Home

YORK TRAILER AXLE SERVICE MANUAL

1. 12 FT LBS MIN turn the adjusting Shaft Hex CCW Back torque will increase to 16 Nm L l a peak value then return to zero as the ratchet clutch disengages D Eo Replace Autoslack if the Back CCW Torque re KE reading is less than 12 ft lbs 16 Nm M Rotate the Hex shaft a maximum of 5 clicks ratchet teeth while taking torque readings Axleservice 200905 Page 9 AXLE TYPES 2782 and 2784 420 x 180 S CAM BRAKES DUAL and SUPER SINGLE SPIDER HUBS Part No Description 79787901 01 Enclosed Cam Kit short cams Includes 2 x Enclosed cam tube std 2 x Enclosed cam tube mig plate 2 x Seal inner amp outer 4 x Hex bolt M10x20 amp M12x20 4 x Washer M10 amp M12 2 x Grease nipple 6mm straight 8 x Camshaft washer 4 x Camshaft circlip 79787901 17 Enclosed Cam Kit long cams Includes 3 2 x Enclosed cam tube long SE 2 x Enclosed cam tube mtg plate ees 2 x Seal inner amp outer 4 x Hex bolt M10x20 amp M12x20 4 x Washer M10 amp M12 A c 2 x Grease nipple 6mm straight k 8 x Camshaft washer 4 4 x Camshaft circlip Axleservice 200905 Page 10 Item e ol 26 27 28 29 AXLE TYPES 2782 and 2784 420 x 180 S CAM BRAKES DUAL and SUPER SINGLE Part No 79787581 79786114 79786510 1 79786510 2 79SB787579 7927051 79786869 79787582 79786117 01 797861 17 02 79502461 79501123 79502462 79790044 79787719 79501785
2. 798959051554 79105459 794410326340 798997605104 79787591 79787905 7921103 79506221 796550 3 79786275 79787904 79104144 79ABS301 Lockwasher M10 Camshaft circlip Camshaft washer Spherical bush Outer cam bush Plug dust cover Camshaft RH short 525mm Camshaft LH short 525mm Camshaft RH long 627mm Camshaft LH long 627mm Cam roller 11 4 knurled Cam roller retainer spring Return spring retainer Anchor pin bush Enclosed cam tube std 525mm Enclosed cam tube long 627mm Seal hub end enclosed cam Seal inner end enclosed cam Enclosed cam tube mtg plate ABS pole wheel 100 tooth ABS sensor ring alum hub ABS sensor pole ABS sensor pole kit ABS sensor mounting block Slack adjuster Automatic slack adjuster Booster bracket Hubcap window kit Brake spider Non enclosed cam repair kit Pre set bearing spacer ABS Sensor Pole Kit Steel hubs do not include bearings studs or nuts Aluminium hubs include bearing cups cones amp wheelstuds Page 13 Axleservice 200905 AXLE TYPE 2950 335x210 S 79787901 19 CAM BRAKES Kit No Description 79787901 01 Enclosed Cam Kit short cams Includes 2 x Enclosed cam tube std 2 x Enclosed cam tube mig plate 2 x Seal inner amp outer 4 x Hex bolt M10x20 amp M12x20 4 x Washer M10 amp M12 2 x Grease nipple 6mm straight 8 x Camshaft washer 4 x Camshaft circli
3. HM218248 Inner bearing cone pre set Inner bearing cup HM218210 Inner bearing cup pre set Spindle nut Spindle lockwasher Spindle locknut Locktab washer Hub cap gasket 6 hole Hub cap oil 6 hole Hub cap grease 6 hole Hub cap grease 3 hole Hub cap stud 5 16 UNC Hub cap stud M8 Washer hub cap stud Brake drum 10 x 335pcd Brake drum 10 x 285pcd Brake drum 8 x 285pcd Jap i board Brake drum 10 x 335pcd Brake drum 10 x 285pcd Brake drum 10 x 285pcd Lightweight Unlined shoe Q Unlined shoe P Lined shoe Q Lined shoe P Lining cam end Non Asb Lining anchor end Non Asb Description Rivet Return spring cam end Return spring anchor end Q Anchor pin Q Anchor pin bolt on type Anchor pin P heavy duty Dust cover RH Dust cover LH 49FHM08125012 Screw dust cover Grease nipple 6mm straight Dust seal O Ring Spherical bush housing 49HBM12175020 Hex bolt M12 Lockwasher M12 49HBM10150020 Hex bolt M10 Item Part No 21 79502245 22 79786289 79787527 24 79787526 79787997 79787723 26 79786336 27 79786335 28 29 79786885 30 79500686 31 79500375 32 79500363 33 34 49AWM12P 35 36 49AWM10P 37 79500374 38 79500358 39 79500362 40 79502765 41 79500848 42 79504723 01R 79504723 01L 43 79504723 17R 79504723 17L 44 79500356 02 45 79500373 46 79500372 47 79501787 48 79788529 01 79788529 17 49 79787721 50 79787720 51 79787590
4. and a torque setting of 110 130 Nm is reached 3 Using the lockwasher as a guide slacken the adjusting nut back 6 holes approximately one third of a turn and refit the lockwasher Fit the lock tab washer Taking care that the adjust ment is not disturbed fit and tighten the axle locknut to 380 400 Nm Check that the hub and drum rotates freely Bend the tabs on the lock tab washer over to prevent the locknut coming loose in service SPINDLE NUT LOCK TAB WASHER wr OC oy XA LJ N Vi jaa j i 2 G i rn A USE LOCK WASHER LOCK WASHER AS A GUIDE SLACKEN BACK BY 6 HOLES IMPORTANT CHECK END FLOAT IS 0 05mm TO 0 11mm IF NOT READJUST Axleservice 200905 Page 4 CONfmET Note PreSet hubs are designed for extended service without any maintenance If circumstances overhaul accident abuse etc indicate service is required PreSet hubs should be serviced with the close tolerance bearings indicated on the Part Number Identification chart In the event that these bearings are not available standard bearings can be used by following the conversion procedure below Con Met PreSet Hubs IDENTIFICATION See Part Number Identification table on page 7 HUB MAINTENANCE Thoroughly clean and inspect any hub that has been removed for service Discard used seals and gaskets Use new seals and gaskets on reinstallation and replace worn or damaged parts 2 Clean and inspect the
5. bearing surface of the steel cup Do not spatter weld on to the hub Let the assembly cool or quench it in water The weld will cause the cup to shrink enough to allow it to be easily removed 5 To replace the bearing cup heat the hub evenly as in step 3 above 6 Remove the hub from the oven or water quickly and press in the new bearing cup Be sure the cup is properly aligned and fully seated Take care to avoid damage to the bearing bore and shoulder Be sure both cups are fully seated before installing the hub If the cup is being pressed into an unheated hub additional installation force will be required To reduce the installation force the cup can be put in a freezer for an hour prior to installation Axleservice 200905 Page 6 Seal Replacement 1 The seal should be replaced every time the hub is removed from the spindle 2 Follow the seal manufacturers instructions for removing and installing a new seal Use the tools recommended by the seal manufacturer Con Met PreSet Hubs INSTALLATION 1 All PreSet hubs are shipped ready for installation with a thin film of lubricant on the bearings Additional lubricant will have to be added after installation Use only clean parts for service 2 Install the PreSet hub all the way onto the spindle Allow the temporary plastic alignment sleeve if present to be pushed out of the PreSet hub as it is installed onto the spindle If an alignment sleeve was present it can be disc
6. hole Hub cap stud 5 16 UNC Hub cap stud M8 Washer hub cap stud Brake drum spider Brake drum 10x225pcd i board Brake drum 8x225pcd i board Brake drum 8x275pcd o board Unlined brake shoe bonded Lined brake shoe bonded Lining cam end drilled Early Lining cam end drilled Lining anchor end drilled Lining anchor end drilled Rivet Return spring Anchor pin bolt on type Dust cover Dust cover screw Grease nipple 6mm straight 2950 335 x210 S Item Part No 30 79500686 31 79500375 32 79501574 33 49HBM12175020 34 49AWM12P 35 49HBM10150020 36 49AWM10P 37 79500374 38 79500358 39 79500362 40 79502765 41 79500848 42 79790238 01R 79790238 01L 43 79790238 19R 79790238 19L 44 79500356 02 45 79500373 opt 79787722 std 46 79500372 47 79501787 48 79788529 01 79788529 19 49 79787721 50 79787720 51 79787590 798959051554 79105459 794410326340 798997605104 79787591 79787905 7921123 796550 3 79ABS301 CAM BRAKES Description Dust seal O Ring Spherical bush housing Hex bolt M12 Lockwasher M12 Hex bolt M10 Lockwasher M10 Camshaft circlip Camshaft washer Spherical bush Outer cam bush Plug dust cover Camshaft RH 525mm Camshaft LH 525mm Camshaft RH 616mm Camshaft LH 616mm Cam roller 11 4 knurled Cam roller retainer spring Cam roller retainer bolt on Return spring retainer Anchor pin bush Enclosed cam tube std Enclosed cam tube lon
7. wheel bearings spacer and hub each time the hub is removed or when contamination is evident If a bearing cup or spacer needs to be replaced replace all bearings and cups See Bearing Cup Replacement under Hubs with Manually Adjusted Bearings Also replace the spacer if it shows signs of damage See the Part Number Identification chart for part numbers 3 If in case of emergency field repair the PreSet hub bearings as listed in the identification chart are not available your PreSet hub can be easily converted see Conversion Procedure below into a conventionally manually adjusted hub and bearing set by removing the spacer Be sure to follow the manual bearing adjustment procedure see Specifications if you convert your PreSet hub to the manually adjusted system 4 For additional service information see the required topic under Hubs with Manually Adjusted Bearings CONVERSION PROCEDURE If any parts identified as manual adjust parts are used to service a PreSet hub follow the procedure below 1 Remove the tubular spacer from the assembly It is not used when the bearings are manually adjusted Save the tubular spacer so the hub can be converted back into a PreSet hub 2 Assemble the hub onto the spindle as a conventional hub and bearing assembly as described in the section Hubs with Manually Adjusted Bearings 3 Use a spindle lock nut system as used on manually adjusted hubs to establish the bearing adjustment 4 To re
8. 1 NP965350 Inner Bearing Cup 79 787956 02 NP503727 PreSet Bearing Spacer 79 104144 CON MET Axleservice 200905 Page 7 CREWSON BRUNNER AUTOSLACK FIELD INSPECTION No Autoslack can compensate for braking System Deficiencies The brakes should be in good operating condition and be well maintained Crewson Brunner Autoslacks should not require manual adjustment except for initial installation and brake relines The Autoslack unit must be installed with a Crewson brunner clevis and template By constantly manually readjusting the Autoslack Adjuster the internal clutch life can be shortened AUTOSLACK ON THE VEHICLE Free Stroke Free stroke is the distance the slack arm moves in order to make the brake shoes contact the drum Move the slack arm with a small pry bar and measure the movement distance This distance should be 10mm to 16mm If free stroke is greater than 16mm check the foundation brake components Repair and replace as needed Push Rod Power Stroke Measure the power stroke the difference between when the brake is off and when air is fully applied at 80 to 90 psi application pressure This distance Stoke must be less than or equal to the maximum in the chart below Chamber Types Adjusted stroke 16 20 24 less than or equal to 44mm 30 less than or equal to 51mm 36 less than or equal to 57mm gTROE L 238 _ TEN If the stroke is corr
9. 12454 010 79 ABS301 SPIDER HUBS Description Dust seal O Ring Spherical bush housing Hex bolt M12 Lockwasher M12 Hex bolt M10 Lockwasher M10 Camshaft circlip Camshaft washer Spherical bush Outer cam bush Plug dust cover Camshaft RH short 525mm Camshaft LH short 525mm Camshaft RH long 627mm Camshaft LH long 627mm Cam roller 11 4 knurled Cam roller retainer spring Return spring retainer Anchor pin bush Enclosed cam tube std 525mm Enclosed cam tube long 627mm Seal hub end enclosed cam Seal inner end enclosed cam Enclosed cam tube mtg plate Rim clamp super single Slack adjuster Automatic slack adjuster ABS pole wheel 100 tooth ABS Sensor pole ABS sensor pole bush ABS sensor pole mounting block Hubcap window kit Booster bracket Brake spider Non enclosed cam repair kit Spacer band 4 ABS Sensor pole kit Page 11 AXLE TYPES 2782 and 2784 420 x 180 S CAM BRAKES DUAL and SUPER SINGLE STUD TYPE HUBS Part No Description 79787901 01 Enclosed Cam Kit short cams Includes 2 x Enclosed cam tube std 2 x Enclosed cam tube mig plate 2 x Seal inner amp outer 4 x Hex bolt M10x20 amp M12x20 4 x Washer M10 amp M12 2 x Grease nipple 6mm straight 8 x Camshaft washer 4 x Camshaft circlip 79787901 17 Enclosed Cam Kit long cams Includes 2 x Enclosed cam tube long 2 x Enclosed cam tube mig plate 2 x Seal inner amp outer 4 x Hex b
10. 77 28 49FHM08125012 30 79500686 31 79500375 32 79501574 33 49HBM12175020 34 49AWM12P 37 79500374 38 79500358 35 49HBM10150020 29 79786885 39 79500362 36 49AWM10P 40 79502765 41 79500848 42 79504742 01R 79504742 01L 43 79504742 19R 79504742 19L 44 79500356 45 79500373 79787722 46 79500372 47 79501787 48 79788529 01 79788529 19 49 79787721 50 79787720 51 79787590 79787905 79271405 Description Lining cam 311x178 Lining anchor 311x178 Lining cam end 311x127 Lining anchor end 311x127 Rivet Brake return spring Anchor pin bolt on type Dust cover RH Dust cover LH Screw dust cover Dust seal O Ring Spherical bush housing Hex bolt M12 Lockwasher M12 Camshaft circlip Camshaft washer Hex bolt M10 Grease nipple 6mm straight Spherical bush Lockwasher M10 Outer cam bush Plug dust cover Camshaft RH 525mm Camshaft LH 525mm Camshaft RH 616mm Camshaft LH 616mm Cam roller 11 8 Cam roller retainer spring Cam roller retainer bolt on Return spring retainer Anchor pin bush Enclosed cam tube std 525mm Enclosed cam tube long 616mm Seal hub end enclosed cam Seal inner end enclosed cam Enclosed cam tube mtg plate Slack adjuster Hub Drum assembly 15 spider Page 17
11. 79501715 Description Wheel stud Hub seal Outer bearing cone HM212049 Outer bearing cup HM212011 Spider hub assembly dual Spider hub super single Rim clamp dual Spider wheel nut Inner bearing cone HM218248 Inner bearing cup HM2182 Spindle nut Spindle lockwasher Spindle locknut Locktab washer Gasket Hub cap oil Hub cap grease 49HB5 16UNC1 00 Hub cap stud 5 8 UNC 49AW5 16P 79787580 7960327 9 79787525 79502906 01 79787902 02 79502064 02 79786281 02 79786282 02 79502245 79786289 79787527 79787526 79787997 79787723 79786336 79786335 49FHM08125012 79786885 Axleservice 200905 Washer hub cap stud Brake drum dual Brake drum super single Unlined shoe Q Unlined shoe P Lined shoe Q Lined shoe P Lining cam end non asb Lining anchor end non asb Rivet Return spring cam end Return spring anchor end Q Anchor pin Q Anchor pin bolt on type Anchor pin P heavy duty Dust cover RH Dust cover LH Screw dust cover Grease nipple 6mm straight Item Part No 79500686 79500375 79500363 49HBM12175020 49AWM12P 49HBM10150020 49AWM10P 79500374 79500358 79500362 79502765 79500848 79504723 01R 79504723 01L 79504723 17R 79504723 17L 79500356 02 79500373 79500372 79501787 79788529 01 79788529 17 79787721 79787720 79787590 79B2 182 79787905 7921103 798959051554 794410326340 798997605104 79787591 796550 3 79506221 79786275 79787904 85
12. WOVE IES YORK TRANSPORT EQUIPMENT PTY LTD 13 Monterey Road Dandenong VIC 3175 ABN 25 006 303 206 YORK TRAILER AXLE SERVICE MANUAL MELBOURNE SYDNEY Ph 61 39790 2000 Ph 612 9725 5411 Fax 61 39790 2020 Fax 61 29725 5419 Email enquiry yorktransport com au Website www yorktransport com au BULLETIN SERVICE INFORMATION amp WARRANTY CONDITIONS York Trailer Axles York trailer axles are guaranteed as set out in the Warranty document Further to all of the stipulations therein attention to the following is crucial to that watranty i No York axle should be loaded to more than the design load of 10 tonnes or the design load agreed to by York in writing for any particular application ii York axles must not be operated with the brake torque chamber size and lever length in excess of the Australian Design Rule compliance for that trailer iii All welding to York axle beams should be carried out strictly in accordance with York s technical specifications iv At point of manufacture York have adjusted the wheel bearings in accordance with York s technical specification This must be checked at the first 5000 Km service and readjusted if necessary to be within this range v York have marked the outer nut at the spindle keyway to provide a reference to the initial factory setting When the bearings have been readjusted the mark might not be at the keyway this will be because of the bearings sett
13. arded Once the hub is on the spindle Never remove the outer bearing Removing the outer bearing may cause the seal to become misaligned resulting in premature seal failure 3 Remove the temporary plastic bearing cover and install the spindle nut Torque the spindle nut to 400 Nm 300 Ibft Do not back off the spindle nut It may be necessary to tighten the spindle nut a little more to allow the alignment of the lock washer with the spindle nut Install the lock tab washer and outer lock nut torque the lock nut to 280 Nm 200 Ibft 4 Install the hub cap on the hub The hub cap bolt holes must be free of debris such as silicon gasket sealer to ensure that the bolts will tighten properly to avoid leaks Always use new gaskets Use the recommended lubricants to fill the hub with oil lubricated hubs it may be necessary to add oil to the hub three or four times to assure the correct oil volume Con Met PreSet Hub Installation Torque Applied to all Spindle Nuts 300 Ib ft 400 Nm LOCK IN PLACE NO BACK OFF If the locking device is not aligned and locked at 300 1b ft 400 Nm advance the nut to the next position that allows the nut to lock Check the nut and verify that the locking system is engaged before installing the hub cap PART NUMBER IDENTIFICATION Description York Part No Timken Part No Outer Bearing Cone 79 787955 01 NP899357 Outer Bearing Cup 79 787955 02 NP026773 Inner Bearing Cone 79 787956 0
14. ect the Autoslack is operating properly No other tests are necessary Back Torque With the Autoslack correctly installed on the axle Back Torque CCW Rotation can be measured Using a torque wrench turn the Adjusting Hex CCW Back Torque will increase to a peak value then return to zero as the ratchet clutch disengages Replace Autoslack if the Back CCW Torque reading is less than 12 ft lbs 16 Nm Rotate the Hex shaft a maximum of 5 clicks ratchet teeth while taking torque readings Axleservice 200905 NN f 12 ft lbs MIN 16 Nm Page 8 AUTOSLACK REMOVED FROM VEHICLE Crewson Brunner Autoslacks are fully lubricated Crewson Brunner Autoslacks can not at the factory A grease fitting is provided for be diassembled in the field Never normal maintenance tamper with the units factory settings Verify Autoslacks Set Up 3 POSITION 4 ANGLE A CLEVIS 1 Select the correct template for the spline size and armhole location _ 5 fh 2 Fit Installation Template over S Cam and put 1 2 pin into clevis i 24 peer 3 Swing Template to engage 1 2 pin a 4 Screw clevis CW or CCW on push rod until 1 4 holes in clevis and N A A pe template line up 5 Template now indicates correct set up angle A Z 6 Remove template and 1 2 pin Install Autoslack adjuster on S Cam es 5 a and turn the Hex nut CW until 1 2 and 1 4 holes line up with the S DISENGAGE clevis 7 In
15. g Seal hub end encl cam Seal inner end encl cam Encl cam tube mtg plate ABS pole wheel 100 tooth ABS sensor ring alum hub ABS sensor pole ABS sensor pole bush ABS sensor mounting block Slack adjuster Automatic slack adjuster Hubcap window kit ABS Sensor Kit Preset bearing hub spares 79787955 01 79787955 02 79787956 01 79787956 02 79104144 Steel hubs do not include bearings studs or nuts Aluminium hubs include bearing cups cones amp wheelstuds Outer bearing cone Outer bearing cup Inner bearing cone Inner bearing cup Preset bearing spacer Page 15 AXLE TYPE 2783 2953 15 AXLE 311 x 178 S CAM BRAKES AXLE TYPE 2954 311 x 127 S CAM BRAKES Kit No Description 79787901 01 Enclosed Cam Kit short cams Includes 2 x Enclosed cam tube std 2 x Enclosed cam tube mig plate 2 x Seal inner amp outer 4 x Hex bolt M10x20 amp M12x20 4 x Washer M10 amp M12 2 x Grease nipple 6mm straight 8 x Camshaft washer 4 x Camshaft circlip 79787901 17 Enclosed Cam Kit long cams Includes 2 x Enclosed cam tube long 2 x Enclosed cam tube mig plate 2 x Seal inner amp outer 4 x Hex bolt M10x20 amp M12x20 4 x Washer M10 amp M12 7X 2 x Grease nipple 6mm straight Ya 8 x Camshaft washer 4 x Camshaft circlip Axleservice 200905 Page 16 AXLE TYPE 2783 2953 15 AXLE 311 x 178 S CAM BRAKES AXLE TYPE 2954 311 x 127 S CAM BRAKES Descri
16. is excessive bearing movement Readjust as necessary Every 100 000 km Remove hubcaps inspect bearings and lubrication Readjust and re torque the outer nut resecure lock tabs Visually check the axle and ancilliary components for cracking damage and wear Repair or replace as necessary Every 300 000 km Remove wash and inspect wheel bearings replace if necessary When re assembling bearings must be properly lubricated and adjusted to York s specifications IMPORTANT NOTE If the operating service conditions are severe this procedure may be required at more frequent intervals Re adjust bearings after 5 000 km if bearings are replaced BEARING LUBRICANTS GREASE Castrol APXT grease or approved equivalent OIL EPX 85W 140 or approved equivalent Axleservice 200905 Page 3 YORK TRAILER AXLES Wheel Bearing Adjustment We recommend that all axles should have the wheel bearings adjusted initially after the first 5 000 km and then at 100 000 km intervals This does not preclude the need for inspecion and adjustment as necessary every 25 000 kms if service conditions require this The recommended wheel bearing adjustment procedure is l Make sure that the hub revolves freely and if necessary temporarily slacken off the brake adjustment to ensure complete freedom from brake binding drag 2 Rotate the hub in both directions at the same time tightening the bearing adjusting nut Continue until a binding is felt
17. l to have supports that will prevent the hub from tipping when force is applied to the stud If that is the case support the hub on wood blocks on the floor and use a hammer to drive the studs out with several sharp blows Be careful to avoid damage to the hub particularly to the seal bore and ABS ring Wheel Stud Replacement 1 Check stud length to verify that the stud stand out will be correct 2 To In stall a new stud support the hub evenly around and adjacent to the stud being installed Caution Some studs have a flat edge on the head Be sure that the edge is line with the groove or shoulder on the head 3 Press the new stud all the way into the hub Be sure the stud is fully seated and that the stud head is not embedded into the hub WARNING If the stud head is embedded into the hub the hub should be replaced Bearing Cup Replacement 1 Separate the hub from the spindle and wheels 2 Thoroughly clean and degrease the hub with a nonflammable solvent 3 It is recommended that the hub be heated evenly throughout in an oven or in boiling water to 175 215 F See below for an alternative method 4 Remove the hub from the oven or water and quickly press out the bearing cup Take care to avoid damage to the bearing cup bore and shoulder Variations within tolerances of materials and oven temperatures may allow the bearing cup to drop in and out easily Alternate Procedure Use an electric welder to weld a large bead around the
18. ling in during the initial service period The locknut must be re torqued to 380 to 400Nm each time the bearings are rechecked vi Operation of York axles in correctly specified applications with regular inspection adjustment and lubrication is vital to ensure maximum life of all components and to comply with York s warranty conditions The enclosed Service Information Data sheet sets out the minimum servicing requirements YORK TRANSPORT EQUIPMENT PTY LTD Axleservice 200905 Page 2 YORK TRAILER AXLES First 500 Kilometres Check tightness of all wheel nuts On delivery After wheel changes NOTE Recommended torque settings dry threads the use of power tools for torque settings is not recommended 1 WHEEL NUTS Note 1ft lb 1 36Nm ISO M22 studs 550 600 Nm ISO M24 studs 650 750 Nm BSF 7 8 BSF studs 475 540 Nm DIN 22mm studs 515 540 Nm Japanese M20 studs 400 440 Nm Japanese M24 studs 650 750 Nm Spider Hubs 3 4 UNC 200 260 Nm 2 CAMSHAFT BRACKET SETSCREWS M12 90 100 Nm M10 30 35 Nm Lubricate camshaft grease nipples using Castrol APXT grease or an approved YORK equivalent Ist Service 5 000 km Full bearing adjustment Ist amp every 5 000 km Check and adjust brakes and check brake linings for wear Every 25 000 km Lubricate slack adjuster and camshafts using Castrol APXT grease or an approved YORK equivalent Rotate wheels and check wheel bearings to ascertain if there
19. olt M10x20 amp M12x20 4 x Washer M10 amp M12 2 x Grease nipple 6mm straight 8 x Camshaft washer 4 x Camshaft circlip Axleservice 200905 Page 12 AXLE TYPES 2782 and 2784 420 x 180 S CAM BRAKES DUAL and SUPER SINGLE STUD TYPE HUBS Item Part No 1 15 16 19 20 79786111 79786511 79792155 79792156 79786506 79786507 79102188 79102190 79786114 79786510 1 79787955 01 79786510 2 79787955 02 79786106 79787712 79787531 79787891 79104894 79105366 79502917 01 79790001 79790002 79786117 01 79787956 01 79786117 02 79787956 02 79502461 79501123 79502462 79790044 79787719 79501785 79501715 79786215 49HB5 16UNC1 00 49HBM08125025P 49AW5 16P 79787571 79786875 79790204 79786108 79ML100 79787886 79787525 79502906 01 79787902 02 79502064 02 79786281 02 79786282 02 Axleservice 200905 Description Wheelstud ISO 100mm Wheelstud ISO 124mm Wheelstud SAE 100mm Wheelstud SAE 122mm Wheelstud Japanese R H M20 Wheelstud Japanese L H M20 Wheelstud M22 short alum hub Wheelstud M22 long alum hub Hub seal Outer bearing cone HM212049 Outer bearing cone pre set Outer bearing cup HM212011 Outer bearing cup pre set Steel hub 10 x 335pcd pre 1995 Steel hub 10 x 335pcd Steel hub 10 x 285pcd Steel hub 8 x 285pcd Jap Alum hub 10 x 285pcd pre set Alum hub 10 x 335pcd pre set M22 ISO Wheelnut Japanese wheelnut set RH Japanese wheelnut set LH Inner bearing cone
20. p Enclosed Cam Kit long cams Includes 2 x Enclosed cam tube long 2 x Enclosed cam tube mig plate 2 x Seal inner amp outer 4 x Hex bolt M10x20 amp M12x20 4 x Washer M10 amp M12 2 x Grease nipple 6mm straight 8 x Camshaft washer 4 x Camshaft circlip Page 14 AXLE TYPE Item Part No 1 79786111 79792155 79786511 79792156 79102190 2 79786114 3 79786510 1 79786510 2 4 7927140 79792161 79787674 79787705 79104906 6 79502917 01 7 79786117 01 797861 17 02 8 79502461 9 79501123 10 79502462 11 79790044 12 79787719 13 79501715 79501785 79786215 14 49HB5 16UNC1 00 49HBM08125025P 15 49AW5 16P 16 79786856 79792163 79787675 79787704 17 79788845 18 79787650 04 19 79506464 02 79788846 02 20 79506464 02 79788847 02 21 79502245 22 79506498 24 79787997 26 79506414 28 49FHM08125012 29 79786885 Axleservice 200905 Description Wheelstud ISO 100mm SAE Wheelstud 100mm Wheelstud ISO 124mm SAE Wheelstud 122mm Wheelstud alum hub long Hub seal Outer bearing cone HM212049 Outer bearing cup HM212011 3 spoke spider hub Steel hub 10 x 225pcd Steel hub 8 x 225pcd Steel hub 8 x 275pcd Alum hub 8 x 275pcd pre set Wheelnut ISO Inner bearing cone HM218248 Inner bearing cup HM218210 Spindle nut Spindle lockwasher Spindle locknut Locktab washer Hub cap gasket 6 hole Hub cap grease 6 hole Hub cap oil 6 hole Hub cap grease 3
21. ption Wheel stud Wheel stud Japanese RH Wheel stud Japanese LH Hub seal Outer bearing cone HM212049 Outer bearing cup HM21201 1 3 spoke spider hub Steel hub 6 x 222pcd Steel hub 10 x 225pcd Wheel clamp Wheel nut Wheel nut Japanese RH Wheel nut Japanese LH Inner bearing cone HM218248 Inner bearing cup HM218210 Spindle nut Spindle lockwasher Spindle locknut Locktab washer Hub cap gasket 6 hole Hub cap oil 6 hole Hub cap grease 6 hole Hub cap grease 3 hole 49HB5 16UNC1 00 Hub cap stud 5 8 UNC 49HBM08125025P Hub cap stud M8 Item Part No 1 79787581 79786506 79786507 2 79786114 3 79786510 1 79786510 2 4 7927140 79787595 79792161 5 793314 6 79787582 79790001 79790002 7 79786117 01 79786117 02 8 79502461 9 79501123 10 79502462 11 79790044 12 79787719 13 79501785 79501715 79786215 14 15 49AW5 16P 16 7960328 6 79787598 79787900 79792164 17 79502904 02 79502904 01 18 79502246 02 79502263 02 Steel stud hubs do not include bearing cups Axleservice 200905 Washer hub cap stud Brake drum spider Brake drum 6x222pcd 311x178 Brake drum 6x222pcd 311x127 Brake drum 10 x 225pcd Brake shoe unlined 311x178 Brake shoe unlined 311x127 Lined brake shoe 311x178 Lined brake shoe 311x127 wheel studs or wheel nuts Item PartNo 19 79501570 02 79501572 02 20 79501568 02 79501571 02 21 79502245 22 79501551 24 79787997 26 79501576 27 795015
22. stall and secure clevis pins Turn nut CW until shoes contact the 4 _ FITS OVER S CAM 5 INSTALL brake drum AUTOSLACK 8 Back off Hex nut one half turn CCW to complete setup ADJUSTER Actuation Rod Movement a 1 4 TURN 1 2 13mm ROD MOVEMENT The Actuation rod will move as a slight force is used to turn the a adjusting Shaft hex 1 4 of a turn will cause full movement of the d a Actuation Rod Full movement of the Actuation rod is about 1 2 why ad Clockwise CW movement of the Adjusting Shaft Hex will al move the Actuation Rod into the Slack Body co eme Counter Clockwise CCW movement of the Adjusting Shaft aed Hex will move the Actuation Rod out of the Slack Body E Replace Autoslack if Actuation rod does not move Gear Movement amp Front Torque 75 IN LB MAX Using a torque wrench rotate Adjusting hex nut through 6 full revolu 8 5N mi tions Front Torque will increase to a peak value then return to zero 7 al several times on each revolution Ball ff E The spline should rotate about 90 degrees So The Front CW Torque should be less than 75 in lbs 8 5 Nm CW 6 FULL TURNS Replace Autoslack if spline does not rotate or if torque 90 GEAR readings are greater than 75 in lbs 8 5Nm ROTATION Back Torque Assemble a crewson brunner clevis to the Autoslack Body and the Actuation Rod with the clevis pins Using a torque wrench
23. turn the hub to Preset configuration replace all manual adjust cups cones and seal with the PreSet parts listed in the Part Number Identification chart Next install the hub with the spacer following the instructions for Installation on page 7 Hubs with Manually Adjusted Bearings HUB MAINTENANCE 1 Clean and inspect the wheel bearings and seal bore each time the hub is removed or when contamination is evident Replace damaged bearings and cups as a unit see Bearing Cup Replacement 2 See axle manufacturers publications for lubrication requirements and bearing service intervals Axleservice 200905 Page 5 Wheel Stud Removal DETERMINATION OF DAMAGED WHEEL STUDS 1 Replace wheel studs that have damaged or distorted threads are broken or bent or are badly corroded Also replace the stud either side of the stud being replaced due to damage If two or more studs have damage replace all the studs in the hub 2 Always use appropriate safety equipment and take appropriate safety precautions for the job Safety glasses gloves ear protection etc will be necessary depending on the equipment and process WHEEL STUD REMOVAL 1 Place the clean hub on a press with the hub supported evenly around and adjacent to the stud being removed 2 Be sure the hub supported so that it will not tip when force is applied to the stud Then press the stud out of the hub The configuration of some hubs is such that it is impractica

YORK TRAILER AXLE SERVICE MANUAL

Contents

Download Pdf Manuals

Related Search

Related Contents