Hendrickson HXL5 Maintenance Procedures Download | Manualshive

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TECHNICAL

PROCEDURE

Trailer SuSpenSion SySTemS

HXl5

®

WHeel-enD SySTem

SuBJeCT:

Hub Maintenance Procedures

liT no:

T72007

DaTe:

March 2018

reViSion:

A

1
2
3
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Summary of Contents for HXL5

Page 1: ...TECHNICAL PROCEDURE Trailer Suspension Systems HXL5 WHEEL END SYSTEM SUBJECT Hub Maintenance Procedures LIT NO T72007 DATE March 2018 REVISION A ...

Page 2: ... Checking for Seal Leaks 7 Checking for Smooth Rotation 7 Checking End Play 7 Removing and Installing Hub 9 Hub Removal 9 Spindle Preparation 10 Preparing hub for re Installation 10 Installing Precision spindle nut system 12 Inspecting Hub Installation 13 Install Hubcap 13 Completing Installation 14 Additional Information 14 Hub SF Grease Dam 14 Torque Values 14 Wheel Stud Removal and Installation...

Page 3: ...Improper maintenance service or repair can cause damage to the vehicle and other property personal injury an unsafe operating condition and potentially void the manufacturer s warranty LINKS Links are identified by a dark grey line under the linked text Internal links allow the reader to jump to a heading step or page in this document External links open the website or document referenced GENERAL ...

Page 4: ...e EMAIL To contact Hendrickson Trailer Technical Services use the following e mail address HTTS Hendrickson intl com 1 If the in service date is unknown or not available the vehicle date of manufacture can be substituted PHONE Contact Hendrickson directly in the United States at 866 RIDEAIR 743 3247 From the menu select Technical Services Warranty for technical information Other selections include...

Page 5: ...blies The field serviceable HXL5 wheel end features Hendrickson authorized components Ductile iron aluminum or Dura Light Hub and premium seal Synthetic semi fluid grease Chevron Delo Synthetic Grease SF Hendrickson s PRECISION 240 Nut System on HN spindle or PRECISION320 Nut System on HP spindle DO NOT remove the hubcap or attempt any kind of field service without first CONTACTING HENDRICKSON Tra...

Page 6: ...List of required tools IMPORTANT Torque Table3 on page 14 cannot be properly applied with an ordinary wrench A calibrated torque wrench must be used to tighten fasteners to specified values INSPECTION At regular intervals the HXL5 hub assembly should be checked for seal leaks and smooth rotation WARNING Prior to performing inspection procedures help ensure conditions are safe by following section ...

Page 7: ...w to proceed CHECKING FOR SMOOTH ROTATION Many factors can effect smoothness of rotation Primary causes include Bearing wear Damaged hub seal Debris NOTE A reasonable assessment can be performed without removing tires and rims However this procedure is best performed with hub only as shown in Figure5 on page 8 1 Ensure trailer is secure per PREPARING TRAILER FOR SERVICE on page 5 2 Disengage brake...

Page 8: ...fully machined Any regions with scratches gouges or non cleanup should be avoided 6 Check indicator for free movement in both directions Lightly push and pull on indicator arm to verify plunger is free to move at least 005 in each direction If indicator bottoms out readjust until it is free to move 005 in both directions 7 Zero indicator Rotate and push hub Figure5 Checking inward end play 8 Grasp...

Page 9: ...ions are safe by following section PREPARING TRAILER FOR SERVICE on page 5 HUB REMOVAL Only after receiving proper authorization from Hendrickson Technical Services use the following procedure to remove the HXL5 hub assembly 1 Remove tire wheel assembly 2 Disengage brakes and If drum brake remove brake drum If ADB equipped remove the caliper 3 Remove hubcap screws and remove hubcap discard gasket ...

Page 10: ...o leak 5 Lubricate spindle bearing surfaces with clean Chevron Delo Synthetic Grease SF NOTICE To minimize fretting and damage to wheel end lubricate all components and applicable surfaces using the same lubricant PREPARING HUB FOR RE INSTALLATION The hub and bearings should be cleaned and inspected prior to installation CAUTION For safety reasons to prevent injury and damage to the hub and spindl...

Page 11: ...sufficient grease quantity bearing spalling and wheel end damage Hub Pre lubricated outer bearing SF grease dam Figure10 SF grease dam application 1 Taking care not to damage the seal gently slide the hub onto spindle until the seal is against the spindle seal journal Figure3 on page 7 NOTICE The HUB SEAL CAN BE DAMAGED if Hub seal is improperly installed Hub seal is rammed into the spindle bearin...

Page 12: ...AGED 1 Install precision spindle nut Figure11 onto the spindle toothed side out and hand tighten 2 Simultaneously rotate hub clockwise at least three revolutions while using a torque wrench to tighten precision spindle nut to 200 ft lbs 271 Nm of torque 3 Back off precision spindle nut 1 revolution 4 Rotate hub clockwise at least one full revolution 5 Tighten precision spindle nut to 50 ft lbs 68 ...

Page 13: ...d button head cap screws D Return to CHECKING END PLAY on page 7 If insufficient end play over clamped A Remove two cap screws and pull interlock washer away from nut but not off spindle B Back off spindle nut until next washer tooth is aligned C Reassemble interlock washer and button head cap screws D Return to CHECKING END PLAY on page 7 NOTE If the above steps have already been performed and en...

Page 14: ...Y on page 11 for instructions on how to use the Hub SF Grease Dam MAKING A HUB SF GREASE DAM To make a grease dam follow the instructions on the face of the template Figure14 on page 15 Use cardboard plastic or other flat stiff material TORQUE VALUES Table3 lists torque values for HXL5 wheel end fasteners FASTENER TORQUE ft lbs Nm Hubcap Screws 15 3 20 4 Hub fill port plug 22 2 30 3 PRECISION240 c...

Page 15: ...rom cardboard plastic or other flat stiff material 3 Use this grease dam when filling hub with semi fluid grease to 50 full level 4 Slide outer bearing over spindle and slide grease dam out while inseting bearing into hub For more details refer to TMC RP 631 For assistance contact Hendrickson Technical Services 866 RIDEAIR 743 3247 or in Canada at 800 668 5360 Figure14 Hub SF Grease Dam template ...

Page 16: ...LER COMMERCIAL VEHICLE SYSTEMS 2070 Industrial Place SE Canton OH 44707 2641 USA 866 RIDEAIR 743 3247 330 489 0045 Fax 800 696 4416 Hendrickson Canada 250 Chrysler Drive Unit 3 Brampton ON Canada L6S 6B6 800 668 5360 905 789 1030 Fax 905 789 1033 Hendrickson Mexicana Circuito El Marqués Sur 29 Parque Industrial El Marqués Pob El Colorado Municipio El Marqués Querétaro México C P 76246 52 442 296 3...

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