Front Axle - Hansen Web Design
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1. L LINE MOTOR TRUCK SERVICE MANUAL Ec m Clamp ey y Tie rod Ky wah eae eae UN SAA Z x Me AN OA n O Spring Tie rod end Ball seat Fig 3 Details of tie rod end SS A 22204 Tie Rod Fig 3 Tie rod is of three piece construction consisting of two rod end assemblies Rod is threaded intoends and locked with clamp bolts Right and left hand threads are provided to facilitate toe in adjustment The rod ends are self adjusting and requireno attention in serv ice other than periodic lubrication and occa sionalinspection to see that ball studs are tight in steering knuckle arms Proper adjustment can be effected by l Remove cotter key 2 Tighten adjusting plug until it bottoms or is snug 3 Loosen adjusting plug tothe nearest cotter keyhole not over 1 4 turn 4 Install new cotter key NOTE Always check and correct toe in of front wheels after any adjustment of tie rod ends Front Wheel Alignment Front wheels mustbe kept inproper align ment in order to assure ease of steering and satisfactory tire life Important factors of front wheel alignment are Toe in camber and axle caster These points should be checked occa sionally to guard against excessive tire wear Wheel Toe In Fig 4 Front wheel toe in is the setting of front wheels so that they are closer together at the front of the axle than at the rear Incorrect toe in of front wheels will result in r2. EH 4 En ckl pin inChnation 44 co woe 39 94 ODED eee 9 ode Ros PUE EX 9 O6 Ca ez 4 Retit ne kpuckle pin DUSHINGS 6 45 ee SHS KET RK ES HED TORS HES EDK OS 3 Steering knuckle pins and bearings ee Ge BS eR rnm iu oe l Steering knuckle stop screws cens TTL 25 9 Tie POd 34 2 i wow 4 Sw op WA Xo wis ee eee ee 3 RUE EI C eee eee T a ds 3 Wheel alpnrHent udo 460 4 43k o9 misi ise REC CRX EES EET GR d ceo ow SS 3 Wheel camber Lao eee Se we i aie oe ee cS P rrr 3 4 Wheel oesie sa erens NN Se Ee OR Oe Oe ee ee es TETTETETT 3 SECTION C Suggested wheel alignment trouble shooting chart eee t n PRINTED IN UNITED STATES OF AMERICA Donated by John amp Susan Hansen For Personal Use Only 0 02 b gt pid te eas FRONT AXLE SPECIFICATIONS Bs T oO e Amel ae ee caret ae Enuchie Dix Damad ENEN 1 110 1 110 1 110 1 234 1 234 1 484 1 359 1 359 sn 861 Knuckle Pin Diameter O S DEM EE 6 1 4 6 1 4 6 1 4 6 3 4 7 21 32 7 1 2 9 5 8 9 5 8 Knuckle Pin Length 1 21 32 Roller Roller Roller Roller Roller Roller 1 562 1 562 1 562 1 750 2 000 2 125 2 250 2 250 57 16 5 7 1 6 Knuckle Pin Thrust Bear ing Type Steering Knuckle Spindle FRONT AXLE MODEL F 160 F 170 F 270 F 280 F 360 F 580 F 553 F 653 F 750 F 751 Diameter At Inner Bearing Diam
3. Donated by John amp Susan Hansen For Personal Use Only AXLE FRONT S Ka R LINE MOTOR TRUCK SERVICE Se eciic tice Page 1 FRONT AXLE Specifications covering IHC F 553 A Front Axle for Truck Models R 1853 to RF 194 inclusive and the Timken FE 900 Front Axle for Truck Models R 190 to RF 210 inclusive are listed in the following chart FRONT AXLE SPECIFICATIONS FRONT AXLE MODEL FE 900 1 1 2 Tie Rod Diameter 1 1 8 Knuckle Pin Diameter 1 15 16 1 39 64 large end Knuckle Pin Length 4 21 32 9 3 4 Knuckle Pin Thrust Bearing Type Roller 2 3 8 Steering Knuckle Spindle Diameter At Inner Bearing Diameter 2 1 16 At Outer Bearing Diameter 1 5 16 1 3 4 I Beamrn Section 3 3 8x2 1 4 4x3 9 1 6 Alignment Data A Center of Steering Arm Ball to level of Spring Pad 4 1 16 4 3 4 B Spring Centers 31 1 8 3 1 8 E Camber at Rim Degrees Rcs F Knuckle Pin Inclination Degrees 49 5 1 29 G Caster Degrees 29 to 3 H Center of Steering Arm Ball to Center Line of I Beam a 0 o G a MN Toe In Measured from Thread Centers with Cambers and Caster according to Specifications 1 16 1 8 1 16 1 8 Key letters refer to illustrations appearing under Axle Front Section A page 3 L Line CTS 12 MARCH 1953 Supplemental pages for CTS 11 PRINTED IN UNITED STATES OF AMERICA Donated by John amp Susan Hansen For Personal Use Only Donated by John am
4. Tie rod end A 22487 Fig 2 Refitting Steering Knuckle Pin Bushings After ascertaining that steering knuckle bushings require replacement the following procedure will be found efficient and helpful For service stations doing a large volume of steering knuckle bushing service work there is a special set of installing arbors and burnishing tools available Reamers are not necessary with this equipment l Remove hub caps and grease caps 4 Remove spindle nut cotter keys and spindle nuts 3j Remove wheels inner bearings andgrease retainers from spindles 4 Remove dirt shield screws and shields 5 Remove bolts holding brake backing plate assemblies to steering knuckles Lay assemblies back over ends of axle I beams 6 Removetapered draw keys holding knuckle pins 7 Remove expansion plugs from top and bot tom of steering knuckles 8 Drive out knuckle pins Donated by John amp Susan Hansen For Personal Use Only AXLE FRONT Section A Page 2 9 Remove steering knuckles thrust bearings and any spacer shims present 10 Clean all parts thoroughly in kerosene or Stoddard Solvent 11 Remove old bushings using an arbor or drift 12 Install new bushings with the grease holes lined up with the lubricating holes in the steering knuckles Use an arbor press or vise for forcing the new bushings into place piloting with a proper size arbor 13 Line ream new bushings Use either special burni
5. apid tire wear Excessive toe in will pro duce a scuffing or feather edge at the inside edge of the tire tread Toe out will produce a like wear but at the outside of the tire tread C TREAD N B OF STEERING May BALL co fe Tem 5 KING PIN A 22202 Fig 4 Follow instructions of Tool Equipment Manufacturer for checking and correction of NOTE Always recheck toe in after any change in caster or camber angles or after any alteration in tie rod end adjustment Wheel Camber Fig 5 Front wheel camber is the inclination of the wheel from a vertical plane E CAMBER ANGLE VERTICAL LINE JHF KING PIN INCLINATION SPRING PAD STEERING ARM BALL A 22200 Fia 5 PRINTED IN UNITED STATES OF AMERICA Donated by John amp Susan Hansen For Personal Use Only L LINE MOTOR TRUCK SERVICE MANUAL AXLE FRONT Section A Page 3 Positive camber is an outward tilt or inclination of the wheel at the top Negative or reverse camber is an in ward tilt of the wheel at the top Axle Caster Fig 6 Caster is the amount of backward tilt at the top of the steering knuckle pin When the top of the knuckle pin is tilted to the rear the caster is positive When the top of the knuckle pin is tilted to the front the caster is negative The purpose of caster is to provide stabil ity of steering G CASTER ANGLE TAPERED WEDGE VERTICAL LINE A 22199 Tapered wedge plates are a
6. da ockcwo x de Ww wow os ws d edem A F 580 l LF 210 552272549 F 751 belt PPP ms F 580 L 220 Cos ce a eo wee Gt Tm Lelf5 24 4 4 RaR3e x c X o4 4 wow e e ox x F2560 Lhe 25 i wc d oye ox x os resisa LED opcs ee 4E ES Su we m EF 580 LE 220 ccc seve 25929 59 F 750 L 180 oo eek ee oH Be ees peewee F580 250 424549 wx ee nee ws oo eee F 750 1163 4429 4 wo PO ew 5 msaa aia Be 580 UF lt 230 1 24 3344 43 44 9344x 49 xmas INDEX Page Front axle SpeciltiCcationS 66 ec OK HEED HERE HESS CSE DEE EES Wow pory 2 SECTION A F 160 F 170 FRONT AXLES Axle caster Pu RS uU ee E E UN P fae b woe SS eee eee ee 3 Knuckle pin no LlinablOB x44 ox deo eodd SOSH OEDT ETRE we CREE oe ub Ee Oe A 3 Rehtung knuckle pin bushings lt 6 xk 49k TOK BERD o Oe e 4 ow 4 5 wx d d 1 8 Steering knuckle pins and bearings AMEE Ge BEE GREYS 6 8 w Br Steering knuckle st p SCTEWS i sos 4 3 ox 3 0E 304 dox po e ESS EO DOD Se wow Oe T16 rod oux G TTC TIT FOR 94 au 9x us e Wheelabhpnineti 222 40e wx RUE OX UR RED YEE wR DCS Ow UK KC os Lo RUE ee ue oh G8 2 Wheel Camber s seeds sad pe sn o3 ws ee Wow Wow qe RIA dob m ES o 6 9 o9 9 9 3 Wheel QOGVIM uo cx y Le CERRO 9 d eR dE OE SOR OR RI we SS L ee e 3 SECTION B F 270 F 280 F 360 F 580 F 553 F 653 F 750 F 751 FRONT AXLES ASIC GAStE 26 6 ck 6 OU EW Sa 9o Ew SER We x X Rex X 9 RU Be OE 9
7. eter At Outer Bearing Diameter 9377 937 1 1875 1 750 9 2 1 4 2 7 16 2 11 16 3 3 13 16 3 3 4 3 3 4 I Beam Section x x x x x x x 1 11 16 1 13 16 1 7 8 2 1 8 2 1 2 2 3 4 2 3 4 Alignment Data A Center of Steering Arm Ball To Level of Spring Pad 4 9 32 4 21 32 4 21 32 E LZ r1 lt OQ pm O A A C O IN Un 71 A lt C T1 lt gt Z Z gt B Spring Centers 31 1 8 31 178 Degrees Won o n qo f 4o 49 g ton wo e e go go go go go go G Caster Degree 210 39 2 to 39 H Center of Steering Arm Ball to Center Line of I Beam MN Toe In Measured From Tread Centers With Camber and Caster According to Specifications o 1 8 to 1 16 to 1 16 to 1 16 to 1 16 to 1 16 to 1 16 to 1 16 to 1 16 to 3 16 1 8 1 8 1 8 1 8 1 8 1 8 1 8 1 8 L LINE MOTOR TRUCK SERVICE MANUAL Donated by John amp Susan Hansen For Personal Use Only AXLE FRONT Section A Page l FRONT AXLES F 160 F 170 Steering Knuckle Pins and Bearings See Figs 1 and 2 Steering knuckle thrust bearings located between knuckles and lower faces of I beam support the entire front end load The end play must be kept within proper limits to prevent excessive wear The use of spacing washers to correct this condition is described in sub sequent paragraphs A tapered draw key
8. ings using an arbor or drift 12 Install new bushings with the grease holes lined up with the lubricating holes in the steering knuckles Use an arbor press or vise for forcing the new bushings into place piloting with a proper size arbor Donated by John amp Susan Hansen For Personal Use Only AN AXLE FRONT MIA Section B L LINE MOTOR TRUCK SERVICE MANUAL Page 2 VV 13 Line ream new bushings Use either a 20 Install new grease seals reamer equipped to pilot in one bushing while reaming the other or a reamer long 21 Install wheels and spindle nuts Rotate enough to ream both bushings at the same wheel by hand while tightening nut until time drag or bind is felt Back off nut to first castellation and install new cotter key 14 Install steering knuckles thrust bearings spacer shims as required and knuckle 22 Install grease caps and hub caps pins 23 Lubricate steering knuckle bushings 15 Install knuckle pin draw key and tighten securely 24 Check and correct toe in of wheels 16 Replace caps ontop and bottom of steering Steering Knuckle Stop Screws knuckles Adjustable stopscrews insteering knuckles 17 Place brake backing plates in position and limit movement of front wheels when turning install bolts Tighten bolts securely and prevent tires from rubbing against nearest pointon chassis and prevent steering gear rom 18 Install dirt shields and holding screws bottoming These screws should be adj
9. les Seals at top and bottom consist of gasket and plate held in position by flat head screws and lockwashers Cap and n Spacing washer gaske Lubricator Steering knuckle A 22542 Refitting Steering Knuckle Pin Bushings For service stations doing a large volume of steering knuckle bushing service work there is a special set of installing arbors and bur nishing tools available Reamers are not nec essary with this equipment After ascertaining that steering knuckle bushings require replacement the following procedure will be found efficient and hefpful l Remove hub caps and grease caps PRINTED IN UNITED STATES OF AMERICA ire e EY RE x E Stcern ear ERR e STI Va JA Steering gear dm 1 2 E bo s Lubricators Steering knuckle Steering and ioa A 22468 Fig 2 Showing details of relay lever relay link and drag link 2 Remove spindle nut cotter keys and spindle nuts 3 Remove wheels inner bearings and grease retainers from spindles 4 Remove dirt shield screws and shields 5 Remove bolts holding brake backing plate assemblies to steering knuckles 6 Remove tapered draw keys holding knuckle pins 7 Remove caps from top and bottom ofsteer ing knuckles 8 Drive out knuckle pins 9 Remove steering knuckles thrust bearings and spacer shims 10 Clean all parts thoroughly in kerosene or Stoddard Solvent 11 Remove old bush
10. p Susan Hansen For Personal Use Only AXLE FRONT Specifications L LINE MOTOR TRUCK SERVICE MANUAL oe a Page 1 FRONT AXLE GROUP Motor truck models and their corresponding frent axle models are shown in the following list Axle model specifications will be found on page 2 of this section TRUCK MODEL AXLE MODEL TRUCK MODEL AXLE MODEL LellOU 4 32 5 eee ee eee ee i dl OR F 160 L 184 F 580 Le120 i4a34 3 5 UE 35 wo db us d e og F 170 L 185 9 owe os Fo 4 ws F 580 LIMITS vive eee eee Best ee ee es F 170 LC 180 v Pos dudo 9x s DOE Ls130 552 5545 n se H ITOLLbe190 45 52999 45 x amp F 553 LBel4U 6 sae Ge CGR ERD TEES RO DD F 170 L 193 la ee a ror wx 4 x 3 F 553 Lel150 v we OG Pod ab ewe wee F 280 L 194 oe yee d ao A M dk se ee FH553 Lel 44e wow od md Ww 6 ow LS EORR Fe2801 1 195 4 ww xu ws F 553 LM 150 4 doo eo REL gg o Ok Be 3 Fe210 LGel90 445 242 9299 C ages F 553 I2ebB0 serri tnd cx eA XO 0 Ow Fe360 lLEe190 1 425534 3 4 xw 9s F 553 Gelb jo oe hoe Caw oe ee He sonaa Be300 e200 14 29 4 3X x d wad ow y dca ow d F 653 Leld 2244 0 308 x9 X 979 3 R E3601 Le204 21 5 xx3 x334 X 3 94423 F 653 Lelo 664 259 E ek Pee SUR eee ae BEe360 Le205 2 9 5 be whee State ESOS elo pees age ee edo ese Bee eee FS3001 LCOs200 56 4 00866 eed os c ko x d SD F 653 elt osaa ew oe eR EC ES cae oe R 590 Le210 5 5 TUTTI F 751l belts
11. rrection of toe in NOTE Always recheck toe in after any change in caster or camber angles or after any alteration in tie rod end adjustment Wheel Camber Fig 7 Front wheel camber is the inclination of the wheel from a vertical plane Positive camber is an outward tilt or in clination of the wheel at the top Donated by John amp Susan Hansen For Personal Use Only AXLE FRONT uod B L LINE MOTOR TRUCK SERVICE MANUAL age Negative or reverse camber is an in ward tilt of the wheel at the top Axle Caster Fig 8 Caster is the amount of backward tilt at the top of the steering knuckle kingpin When the top of the knuckle pin is tilted to the rear the caster is positive When the top of the knuckle pin is tilted to the front the caster is negative The purpose of caster is to provide sta bility of steering Tapered wedge plates are available for use in altering the caster angle They are to be installed between the springs and axle spring seats Installation of the tapered wedge with the thick end toward the rear will produce increased caster If installed with thick end toward the front decreased caster will result Knuckle Pin Inclination Fig 7 The angle which the kingpin makes with the vertical is known as kingpin inclination F CAMBER ANGLE VERTICAL LINE TFF KING PIN INCLINATION SPRING PAD STEERING ARM BALL A 22200 Donated by John amp Susan Hansen For Per
12. shing equipment or a reamer equipped to pilot in one bushing while reamingthe other ora reamer long enough to ream both bushings at the same time 14 Install steering knuckles thrust bearings spacer shims as required and knuckle pins 15 Install knuckle pin draw key and tighten securely NOTE Draw key nut and lock washer should be located on front side of axle 16 Insert expansion plugs in top and bottom of steering knuckles Expand into recess by striking with a hammer 17 Place brake backing plates in position and install bolts Tighten bolts securely 18 Install dirt shields and holding screws 19 Clean and repack front wheel bearings 20 Install new grease seals 21 Install wheels and spindle nuts Rotate wheel by hand while tightening nut until drag or bind is felt Back off nut to first castellation and install new cotter key 22 Install grease caps and hub caps 23 Lubricate steering knuckle bushings 24 Check and correct toe in of wheels Steering Knuckle Stop Screws Adjustable stop screws in steering knuckle limit movement of front wheels when turning and prevent tires from rubbing against nearest point on chassis and to prevent steering gear from bottoming These screws should be ad justed sothere willbe ample clearance between front tires and nearest point on chassis when wheels are turned to extreme rightor leftunder any conditions NOTE This should be checked when tire size is changed
13. sonal Use Only L LINE MOTOR TRUCK SERVICE MANUAL AXLE FRONT Section C Page 1 SUGGESTED WHEEL ALIGNMENT TROUBLE SHOOTING CHART Remember that all alignment angles are so closely related that any change of one will auto matically change the others Because of this fact it will probably be found that there is more than one cause for the complaint The following COMPLAINT Shimmy Generally exists at speeds below 1 aam o gp 30 miles per hour te d e le g h i j k 2 High Speed Wheel Tramp a Generally exists at speeds above b 35 miles per hour Wander or Weave 3 Oo p Se roma qr rrt lag fing ying fling Doa Oo 20 l2 c m P anm Som T onm sme Den pn yn H HOW o Hg 4 eur ur a re e s e i ae fer CN qr fg fn pln pn 4 Hard Steering Uneven Tire Wear 5 PRINTED IN UNITED STATES OF AMERICA list is not all encompassing but is representative of the more common causes of difficulty en countered in wheel and axle alignment and should prove of value in locating and correcting com plaints on steering or tire wear POSSIBLE CAUSE Tire pressure incorrect Tires of unequal size or weight Wheel bearings loose Steering arms loose Steering gear loose Too much caster Drag link ends loose Drag link springs weak or broken Spring shackles loose Kingpins and bushings worn Tie rod ends loose Tire and
14. uckle arms Spring PA Tie rod end MA a B Lok dni Felt 2 ye a a IU WN iG A Sy i Tie rod P Sh hed Spring Ball seat A 22528 Fig 4 Tie rod assembly Models F 270 F 280 F 360 Cover spring Ball seat Wedge Cover Tie rod end a ring Fig 5 Tie rod assembly Models F 553 F 653 F 750 F 75l A 22551 F 5 80 Front Wheel Alignment Frontwheels must be keptin proper align ment in order to assure ease of steering and PRINTED IN UNITED STATES OF AMERICA Donated by John amp Susan Hansen For Personal Use Only L LINE MOTOR TRUCK SERVICE MANUAL AXLE FRONT Section B Page 3 Important factors of satisfactory tire life Toe in camber front wheel alignment are and axle caster These points should be checked occasion ally to guard against excessive tire wear C TREAD N B OF STEER ARM teed H be a COF AXLE D CIOC KING Piy rr KING PIN A 22202 Fig 6 Wheel Toe In Fig 6 Front wheel toe in is the setting of front wheels so that they are closer together at the front of the axle than at the rear Incorrect toe in of front wheels will re sult in rapid tire wear Excessive toe in will produce a scuffing or feather edge at the in side edge of the tire tread Toe out will pro duce a like wear but at the outside of the tire tread Follow instructions of Tool Equipment Manufacturer for checking and co
15. usted so there will be ample clearance between front 19 Clean and repack front wheel bearings lires and nearest point on chassis when wheels Lubricator Relay lever Relay lever bracket and shaft assembly ZS g T Steering gear Pa elay lin XN p UC ES stud ball i N Frame side Drag link Pu gt Steering gear rail stud ball A bracket Frame side rail Lubricator 7 Steering in fa arm Relay lever bracket sx H i Li a 2 vs Proa T PO teat tf Relay lever Lubricators Drag link A A 21748 Fig 3 Front axle linkage and steering gear for L 190 Series and up are turned to extreme right or left under any conditions NOTE This should always be checked when tire size is changed Linkage for Models L 190 and Up Figs 2 and 3 Figs 2 and 3 illustrate front axle linkage with the steering gear for models L 190 series and up In order to maintain the proper degree of angle on steering column for best riding and driving comfort the relay lever assembly is used Tie Rod Figs 4 and 5 Tie rod is of three piece construction consisting of two rod end assemblies and tube Rod is threadedinto ends andlocked with clamp bolts Right and left hand threads are provided to facilitate toe in adjustment The rod ends are self adjusting and require no attention in service other than periodic lubrication and occasional inspection to see that ball studs are tight in steering kn
16. vailable for use in altering the caster angle They are to be installed between the springs and axle spring seats Installation with the thick end toward the rear will produce increased caster If in stalled with thick end toward the front will decrease caster Knuckle Pin Inclination Fig 5 The angle whichthe kingpin makes with the vertical is known as kingpin inclination Donated by John amp Susan Hansen For Personal Use Only Donated by John amp Susan Hansen For Personal Use Only L LINE MOTOR TRUCK SERVICE MANUAL AXLE FRONT Section B Page 1l FRONT AXLES F 270 F 280 F 360 F 580 F 553 F 653 F 750 F 751 Steering Knuckle Pins and Bearings See Figs 1 and 2 Steering knuckle thrust bearings located between knuckles and lower faces of I beam support the entire front end load The end play must be kept within proper limits to prevent excessive wear The use of spacing washers to correct this condition is described in sub sequent paragraphs A tapered draw key with nut and lockwasher hold knuckle pin rigidly in end of I beam The draw keys should be inspected occa sionally to assure their being tight If one be comes loosened knuckle pin hole as well as draw key hole will become worn and necessitate replacing of I beam Steering knuckle pins and bushings are available in sets to facilitate replacement service Bronze bushings are used in steering knuckle at upper and lower knuckle pin ho
17. wheel assemblies out of balance Shock absorbers ineffective Tire pressure incorrect Tires of unequal size Bent spindle Wheel bearings loose Kingpins and bushings worn Kingpins bent Kingpins tight Pitman arm loose Steering gear assembly too tight or too loose Too little caster Too much or too little camber Too much or too little toe in Drag link ends tight Drag link springs weak or broken Tie rod ends too tight or too loose Front axle bent Front axle shifted Springs broken Rear axle shifted Rear axle housing bent Frame diamond shaped Tire pressure low Wheel spindle bent Kingpin assembly poor fit Steering assembly too tight Tie rod ends tight Caster excessive Tire pressure low Excessive camber Wheels out of balance Tires overloaded Eccentric wheels or rims Caster incorrect Toe in incorrect Donated by John amp Susan Hansen For Personal Use Only
18. with nut and lockwasher hold knuckle pin rigidly in end of I beam The draw keys should be inspected occa sionally to assure their being tight If one becomes loosened knuckle pin hole as well as draw key hole will become worn and necessitate replacing or machining of I beam Steering knuckle pins and bushings are available in sets to facilitate replacement Service Oversize steering knuckle pins are avail able for use if the I beam hole has been worn Installation of oversize pins necessitate ream ing hole in the I beam and bushings to the new diameter Bronze bushings are used in steering knuckle at upper and lower knuckle pin holes Seals at top and bottom consist of expansion plugs pressed into steering knuckle Removal of expansion plugs can be readily accomplished by drilling a 1 4 hole through one of the plugs Remove knuckle pin draw key Insert a punch in hole in expansion plug and drive pin against opposite plug forcing it fromits recess Reverse direction ofpin trav el and force out drilled expansion plug Expansion plug Steering ZINN Lubricator Bushing Ne i of fF TIT aa IT Bearing Bushing Expansion plug Y Z hit FI 1j R2 c l beam Y A NS King pin m p Kips a Lubricator d S E A 22203 Fig PRINTED IN UNITED STATES OF AMERICA Drag link Shock absorber Lubricator Draw key f PT f Thrust bearing El Steering arm Lubricator ie rod
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