur ing check SECTION 395 4518 00022 3 4518 00022 2 B 583 10 0 Fig 8 DRIVING ON THE INNER TAPER ROLLER BEARING CONE OIL FILL UP RUN CHECK Thru the oil filler bores on the end cover of the wheel hubs and on the axle housing fill up the finish assembled axle with
23. 720 00122 eos 02 4 1 Fig 4 CHECKING THE BACKLASH drive gear Rotate the drive pinion to both directions for approx 15 sec while braking the drive gear by a piece of wood PROPER CONTACT PATTERN If a contact pattern shown in detail 1 of Fig 5 is obtained the drive gear pinion pair is installed properly Practically the perfect contact pattern shown in the figure cannot be obtained but it is important that the pattern shall nowhere reach the edge of the tooth surface D Large diameter 1 Proper contact pattern 2 Too deep contact 3 Too high contact In case of GLEASON toothing the contact pattern along the tooth is shifted toward the small diameter of the drive gear TOO DEEP CONTACT If the contact pattern is shifted to the dedendum as shown in detail 2 of Fig 5 increase the AXIS DISTANCE by increasing the thickness of the shim pack 13 and simultaneously reduce the increased backlash by shifting the drive gear so to obtain the contact pattern shown in detail 1 of Fig 5 TOO HIGH CONTACT If the contact pattern is shifted to the addendum as shown in detail 3 of Fig 5 reduce the AXIS DISTANCE by reducing the thickness of the shim pack 13 and simul taneously increase the reduced backlash by shifting the drive gear so to obtain the contact pattern shown in detail 1 of Fig 5 After each contact pattern adjustment measure the back 23 122 121 74 75 73 79 80
24. E JOINT Needle Roller Bearing Bushing ASSy SEALS In Wheel Hub In Differential Carrier In Camshaft Bushing Bracket In Spindle In Steering Knuckle Carrier O Ring Seal 12 TECHNICAL DATA 205 TYPE MT14 MT17 RNU 2209 EC 31310 SKF NKS 50 INA GWB 6 369 37 006 00 020 1HH1 145x175x17 NB STEFA SYSTEM 500 AS 75x95x10 FP SIMMERWERKE 42x52x5 NB AFIT ASL 50x65x8 NB SIMMERWERKE 012 0 3340 018 A49 5 80 8 SIMMERWERKE 206 TORQUE RATINGS SECTION FIGURE IEE ITEM No MT14 MT17 NOTE Nm to ftlb Nm 1 3558 Ex 600 Nm 1 3558 443 WHEEL HUB AXLE HOUSING Wheel nuts With lock washer Hex distance 30 mm 360 400 DESIGNATION Sole nut Hex distance 32 mm 540 670 Wheel nuts D As specified by the orderer Wheel hub cower mounting bolts 43 30 40 Mounted with thread locker Planetary carrier counting bolts 56 40 50 Spindle nut inner Per section 223 36 196 Spindle nut outer 34 588 637 Brake drum mounting bolts 53 40 50 Tie rod arm clamp self lock nuts 242 1 5 75 90 Tie rod ball stud castle nuts 242H 2 230 320 Steering arms and tie rod arms 10 412 451 mounting bolts Spindle mounting bolts 160 180 Mounted with thread locker Steering knuckle carrier mounting bolts 16 334 353 Mounted with thread locker Stop bolts jamnut 241 3 2 60 80 WHEEL BRAKE 260 1 Nm Nuts of brake support mounting hex bolts 25
25. E SPINDLE RI POI UU EIU AE RUM M EF uc 243 27 DISASSEMBLING AND REASSEMBLING THE DOUBLE JOINT AND THE KNUCKLE SUPPORT 155a inata nana a naa an nba na Cb rk 3E RATARA 244 27 REMOVING AND REINSTALLING ADJUSTING THE STEER ARMS THE BRAKE CHAMBER HOLDER AND THE TIE ROD ARMS 245 28 ASSEMBLING THE DOUBLE JOINT REPLACING THE AXLE SHAFT 246 29 REMOVING AND REINSTALLING THE INNER BEARING AND FASTENERS OF THE SPINDLE TRUNNION 247 31 FRONT WHEEL BRAKE DRAWING OF THE FRONT WHEEL BRAKE 260 33 PARTS OF THE FRONT WHEEL Cana sas ara dana rid 261 33 REMOVING AND REINSTALLING THE BRAKE SHOES 262 34 REPAIRING THE BRAKE SHOES AND THE BRAKE DRUM 263 34 REMOVING AND REINSTALLING THE BRAKE BRACKET ASSEMBLING THE SPRING SUPPORTING PIN 264 36 REMOVING AND INSTALLATION OF THE BRAKE LEVER AND THE CAMSHAFT 55555 9 25 5 9 55 58892885 883528838886 68658988888 588 9888888 8 265 37 REPAIRING THE CAMSHAFT BEARING 266 37 MANUAL SLACK ADJUSTER AND ITS ASSEMBLING
26. IME MACE IMC TAPER ROLLER BEARING The distance between the outer taper roller bearing cone and the distance sleeve may vary between 13 96 and 15 mm This distance should be determined by measurement for selecting the proper distaneg ring pair 10 Stack the inner taper roller bearing cone the distance 833 22 14 Fig 3 DRIVING OUT THE CUP OF THE INNER Fig 4 DRIVING TAPER ROLLER TAPER ROLLER BEARING sleeve 11 and distance ring pair for filling the deter Position the washer belonging to the master shaft to the mined by measurement then the subassembled bearing bearing cone screw on the flanged nut of the device and cage and the outer taper roller bearing cone to the shown tighten to 540 590 Nm torque master shaft Attach approx 2 mtrs long dius one bore in the bearing RA i039 RA 1039 3234 43 02 15 Fig 5 DRIVING IN THE CUP OF INNER TAPER EEA ROLLER BEARING Fig 6 DRIVING IN THE CUP OF OUTER TAPER ROLLER BEARING cage flange and wind the cord around the bearing cage the fish scale at approx 50 rpm should be 9 6 16 2 N Attach fish scale to other end of the cord and measure which corresponds to the specified 1 0 1 7 Nm rolling the rolling torque torque In case of new bearings installed the force obtained from In case of reused bearings adjust the rolling torque to 0 5 rings 4939 00011 1833 02 1
27. N Place the spacer sleeve 6 in the spindle 35 By means of the tools shown drive in the cylindric roller bearing Fig 3 4727 00152 10 9 3 8 7 2 3 7 6 4 5 Ba p PAS 1 H Fig 2 REMOVAL OF KNUCKLE SUPPORT BEARING 31 979 41 17 When assembling the knuckle support 4958 00029 1 Before the cylindric roller bearing drive in the snap LIES ring and sealing ring 76 then by the same tool it 75 so the seal shall be on the inner side REMOVING AND REINSTALLING CUPS OF TA drive in the seal retainer 74 together with the seal PER ROLLER BEARING d4Q4 lt Bv means of the device shown in Fia 5 pull the cup OIII FA 4958 00029 1 4 1 LA 839 41 18 _ Fig 4 DRIVING IN THE CYLINDRIC ROLLER BEAR INGS INTO THE KNUCKLE SUPPORT Press in of the taper roller bearings 31310 as shown in Fig 6 FRONT WHEEL BRAKE CrMTIAAI NAN 839 22 Fig 6 PRESSING IN THE TAPER ROLLER Fig 5 PULLING OUT THE TAPER ROLLER BEARING CUP BEARING CUPS SECTION 261 PARTS OF THE FRONT WHEEL BRAKE rf 1 E NIENIA Mr 2 3 Brake lever 6 Shims 7 Spaces Sealing ring 19 Brake shoes 9 Bearing bush 20 Brake shoe return spring short 10 Spacer w
28. T CLEARANCE REMOVING THE PINION CARRIER After removing the end cover 50 by means of snap ring pliers remove the snap ring 71 then the shims 27 and the friction disk 70 from the pinion carrier Following this remove the hex bolts 33 from the flange of the pinion carrier 8 then by means of 8 bolts of at least 35 mm thread length driven into the two threaded bores for this purpose in the pinion carrier flange pull the pinion carrier out of the wheel hub REINSTALLING THE PINION CARRIER As described in the GENERAL SERVICE INSTRUC TIONS apply oil proof sealant to seating flange of the pinion carrier avoiding the bores from inside Position the pinion carrier into the wheel hub aligning the bores and the gear teeth Secure by means of hex bolts tightened to 39 49 Nm torque ADJUSTING THE AXLE SHAFT CLEARANCE Insert the friction disk 70 into the installed pinion carrier and secure by the snap ring 71 Push the friction disk to bottom out against the bull gear 46 and by means of feeler gage measure the clearance between the friction disk and the snap ring From the shims 72 select such a pack the thickness of which is 0 5 0 8 mm less than the measured value By means of snap ring pliers remove the snap ring 71 again then insert the selected shim pack and finally install the snap ring By means of the service mandrel shown drive the planet 19 SECTION 221 DISASSEMBLING AND REASSEMBLING THE
29. VE WHEEL HUB SECTIONAL VIEW 37 36 35 3432783073 64 65 31 6 cas 38 2 66 10 59 58 T 27 _ 8 Vas EL d 3 ae A SER 2 2277777771777 8 4 Nw deed 2 0 22 NS EE a m zn 5 ee A A 2 IN lt 855 PSS In S Y 522589 N 2 827 53 2 118 7 1 3 2 17 es 2 2025 SN 53 2 4 TRE HA 92224 22 ZH 13 NN NNS wy 55 2 2 5 6 7 88 9 Yoko Fig 1 WHEEL DRIVE WHEEL SECTIONAL VIEW SECTION 211 PARTS OF THE WHEEL DRIVE WHEEL 1 Ring gear 2 Ring gear Support 3 Circlip 5 Spacer sleeve toothed 6 Spacer sleeve 7 Hex bolt 8 Sealing ring 9 Needle roller bearing 10 Hex bolt 11 Gasket 12 Tie rod arm 13 Double joint shaft 16 Hex bolt with lock plate 17 O ring 23 Axle housing 24 Knuckle support trunnion 25 Taper roller bearing 26 Shims 27 Washer 28 Steering arm cover 30
30. asher 23 Dustshield 11 Camshaft 28 Stop 12 Roller 29 Hex bolt Flat lock washer 13 Roller locking spring 38 Ball grease fitting 14 Brake shoe return spring long 39 Spacer 15 Spring support pin SECTION 262 REMOVING AND REINSTALLING ed Brake Bracket steering knuckle hous THE BRAKE SHOES REMOVING THE BRAKE SHOES Remove the brake drum 54 in Fig 1 of Section 210 18 Brake shoe anchor pin Pry the brake shoes 19 away Remove the rollers 12 together with the lock springs 13 Unhook the shoe return springs by means of a spring hooking device then remove the brake shoes REINSTALLING THE BRAKE SHOES Position the brake shoes to the placed in shoe anchor pin 18 and the brake camshaft head Hook the return springs 14 and 20 to the brake shoes Use the spring hooking device Pry the brake shoes away then insert the rollers so they shall seat both in the brake shoe rib and in the brake spanner involute profile SECTION 263 REPAIRING THE BRAKE SHOES AND THE BRAKE DRUM DO NOT operate the axle with brake drum trued up exceeding the permitted max diameter and brake lining worn below the permitted limit Exceeding the permitted limits the brake camshaft may turn over making the brake application impossible The permitted minimum brake lining thickness is indi cated by the upper edge of the recess in the brake lining side This value is vmin 7 mm as measured at center
31. be turned easily the axial play is excessive so first install the next higher thickness step snap ring instead of the standard thickness one If the joint in spited of this still can be rotated easily replace the snap ring on the other side also to the next higher thickness step one When the joint assembly turns excessively hard the axial play is too low so replace the standard thickness snap rings to a lower thickness step one as described above Insert the spider subassembled with axle shaft into the carrying ring and backing up properly press in the bear ing caps assembled with oil seal and packed with grease using the thrust pin of the press set No 4983 00144 Install the snap rings as above Install the screw plugs into the bearing caps filled with grease SECTION 247 REMOVING AND INSTALLATION OF THE INNER BEARING AND FASTENERS OF THE SPIND REMOVAL FROM THE SPINDLE By means of the puller shown in Fig 1 pull out the seal retainer 73 the sealing ring 30 Remove the snap ring 78 in front of the cylindric roller bearing 9 then using the puller pull out the bearing Fig 1 REMOVING THE KNUCKLE SUPPORT BEARING Bym rt 8727 0052 0 9 13 8 7 2 3 1 6 4 5 ENS Fig 1 PULLING OUT THE CYLINDRIC ROLLER BEARING FROM THE SPINDLE Remove the lock ring 77 and pull out the cylindrical roller bearing 79 with the tool shown in Fig 2 INSTALLATIO
32. e differential carrier over so the differential shall be supported by its flanged case half Position the cone of the ta ler bearing 19 to the 4 1039 N Ms cani SM Fig 3 DRIVING IN THE TAPER ROLLER BEARING CUP differential case half 24 and by means of the tool shown drive on to bottom out see Fig 2 Position the taper roller bearing outer race into the bear ing bore in the differential carrier and drive in by means of the tool shown see Fig 3 Screw in the bearing adjusters 20 Turn the differential carrier over and drive the taper roller bearing cone to the flanged case half 31 then by the same tool as at the other side the bearing cup Screw in the bearing adjusters 20 ADJUSTING THE BACKLASH AND THE BEARING PRELOAD By means of the bearing adjusters adjust the drive pin ion to gear backlash at KLINGELNBERG toothing to 0 15 0 25 mm Locking the drive pinion measure the backlash by dial indicator at four places diagonally on the drive gear toothing perpendicularly to the tooth surface by the dial indicator Fig 4 Maintaining the backlash install the differential taper roller bearing 19 and 32 with no clearance Tighten the bearing adjusters 20 so to obtain 0 000 mm axial play of the drive gear After adjusting the backlash and the 0 000 mm bearing clearance check the contact pattern as follows 46 ADJUSTING THE CONTACT PATTERN 4
33. e face of the knuckle pin pressed into the axle shaft relative to the ground bearing journal of the axle shaft is 0 05 mm Perform check between centers by dial indicator Adjustment of the mean position can be performed by ro tating the adjusting spindle of the device and by adjusting the movable wedge or its support pin Fig 3 After adjusting the knuckle pins to mean position secure the threaded dowel 7 Apply LOCTITE thread locker to the dowel Fill up the roller spaces of the bearing bushes equipped With oil seal as well as the bores of the knuckle pins and POYB bind grease Aagustandagxileiblag ap pin and the spider teco wh 10899 tireadesliiPertBentical thickness snap diransenmli one size step assembly While these ports will accept a standard zerk fitting we recommend that only a needle attachment be used to flow lube into these joints Adding lube under pressure may result in the failure of the cup seal 30 4983 00144 According to detail A of Fig 3 use proper backing and press the bearing cap assembly to one side then install a standard 2 075 mm thickness blue colored snap ring into the groove By backing up as shown in detail of Fig 3 press the bearing cap assembly to the other side and install here also the standard 2 075 mm thickness blue colored snap ring into the groove If the joint assembly can
34. e tie rod to proper di rection After proper adiustment tiahten the castle nuts of the ball studs to NOTE Tachometer to be built in only with spring bush ing of the same manufacturing Besides Bosch and Knorr tachometer a tachometer of other production interchangeable with the above is allowed to be built in If the impulse ring is changed before pressing the new impulse ring is to be headted uniformly to 150 C and pushed up to stop on the wheel hub TOOTHING CAN NOT GET DAMAGED SECTION 241 FRONT AXLE HOUSING REMOVING AND REINSTALLING THE TIE ROD ADJUSTING THE TOE IN AND THE WHEEL TURN ANGLES of the tie rod arms 4711 00257 83992 4 Fig 2 TOE IN ceu 25 nuts to the torque specified Section 242 then cotter secure the self lock nuts and check the toe in again 2 ADJUSTING MAX INNER WHEEL TURN ANGLE 1 Stopbolt 2 Jamnut a Wheel turn angle Upon reaching the max inner wheel turn angle a specified in the TECHNICAL DATA adjust th stop bolt so to bottom out against the axle bod Fig 3 WARNING By means of the pressure relief valve adjust thi power steering gear so the servo effect shall ter minate 2 0 3 0 mm before the stop bolts bottor out against the axle body Secure the stop bolt by tightening the hex jamnt to 60 80 Nm torque Perform adjustment of the max inner wheel turn angle on both sides
35. f that on the spindle the breather be posi tioned on top Tightening torque of the hex bolts is 160 180 Nm The vent tube 66 put thru the hole of the knuckle hous ing is to be fixed with the hollow bolt 64 to the spindle For installing the inner seals of the spindle over the splines of the outer axle shaft pull the service sleeve of Drw No 4746 00100 over the end of the outer axle shaft Carefully push the spindle mounted with knuckle hous ing subassembled with inner seals ever the service sleeve on the outer axle shaft taking care not to dam age the sealing rings then pull the service sleeve of the axle shaft end Assemble the steering and tie rod arms on to the knuckle support 24 as given in Section 245 SECTION 244 REMOVING AND REINSTALLING THE DOUBLE JOINT THE KNUCKLE SUPPORT REMOVING THE DOUBLE JOINT After removing the steering knuckle carefully pull the double joint out of the differential gear splines and the pinion carrier seals REMOVING THE KNUCKLE SUPPORT Remove the hex bolts 16 attaching the knuckle support 24 to the axle housing 23 Separate the properly suspended knuckle support 24 from the axle housing flange with 2 bolts of M12 driven in the axle housing flange REINSTALLING THE KNUCKLE SUPPORT Position the sound to shoulder of the knuckle support The knuckle support subassembled with double joint into the axle housing as p
36. he differential carrier 15 and provisionally secure by hex flanged bolts 14 driven into two opposite bores and tightened to 88 98 Nm torque On the relevant measuring pin of the accessory be longing to the measuring device shown in Fig 1 adjust the theoretical AXIS DISTANCE B 88 00 mm by setting the dial indicator to zero Insert the measuring device to B 88 00 mm to the differential carrier as shown in Fig 1 and measure the AXIS DISTANCE deviation Check if the reading is identical to the AXIS DISTANCE deviation stated on end of the drive pinion In case of identity the adjustment is proper otherwise 49 obtain the specified value by selecting the proper shim pack 13 The permitted deviation is 0 025 mm If the axis distance deviation stated on the drive pinion is 0 04 the value to be ad justed is 88 04 0 025 mm E g Following this reinstall the differential into the differential carrier and adjust the contact pattern as described in the Section 314 REINSTALLING THE BEARING CASE In case of proper contact pattern adjustment and op eration remove the bearing cage subassembled with drive pinion and according to the GENERAL SERVICE INSTRUCTIONS apply oil proof surface sealant to the inner flange then reinstall the bearing cage by means of hex flanged bolts 14 coated with thread locker Diago nally tighten the bolts to 88 98 Nm torque 4695 00330
37. he wheel disk tighten the wheel nuts as specified SECTION 213 REMOVING AND REINSTALLING THE BRAKE DRUM REMOVING THE BRAKE DRUM After removing the wheel disk back out the 4 hex bolts attaching the brake drum to the wheel hub then by 2 M12 bolts of at least 40 mm thread length driven into the threaded bores for this purpose in the brake drum flange pull the brake drum off and remove REINSTALLING THE BRAKE DRUM Aligning the bores position the brake drum to the wheel hub Install the hex bolts attaching the brake drum and tighten to 39 49 Nm torque SECTION 214 REMOVING AND REINSTALLING THE END COVER REMOVING THE END COVER Drain the oil Remove the hex bolts 43 attaching the end cover 50 to the planetary carrier and separate the end cover With a bolt driven into M8 hole in the cover flange REINSTALLING THE END COVER As described in the GENERAL SERVICE INSTRUC TIONS apply oil resistant sealant to the seating surface of the end cover On the planetary carrier outside the planetary pin holes but inside the cover locking threaded holes Aligning the bores and the oil drain bore position the end cover to the planetary carrier then secure by lock wash ers and hex bolts tightened to 18 6 24 5 Nm torque Apply thread adhesive to the threaded stub 52 and screw into the planetary carrier SECTION 220 REMOVING AND REINSTALLING THE PINION CARRIER ADJUSTING THE AXLE SHAF
38. ice operations per formed on the axle removing the individual assembly units make sure to assure safe backing fixing or suspension Install only clean and sound parts free of burrs and dents Before installation wipe the mating surfaces of the parts clean and apply thin coat of oil For assembly operations use ONLY plastic or lead insert hammer Before installing the oil seals make sure to check if the sealing lip is sound and apply specified grease between the sealing lip and the dust protection edge Install the O rings also with grease When installing the taper roller bearings take care of the pairing according to the original packing or to the manu facturer s specification The following thread adhesive locking and surface sealing material are used at the axle e g Thread adhesive LOCTITE 277 Thread locker LOCTITE 242 Surface Sealant LOCTITE 515 Before installation apply the LOCTITE 242 and 277 concentrically to approx 4 5 threads on the threaded surface of the bolt Clean and degrease the surfaces before applying the air curing oil resistant sealant type LOCTITE 515 Apply a continuous strip of min 3 mm diameter to the specified surface The time between applying the sealant and as sembling the parts together may not exceed 10 mins Instead of the above adhesive locking and sealing material other equivalent grade ones may also be used SECTION 210 WHEEL DRIVE WHEEL WHEEL DRI
39. iloted by the pin 57 Install the hex bolts 16 with lock plates Tighten the bolts to 334 353 Nm torque and fold the marked corners of the locking plates on the bolt head plane REINSTALLING THE DOUBLE JOINT AND THE STEERING KNUCKLE Carefully push the inner longer axle shaft of the double joint thru the sealing ring of the knuckle carrier and the bore of its cylindric roller bearing 79 then aligning the splines with those of the differential gear push the axle shaft further to bottom out against the differential making sure not to damage the sealing ring 75 and 76 SECTION 245 REMOVING AND REINSTALLING AND ADJUSTING THE STEERING ARMS THE CHAMBER BRACKET AND THE TIE ROD ARMS REMOVING THE STEERING AND TIE ROD ARMS 27 Remove the securing wire from the bolts attaching the chamber bracket and steering arm then back out the hex bolts 10 Remove the chamber bracket 63 By 2 M10 bolts driven into the threaded bores of the steering arm remove the steering arm from the steering knuckle housing Remove the tie rod arms 12 in the same Way REPLACING THE TAPER ROLLER BEARING INNER RACE The taper roller bearing inner race remained on the re moved tie rod arm and steering arm can be pulled off by means of bearing puller Fig 1 Position the washer 27 to the cover 28 and tie rod arms 28 and 12 By means of the press sleeve shown in Fig 2 press on the taper roller bearing inner race to b
40. itioned as shown see Fig 1 ine 32 rivets should Fig 4 RIVETING SEQUENCE i bottom of the 3 784 mm bore without loosening On each lining 2 rivet flanges may crack in Vee shape provided the test load was endured CHECKING THE BRAKE DRUM Check the inside surface of the brake drum If depth of the hair cracks experienced on the brake drum surface does not exceed 1 mm the brake drum can be repaired by true up The maximum of the brake drum diameter after true up 423 mm Out of this diameter the brake drum should be re placed When trueing up the brake drum the brake shoes should be trued up taking the brake drum diameter into ac count E g If diameter of the trued up brake drum is 422 mm true up the brake shoe to R210 6 R210 3 mm as shown in Fig 1 SECTION 264 REMOVING AND REINSTALLING THE BRAKE SUPPORT BRACK ET ASSEMBLING THE SPRING SUPPORTING PIN In case of damage to the brake bracket the steering knuckle housing machined also as the brake bracket should be replaced as described in the Section 243 ASSEMBLING THE SPRING SUPPORTING PINS Install the spring supporting pins 15 with thread adhe Sive 4789 00024 If the anchor pin bushing 16 to be replaced use the tool shown Fig 1 SECTION 265 REMOVING AND REINSTALLING THE BRAKE LEVER AND THE CAM SHAFT REMOVING THE CAMSHAFT Removal of the camshaft can be performed after remov
41. meter 280 h 11 Wheel nut hex distance 30 Flange diameter 280 8 32 Wheel nut hex distance 32 Flange diameter 221 0 290 Wheel nut hex distance 3 4 16 TECHNICAL DATA DESCRIPTION UNITS WHEEL BRAKE System The wheel brake is out of simplex system internally acting drum brake Brake drum diameter Max trued up brake drum diameter Brake lining width Brake shoe clearance at adjustment Min Brake lining thickness measured at brake shoe center marked by upper edge of recess on side of brake lining SLACK ADJUSTER Slack adjuster installation radius C Distance of slack adjuster bushing bore center from seating plane of the chamber bracket ANTI FRICTION BEARINGS IN WHEEL HUB Outer Taper Roller Bearing Inner Taper Roller Bearing IN WHEEL HUB PLANETARY GEAR Oylindric Roller Bearing ON DRIVE PINION Outer Taper Roller Bearing Inner Taper Roller Bearing ON DIFFERENTIAL On Half Case Taper Roller Bearing On Flanged Case Half Taper Roller Bearing 205 14 17 420 423 420 180 0 3 0 6 7 Automatic slack adjuster 165 233 30218 A MGM 32218 A MGM 30x42x30 MGM 32312 B X7JU MGM 32314 B X7JU MGM 30215 AMGM 32215 AMGM 11 DESCRIPTION IN THE STEERING KNUCKLE CARRIER Oylindric Roller Bearing Taper Roller Bearing IN THE SPINDLE Oylindric Roller Bearing IN THE DOUBL
42. o the flanged differential case half Thru the flange bore drive 4 hex bolts with completely screwed on nut into the drive gear and gradually tightening the nuts pull the drive on to bottom out Fig 3 Secure the drive gear by means of bolts even atthe place of the puller bolts applied with thread locker Tighten the bolts to 98 118 Nm torque REASSEMBLING AND DISASSEMBLING THE LIMITED SLIP MECHANISM CAUTION The springs in the limited slip mechanism are under tension By means of the device shown pull the disks together to bottom out securing the spring force and remove the snap ring 47 Fig 1 48 Fig 3 PULLING ON THE DRIVE GEAR After removing the locking tool remove the thrust disk 48 the inner and the outer disk 50 and 51 the back ing disk 52 the toothed hub 54 and the thrust springs 53 After removing the parts of the limited slip mechanism tap the inner race of the taper roller bearing 32 off the differential case thru the 4 210 mm bores in the empty differential case half 31 Spaced 4x3 position the 12 thrust springs 53 into the flanged differential case half 31 so that no spring flush with the 4 bores of 10 mm Above the springs position the backing disk 52 and pull the thrust disk off by means of the device shown in Fig 3 Following this insert the proper quantity of inne
43. of dial indicator check if the specified 0 01 0 04 mm axial play is obtained In case of improper bearing clearance repeat the adju ment by properly turning back the shaft end nut ar check procedures If the 0 01 0 04 mm axial play is adjusted secure tl shaft end nuts by the lock plate 33 ADJUSTING THE AXIAL PLAY REPLACING TH BEARING INNER RACES AND THE SEALING RINC By means of simple pry remove the sealing ring 8 fro SECTION 224 DISASSEMBLING AND REASSEM BLING THE WHEEL HUB the removed wheel hub Press out the cups of the taper roller bearings For bo bearing cups use the tool shown in Fig 1 REASSEMBLING THE WHEEL HUB By means of the tools shown in Fig 2 press the cup of the outer taper roller bearing 34 into the wheel hub whee hub over and by means of the same tools 4828 00048 2 3 4 5 6 7 4983 00155 439 89 10 Fig 1 REMOVING THE SPINDLE END NUT f 5 Tu l RA m 4 RA 104 3 a 839 95 10 Fig 1 DRIVING OUT THE CUP OF THE OUTER TAPER ROLLER BEARINGS 21 press in the of the inner taper roller bearing 32 as well Position the inner part of the inner taper roller bearing 32 into the cup race Apply thin coat of oil resistant surface sealant to the sealing ring seat then by means of the tools shown in Fig 3 press the sealing ring 8 into the wheel hub Fig 2 PRESSING IN THE CUPS OF THE TAPER
44. of the brake shoe In case of damage or wear to the permitted limit replace the brake linings Replacement of the brake lining or true up of the brake shoe may be performed only in brake shoe pairs The brake shoes equipped with new linings should be in compliance with the dimension specifications and techni cal requirements shown in Fig 1 1 Max Zed area 3 Dimension data 4 Check dimension For riveting use ONLY the rivets corresponding to Fig 2 TECHNICAL REQUIREMENTS Fig 1 DATA FOR TRUEING UP THE BRAKE SHOES WITH NEW LININGS 2 Copper plated Tolerance of the untolerated dimensions is 0 254 4 Tolerance of the untolerated angles is 1 34 For riveting use the device equipped with tool developed cording to Fig 3 1 Rivet set upper 2 Rivet set lower 3 Globe R 2 4 mm Perform riveting in sequence shown in Fig 4 152 148 1 Center of the brake shoe 2 Brake camshaft end of the brake shoe The brake lining should seat so the feeler gage of thickness 0 15 mm could not be in serted between the lining and the brake shoe alona the full lenath except the Zed area see Q T reseretten 256mm 832 61 1773 Tureserenen tirese sir 2 DIMENSIONS OF THE RIVETS 4957 00755 face for parallel That to the dimension so the di mension by a 22 5 mm pin be pos
45. oothing of the ring gear support and the ring gear push them together and install the circlip 3 into its groove SECTION 229 INSTALLATION INSTRUCTIONS FOR THE PARTS OF ANTILOCKING SYS TEM 839 95 23 Fig 2 PRESSING ON THE TAPER ROLLER BEAR ING INNER RACE This section contains the constructional elements of the antilocking and anti skid systems ABS anc ASR that can be installed by the customer each axle type as well as the installation instruc tions The models given TECHNICAL DATA contair the items A C necessary at the installation of the anti lock and anti skid systems 1 1 INSTALLABLE ELEMENTS OF THE ANTI LOCK AND ANTI SKID SYSTEMS 1 1 Revolution sensor A 335545231 Robert Bosch GmbH or WABCO 441 032 001 0 or ZB 9010 1 83315 KNORR BREMSE 1 2 Spring bushing 335 002 431 A Robert Bosch GmbH or WABCO 899 760 510 4 or 4B 69698 KNORR BREMSE NOTE The revolution sensor and the sprinc bushing must be of the same make 3 mS 9525 D 2 INSTALLATION INSTRUCTION 839 53 3 Before installing the spring bushing coat the 18H bore of the revolution sensor holder with paste or silicone grease e g Molykote FP 186 Unirew N3 in order to prevent corrosion 4 the spring bushing from the middle of axle TOOTHED PULSE GENERATING RING into the 18H9 bore until stop 1 2 Put
46. ottom out ADJUSTING THE BEARING PRELOAD REINSTALL ING THE STEERING ARMS AND THE TIE ROD ARMS In assembling the steering arm or cover 28 and the tie rod arms 12 first the taper roller bearings 25 No 31310 must be mounted free of clearance by installing shims 26 of proper thickness without seal 11 then the knuckle bearings must be preloaded by reducing thickness of the shims by 0 25 0 35 mm Preloading is proper if in this pre assembled condition the rotating torque of the knuckle housing is 17 6 25 5 Nm Torque is measured with a torque spanner placed on hex bolt locking the cover If adjustment is proper make the final assembling Take care of that the parts used in the adjustment be installed Install the seals 11 too Locating with the dowel pin 62 mount the cover or the steering arm and the tie rod arms Position the chamber bracket 63 on the cover and steering arm Screw in the drilled head bolts 10 and tighten them to a torque of 412 451 Nm then secure with locking wire 61 Screw in the grease fittings 59 and 60 with the exten sion 58 and fill the pins or the taper roller bearings with the grease specified SECTION 246 ASSEMBLING THE DOUBLE JOINT AXLE SHAFT REPLACEMENT REMOVING THE AXLE SHAFTS FROM THE DOUBLE JOINT 28 rig 4828 00049 Fig 1 PULLING OUT THE INNER PORT OF THE TAPER ROLLER BEARING RA
47. pring 11 and the steel ball 10 Fixing the worm gear at the brake spanner stem unscrew the worm 3 from the brake lever The worm will push out the backing disk 4 ahead On both sides remove the snap rings 9 before the worm gear and remove the worm gear 8 as well 38 4644 04658 oss ssa 59700 11 Fig 2 RA 1239 Fig 3 PRESSING IN THE SEALING RING Drive the bushing 1 out of the brake lever also if required and drive in the new bush to flush with side surface of the brake lever 1 Bushing 2 Brake lever worm 4 Backing disk 5 Shim 6 Snap ring 7 Ball lube fitting 8 Worm gear 9 Snap ring 10 Steel ball 018 5275 Fig 1 MANUAL SLACK ADJUSTER REASSEMBLING THE MANUAL SLACK ADJUSTER In case of damage to the teeth replace the worm worm both sides gear pair Position the worm 3 and the worm gear 8 into the brake lever Se cure the worm gear by snap rings 9 on The worm and the worm gear should be rotatable without jamming and jerk Insert the steel ball 10 and the spring 11 into the seat and secure by grub screw 12 Before the worm drive in the backing disk 4 to bottom out position the required shim pack so to be able to insert the snap ring without clearance Finally install the snap ring Fill up the worm gear with specified grease
48. r and the outer disks 50 and 51 alternately For the axles of 6 500 kg axle load install 8 outer and inner disks For the axles of 10 000 kg axle load install 13 outer and inner disks After positioning the disks install the toothed hub 54 by means of the tool shown in Fig 3 After installing the toothed hub insert thrust disk 48 and finally secure by snap ring 47 Following this remove the device installed for securing the springs SECTION 316 DISASSEMBLING AND REASSEM BLING THE BEARING CAGE AD JUSTING THE AXIS DISTANCE Remove the hex flanged bolts 14 attaching the bearing cage to the differential carrier By means of M12 bolts of at least 65 mm thread length driven into the two threaded bores in flange of the bear ing cage 8 pull the bearing cage out of the differential carrier and remove the shims from flange of the differential carrier REINSTALLING THE BEARING CAGE TO THE DIFFERENTIAL CARRIER After reassembling the bearing cage and adjusting the specified bearing preload adjust the axis distance with differential removed from the carrier ADJUSTING THE AXIS DISTANCE For purpose of piloting screw one M12 stud bolts to two opposite bores in the differential carrier position the shims 13 necessary for adjusting the drive pinion and gear contact pattern over these studs so the extreme ones shall be the thicker Aligning the bores push the bearing cage subassembled with drive pinion into t
49. rake lining replace the linings according to the instructions Check the brake shoe surface in contact with the shoe anchor pin and the camshaft rollers Adjust the specified shoe clearance 0 3 0 6 mm by means of the brake lever After adjustment the brake lining may not interfere with the brake drum From the sealing rings of the brake camshafts only that at the brake cam head may not pass over the surplus lubricant during greasing The sealing ring at the brake cam head protects the brake drum against the grease Make sure to install the sealing rings in proper posi tion True up the brake drum ONLY to the permitted maximum diameter DIFFERENTIAL CARRIER HEAD Install the taper roller bearings of the drive pinion with preload Assure such a preload the bearings shall roll on torque of 1 1 7 Nm for new bearings and on torque of 0 5 0 85 Nm for bearings that have run half of the 16 rolling torque of the new bearings For adjustment refer to the Section 317 The differential gears should be rotatable without jam ming Install the taper roller bearings of the differential without clearance For adjustment of the proper contact pattern and the specified 0 15 0 25 mm backlash refer to the Section 314 When assembling the diff lock assure a clearance of 0 5 2 0 mm between the clutch sleeve and the engaged hub For adjustment refer to Section 318 GENERAL INSTRUCTIONS For purpose of safety during serv
50. rder of removal Make SECTION 223 REMOVING AND REINSTALLING THE WHEEL After removing the planetary carrier and the sun gear release the spindle end nut 36 With the clamping elements shown clamp the wheel hub elements together and remove the spindle end nut with the nut spanner shown Fig 1 Remove the suspended wheel hub from the knuckle The wheel hub parts inner part of the inner taper roller bearing 32 and toothed spacer sleeve 5 clamped to gether with the locking elements are removed from the knuckle by the seal ring 8 struck with surface sealant Application of the locking elements assures central po sitioning of the seal ring pressed in the wheel hub when removing and reinstalling the assembled wheel hub REINSTALLING THE WHEEL HUB Reinstall the wheel hub pre assembled and clamped together by means of the clamping elements on the spindle according to Section 224 Adjust the axial play of the wheel hub bearing support to 0 01 0 04 mm By means of the wrench Drw No 4983 00455 tighten the inner shaft end nut 36 while continually rotating and axially moving the wheel hub so the wheel hub shall turn hard By this means proper connection of the bearings is assured Back out the shaft end nut and tighten again to 196 Nm torque then turn back by approx 35 to 45 Position the lock plate install the outer shaft end nut and tighten to 588 637 Nm torque By means
51. rpendicular to the stop pin 6 If required also adjust the push rod clevis Before installation apply graphitic grease to serration After the above operation adjust the shoe clearance rae brake lever to 0 3 0 6 mm B ADJUSTING AND FIXING THE ADJUSTING PEATE STOP STOP STOP STOP Secure the stop fork E of the adjusting plate 1 in bottom position relative to stop pin 6 as shown in Fig 1 T SECTION 310 DIFFERENTIAL CARRIER ASSEMBLY DIFFERENTIAL CARRIER ASSEMBLY SECTIONAL VIEW Fig 1 DIFFERENTIAL CARRIER ASSEMBLY SECTIONAL VIEW j LIMITED SLIP DIFFERENTIAL CARRIER ASSEMBLY SECTIONAL VIEW 2345 49 2 10 CP 11 83 81 82 8502 39 3837 S 4 e New ANN 2 Ems 26 88 Wien WS IS NS AZ 45 72 y 23 yy 32 4 37 53 52 54515048 47 30 29 28 27 29 4 Fig 2 LIMITED SLIP DIFFERENTIAL CARRIER ASSEMBLY SECTIONAL VIEW SECTION 311 PARTS OF THE DIFFERENTIAL CARRIER ASSEMBLY 1 Flanged castle nut with cotter pin 2 Washer 3 Companion flange 25 Clamp bolt 26 Spacer 4 Sealing rings 28 Spider 5 Cover 29 Differential pinion 6 Hex
52. the inner axle shafis of 1 After removing the wheel hub and the steering knuckle remove the double joints as described in Section 243 2 Assembly can be performed in case of removing the knuckle carrier as well Perform removal and reinstalla tion of the knuckle carrier as described in Section 248 Remove the hex flanged bolts attaching the differential carrier assembly to the axle housing and lift out the carrier REINSTALLING THE DIFFERENTIAL CARRIER ASSEMBLY As described in the GENERAL SERVICE INSTRUC TIONS apply oil proof surface sealant to flange of the COVER REPLACING THE SEALS IN THE COVER REMOVING THE COMPANION FLANGE For assembling the self lock nut 1 use the tools shown Fig 1 For the pitch diameter 184 15 mm com panion flanges use the shown counter support No 4644 00651 2 5 while for those of pitch diameter 155 5 mm the counter support No 4644 00651 4 5 carrier Install one M12 stud bolt to two opposite bores in the axle body then fit the differential carrier into the axle housing and secure by hex flanged bolts coated with thread locker Tighten the bolts diagonally to 88 98 Nm torque Install the double joints as described in Section 243 SECTION 313 REMOVING AND REINSTALLING THE COMPANION FLANGE AND THE 4644 00651 1 7 4644 00651 2 5 2222277 M8 30 522463 129 583 19 55
53. the revolution sensor 1 1 into the spring bushing and push it until it reaches the generator ring and the wheel hub This setting has to be performed every time the hub will be disassembled During operation maximum clearance between the revo lution sensor and the generator ring may be 0 8 mm When leading the wire of the revolution sensor out of the axle brake mechanism be sure not to bend it with radius less than R50 mm Fasten the wire at distances of 50 mm exposed to heat load inside the brake mecha nism Check the runout of the toothed pulse generating ring on the wheel hub Maximum permissible runout of toothing in direction of revolution sensor shaft is 0 2 mm REMOVING THE TIE ROD Remove the cotters and back out the castle nuts then remove the linkages from the taper by pressing out the ball stud with the tool shown Fig 1 REINSTALLING THE TIE ROD Reinstall the tie rod in reverse order of removal After reinstalling the tie rod adjust the steering geometry of the axle 1 ADJUSTING TOE IN Toe in Fig 2 means the difference between the dimen sions A and B measured at the height of the wheel center in front and rear of the brake drum flange The value B measured in front is smaller TOE IN 1 5 1 5 mm ATTENTION Measure toe in with axle installed to the vehicle and in condition not hoisted up Perform adjustment of toe in after loosening the tie rod clamp self lock nuts by turning th
54. y assembly instructions as well as data to be checked and adjusted dur ing repair with the knowledge of which repair and adjustment of the MARMON HERRINGTON MT14 MT17 type driven front axles For technical data on the specific type versions of the MT14 MT17 type driven front axles refer to the publication TECHNICAL DATA while for the spare parts of that PARTS CATALOG grouped according to the Type The GENERAL REPAIR INSTRUCTIONS con tain sections divided into the technical data and the service instructions of the axle The sections of the service instructions contain the disassembly and reassembly operations of the individual assembly unit stating the special tools to be used The serial numbers of the figures are started from the beginning in each section The item numbers of the figures for an assembly unit are referred to in each section dealing with the as sembly procedures The manufacturer shall not be liable for war ranty claims on damages resulting from negli gence of the general service practice required for normal service operations but not contained in this Manual For replacing assembly units or individual parts use ONLY genuine M H MT14 MT17 made products RIGHTS FOR ALTERATIONS RESERVED MARMON HERRINGTON COMPANY 13001 MAGISTERIAL DRIVE LOUISVILLE KY 40245 TEL 502 253 0277 FAX 502 253 0317 SECTION 204 DRAWINGS OF AXLES DRIVE PINION HAND OF SPIRAL HUB PILOTED WHEEL

MT-14/MT-17 - Marmon-Herrington Aftermarket

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