Service Manual for RAR
Contents
1. OVERSLUNG BEAM ASSEMBLIES Includes Monopivot bushing and Huckbolt pivot clamp fasteners factory assembled in welded beam component Warranty Ridewell Suspensions warrants the suspension systems manufactured by it to be free from defects in material and workmanship under proper use installation application and maintenance on highway trailers for a period of five 5 years with no mileage limit after delivery to the original purchaser The responsibility of Ridewell Suspensions under this non transferable warranty is limited to making good at the company factory by repair or replacement of any part or parts which it manufactures Written permission for any claim return must be first obtained from Authorized Ridewell personnel All returns must have transportation charges prepaid by the customer and accompanied with a complete written explanation of claimed defects and the circumstances of operational failure On all component parts not manufactured by Ridewell their warranty is to the extent that the manufacturer of such parts warrant them to Ridewell Suspensions This is the only authorized warranty and is in lieu of all other expressed or implied warranties or representations including any implied warranties of merchantability or fitness or of any obligations on the part of Ridewell Suspensions In no event will Ridewell be liable for business interruptions loss of profits personal injury cost of delay or for other special indirect i2. 25 pivot nut and remove anti turn washer if necessary b To move the axle turn the head of the eccentric bolt in the direction the axle is to be moved Maximum movement of the eccentric bolt pointing arrow from the 12 o clock position is to the 9 o clock or 3 o clock position The eccentric bolt pointing arrow should never be pointing below horizontal C With eccentric bolts at their final setting install anti turn washers over the bolt heads and weld to hangers See Figure 3 d Torque the pivot nuts to 1 000 ft Ibs Note Torque the pivot nuts with the suspension at ride height to prevent pre stressing the rubber pivot bushing Note It is imperative that the pivot nuts be fully torqued prior to placing the trailer into service Failure to torque the pivot nuts will lead to slippage of the pivot joint causing rapid wear of the hanger holes and the bushing sleeve and ultimately leading to catastrophic failure of the suspension A tag on the suspension and a label in the carton of parts are provided to specify the torque of all the suspension fasteners see Figure 4 The label should be adhered to the trailer frame above the suspension Warranty coverage of the suspension is void if the pivot nuts are not fully torqued e Final check the alignment measurements and re adjust if necessary 4 Align the aft axle s to the forward axle to within 1 16 using the same procedure See Figure 2 Figure 1 Figure 2 YOUR SUSPENSION WILL
3. HAVE THIS LABEL ABOVE THE ECCENTRIC BOLT NOTICE ECCENTRIC BOLT ARROW MUST BE AT 12 O CLOCK POSITION PRIOR TO ALIGNMENT AFTER ALIGNMENT INSTALL ANTI TURN WASHER OVER HEAD OF BOLT AND TORQUE TO 1 000 FT LBS Figure 3 1 4 FILLET WELDS 1 LONG AFTER AXLE IS ALIGNED Torque Requirements C i RIDEWELL SUSPENSION TORQUE CHART I m TORQUE 1 e 9 Lope suspension fasteners ARE NOT at design wi 55 a nai 3 8 1 Suspension installer must tighten all fasteners et t NS to design torque at the time of installation e 4 v I Refer to the suspension drawing and or the 4 torque chart on this tag for further details 4 After suspension has been in operation for approximately 6 000 miles 10 000 km I all fasteners must be re tightened to specified torque Repeat every 50 000 miles 80 000 mm am EH mm DO NOT OVER TORQUE I EE NE HE ONE E mm Design torque on all suspension fasteners must be SET AND MAINTAINED BY INSTALLER Figure 4 1990017 W This torque label included RIDEWELL in the carton of parts should MONOPIVOT 240 BOLT TORQUE Pe adhered to the chassis MINIMUM SPECIFICATIONS above the suspension ECCENTRIC PIVOT BOLT 1 000 FT LBS 1 350 Nem SHOCK BOLT 160 FT LBS 220 Nem AIR SPRING CONNECTION
4. axle track widths as shown below with standard wheel end equipment Installation at wider beam centers will reduce suspension clearances installation at narrower beam centers will de rate the axle beam capacity per the axle manufacturer s specifications For non standard beam centers frames frame centers axle track or wheel end equipment the installer is responsible for verifying clearances axle capacity proper fit up and any additional required support structure Standard Trailer Dimensions Trailer Width Axle Track Frame Centers Beam Centers Air Spring Centers ns 3 3 3 CHART 1 TIRE LOADED RADIUS tatic Tubeless Radius 215 75R17 5 14 PAA 8 5R17 5 235 75R17 5 gs 9R17 5 225 70R19 5 mec OT 10R17 5 245 70R19 5 65 70R19 5 85 70R19 5 14 5 15 15 5 16 16 1305 70R19 5 16 5 8R22 5 255 70R22 245 75R22 1 1 235 80R22 zz 275 70R22 ESE 265 75R22 255 80R22 CES xx 295 75R22 275 80R22 resa 295 80R22 315 80R22 285 75R24 275 80R24 385 65R22 17 17 17 17 5 18 18 305 70 22 18 a 19 19 19 5 19 5 19 5 19 5 19 5 N N ayo ayo alala Installation General 1 See the applicable RAR 240 engineering drawing for all dimensional requirements part numbers assembly details torque values etc referred to in the installation procedures 2 The exact s
5. fit up 2 Frame cross members should be located as shown on the drawing 3 Fabricate filler plates approximately as shown on the drawing and weld to the crossmembers with 4 fillet welds it is recommended to place welds down the length of the crossmember not across it and butt weld to frames At the hanger a single large filler plate in place of the two small ones may be preferable 4 Locate and weld the hangers to the frame and filler plates with 14 fillet welds Stop welds approximately 72 from corners and edges A 1 5 diameter piece of pipe may be placed through the holes in the hangers during this step as a stabilizer and aligning aide 5 Weld the air spring support plate to the frame and filler plate in similar fashion with 2 16 fillet welds 6 If required locate a crossmember or diagonal braces to the front of the hangers as shown on the drawing and attach with Ya fillet welds 7 All welds to be 70 ksi min tensile strength GMAW or FCAW recommended 8 Assemble air springs and shock absorbers per the drawing Axle Alignment The RAR 240 suspension is equipped for simple manual alignment of the axles There is 1 4 of available adjust ment at each hanger 1 Prior to alignment ensure all the eccentric bolt pointing arrows are at the 12 o clock position See Figure 1 2 Align the forward axle to the center of the kingpin to within s See Figure 2 3 Alignment procedure a Loosen the 1
6. 3 4 50 FT LBS 70 Nem AIR SPRING CONNECTION 1 2 25 FT LBS 35 Nem After suspension has been in operation for approximately 6 000 miles 10 000 km all fasteners must be re tightened to specified torque Repeat every 50 000 miles 80 000 km DO NOT OVER TORQUE See Service Manual for Details Height Control System Installation Install the appropriate height control valve linkages etc per the Extreme Air Height Control Valve Installation and Operations Guide for model RAR 240 Bushing Check Procedure The bushings in the RAR 240 suspension should be checked during any scheduled maintenance or any time there is a suspected problem Bushing problems can arise from breakdown of the natural rubber over time or in a severe application by failure of the bond between the rubber and the metal inner sleeve The bushings should be checked if any of the following conditions are observed 1 Uneven tire wear 2 Abnormal forward aft or lateral movement of the axle during operation 3 Rapid degradation of wear washers 4 Abnormal noises coming from the suspension To check insert the flat end of a pry bar between the sidewall of the hanger and the eye of the beam Applying moderate side load to the pry bar look for any relatively large or easy movement of the beam in relation to the hanger Note that a small amount of movement under load due to deflection of the rubber is normal and acceptable Repeat the process on the other s
7. 7744D113 FOR PART NUMBERS NOT SPECIFIED PLEASE SEE APPLICABLE ENGINEERING DRAWING OR CONTACT RIDEWELL FOR ASSISTANCE Figure 7 Manufactured After 10 1 95 RAR 240 OVERSLUNG SUSPENSION 25 000 LB CAPACITY HANGER ASSEMBLY 1150033 SECURELOK NUT 9 Se _ ECCENTRIC BOLT 3 90050928000 ANTI TURN WASHER SHOCK ATTACHMENT HARDWARE 1147698B105 BOLT 71502098105 NUT 1167140B100 AIR SPRING ATTACHMENT HARDWARE 11453838105 BOLT 71605568100 WASHER 03 WASHER 11502098105 0 NUT BUSHING REPLACEMENT KIT ITEMS 2 ECCENTRIC BOLT 2 SECURELOK NUT 2 ANTI TURN WASHER 2 PIVOT BUSHING 2 WEAR WASHER STD 4 FOR TANKER SPECIAL 4 Ya BOLT WASHER AND NUT 1140604B108 2 J4 BOLT 6040029 KIT WITH 11176808075 BUSHING FOR STANDARD 25K RAR 240 6040071 KIT WITH 1110072 BUSHING FOR TANKER SPECIAL 25K RAR 240 ORDER ONE KIT PER AXLE AIR SPRING SPACER ASSEMBLY IF REQUIRED 7000407 AIR SPRING SUPPORT PLATE 1270563B003 SHOCK ABSORBER AIR SPRING 11176808075 PIVOT BUSHING 71676808000 WEAR WASHER TRAILING ARM BEAM ASSEMBLY USE 1260005 FOR 24077396515 amp 24077396517 FOR PART NUMBERS NOT SPECIFIED PLEASE SEE APPLICABLE ENGINEERING DRAWING OR CONTACT RIDEWELL FOR ASSISTANCE RAR 240 OVERSLUNG SUSPENSION 20 000 LB CAPACITY HANGER ASSEMBLY TRAILING ARM BEAM ASSEMBLY ASSEMBLY SAME AS 25K EXCEPT DIFFERENT STYLE HA
8. MATION OF MARTENSITIC OR BRITTLE METAL STRUCTURES IN THE FUSION LINE OR THE HEAT AFFECTED ZONE WHICH MAY CONTRIBUTE TO A PREMATURE FATIGUE FAILURE IN SERVICE 9 THE JOINT TO BE WELDED SHOULD BE POSITIONED IN THE FLAT OR HORIZONTAL POSITION 10 MULTIPLE PASS WELDING SHOULD BE USED ON THE BEAM AXLE CONNECTION USING THE FOLLOWING GUIDELINES TOTAL FILLET WELD SIZE SHOULD BE 0 5 INCH 11 MULTIPLE PASS WELD INITIATION AND TERMINATION SHOULD BE PERFORMED AS SHOWN ABOVE ALL SLAG MUST BE REMOVED BETWEEN PASSES BACKSTEP FILL ALL CRATERS EACH PASS MUST BE ACCOMPLISHED IN ONE OR TWO SEGMENTS NEVER START OR STOP WELDS AT THE END OF THE WELD JOINT START WELDS AT LEAST 1 FROM END AND BACKWELD OVER THE START WELDS MUST GO TO WITHIN 1 8 1 16 OF THE ENDS OF THE AXLE SEAT AND MUST NOT GO BEYOND OR AROUND THE ENDS 12 POST WELD PEENING RECOMMENDED BUT NOT REQUIRED NEEDLE PEEN THE ENTIRE TOE OF THE SECOND PASS INCLUDING AROUND THE ENDS OF THE AXLE SEAT HOLD THE NEEDLES PERPENDICULAR TO THE AXLE A UNIFORM DIMPLED PATTERN WILL APPEAR WHEN PROPERLY PEENED REVISED WELD DIMENSIONS B 10102 REVISED NOTES 11 AND 12 ADDED 215 TO LIST OF SUSPENSION MODELS COVERED RIDEWELL CORPORATION PO BOX 4586 SPRINGFIELD MISSOURI 65808 RIDEWELL WELD PROCESS 1 5 DIA AXLE 3 PASS WELD PART NO REV APPLICABLE SUSPENSION MODELS 200 225 240 245R 215 243 260 600 SHEET 1 OF 1 WELD PROCESS 1 Parts Ill
9. NGER amp BEAM BUSHING REPLACEMENT KIT 6040028 KIT WITH 11176808001 BUSHING FOR STD 30K RAR 24Q RAR 240 LKS SUSPENSION 25 000 LB CAPACITY HANGER ASSEMBLY TRAILING ARM BEAM ASSEMBLY ASSEMBLY SAME AS 25K EXCEPT DIFFERENT STYLE HANGER amp BEAM AND NOTE SHOCK ABSORBER ON OUTBOARD SIDE OF SUSPENSION BUSHING REPLACEMENT KIT 6040029 KIT WITH 1117680B075 BUSHING FOR STANDARD 25K LKS 6040071 KIT WITH 1110072 BUSHING FOR TANKER SPECIAL 25K LKS 11 Figure 8 RAR 240 YOKE SUSPENSION 25 000 LB amp 30 000 LB CAPACITY BUSHING SLEEVE WELDED INTO TRAILER FRAME oM AN N TRAILER FRAME 22 S E amp CROSSMEMBERS Ng 8990027 4 Nag PIVOT BUSHING ASSY ES INSTALLED IN SLEEVE D 7000407 w AIR SPRING SUPPORT PLATE 172205638003 SHOCK ABSORBER SHOCK ATTACHMENT HARDWARE ur 11476988105 BOLT ng AIR SPRING 11507098105 NUT 2 N AIR SPRING ATTACHMENT HARDWARE bech E 11453838105 BOLT 1160556B100 WASHER K Ng sa EN i 5450022 es Nag PIVOT BUSHING ASSY SECURELOK NUT 1167680B000 WEAR WASHER 71376948001 ECCENTRIC BOLT 9003092B000 ANTI TURN WASHER BUSHING REPLACEMENT KIT ITEMS 2 ECCENTRIC BOLT 2 SECURELOK NUT 2 ANTI TURN WASHER 2 PIVOT BUSHING 4 WEAR WASHER TRAILING ARM 6040011 KIT WITH 5450022 BUSHING ASSEMBLY BEAM ASSEMBLY FOR 25K AND 30K RAR 240 YOKE SUSPENSIONS ORDER ONE KIT PER AXLE FOR FART NUMBERS NO
10. RAR 240 Series Trailer Air Suspensions Owner s Manual RAR 240 overslung 11 1 2 24 mtg hts RAR 240 underslung 5 V2 16 mig MES RAR 240W yoke mount 6 9 1 2 mtg hts RIDEWELL SUSPENSIONS P O Box 4586 Springfield MO USA 65808 800 641 4122 Fax 417 833 4560 0810 www ridewellcorp com CONTENTS Height Control System Installation Bushing Check Procedure Bushing Replacement Procedure Maintenance Schedule eld Process Parts Illustration SUSPENSION IDENTIFICATION Ridewell Suspensions are identified by a metal tag attached to the left hand hanger that indicates part number revision level and serial number PARTS For optimum suspension performance order only Ridewell parts Replacement parts for Model RAR 240 are shown on pages 10 13 of this manual SALES SERVICE amp WARRANTY If you need assistance regarding this product please contact us and we will be glad to help you Mailing Address Shipping Address Phones Fax Email Ridewell Corporation Ridewell Corporation 800 641 4122 417 833 4565 P O Box 4586 3715 E Farm Rd 94 417 833 4560 fax Springfield MO 65808 Springfield MO 65803 info ridewellcorp com Pre Installation Notes 1 Suspensions are designed to operate within specific parameters Operating the suspension outside the design parameters may result in improper performance damaged equipment and voiding of the warranty The total operating cap
11. T SPECIFIED CLOCKING OF BUSHING ASSEMBLY PLEASE SEE APPLICABLE ENGINEERING DRAWING OR CONTACT RIDEWELL FOR ASSISTANCE 4 HORIZONTAL 45 4573 SEAM IN 5450022 BUSHING ASSEMBLY SEAM IN 8990027 BUSHING SLEEVE 12 RAR 240 Manufactured Before 10 1 95 25 000 Ib cap Overslung and Underslung Axle Seats SQUARE CLAMP ECCENTRIC BOLT ORIGINAL 9003092B000 1150555B112 1137694B000 RIGHT HAND HANGER ASS Y SEE CHART FOR No 1155648B108 LEFT HAND HANGER ASS Y SEE CHART FOR No 12705638003 1150709B105 1167140B100 1160673B000 1135873B105 9004565B000 BUSHING ASS Y 1117680B075 WEAR PLATE ORIGINAL 1167680B000 WEAR PLATE REPLACEMENT BUSHING REPLACEMENT KIT 6047680B060 ORDER 1 KIT PER AXLE LH HANGER ASSEMBLY RH HANGER ASSEMBLY SUSPENSION PART NO ECCENTRIC BOLT REPLACEMENT 9090005 1154700 1 2 7007670 000 3507679 000 1150709 105 AIR SPRING SEE CHART FOR No 1150709B105 1147698B105 LIVER SLUNG LOWER BEAM ASS Y RIGHT HAND SHOWN LEFT HAND OPPOSITE SEE CHART F R No LH ASSEMBLY BEAM COMPLETE RH ASSEMBLY BEAM COMPLETE UNDERSLUNG BEAM ASSEMBLIES 34576798000 CIF 3188 TALL 3457679B001 CIF 2 000 TALL UNDER SLUNG LOWER BEAM ASS Y RIGHT HAND SHOWN LEFT HAND OPPOSITE SEE CHART FOR No B PS 1160556B100 H 1140554B105 CIF 1 000 LONG 1150555B112 1147440B105 CIF 3 000 LONG AIR SPRING REPLACEMENT
12. T THE FATIGUE LIFE OF THE AXLE ALL WELDERS AND WELDING OPERATORS SHOULD BE CERTIFIED PER AMERICAN WELDING SOCIETY AWS D1 1 SECTION 5 PROCEDURES OR EQUAL RECOMMENDED WELDING METHODS ARE SHIELDED METAL ARC SMAW STICK GAS METAL ARC GMAW SOLID WIRE OR FLUX CORED ARC FCAW FLUX WIRE WELDING WHATEVER ELECTRODE AND METHOD USED MUST DEVELOP A MINIMIMUM WELD TENSILE STRENGTH OF 70 000 P S I REFER TO THE ELECTRODE MANUFACTURER S RECOMMENDATION FOR VOLTAGE CURRENT AND SHIELDING MEDIUM FOR THE DIAMETER ELECTRODE TO BE USED SO THE BEST FUSION AND MECHANICAL PROPERTIES CAN BE OBTAINED RECOMMENDED ELECTRODE IS E7018 IF SMAW IS USED RECOMMENDED ELECTRODE IS E70S 1 OR E70T 1 IF GMAW OR FCAW WELDING IS USED ALL ELECTRODES USED SHOULD MEET AWS SECTION 5 SPECIFICATIONS AND CLASSIFICATIONS FOR WELDING CARBON AND LOW ALLOY STEELS IF SMAW ELECTRODES STICK ARE USED THEY MUST BE NEW DRY FREE OF CONTAMINANTS AND COME FROM A STOCK THAT HAS BEEN PURCHASED AND STORED PER AWS SECTION 4 5 2 LOW HYDROGEN ELECTRODE STORAGE SPECIFICATIONS GROUND THE AXLE TO ONE OF THE ATTACHED AXLE PARTS SUCH AS THE AIR CHAMBER BRACKETS CAM BRACKETS OR BRAKE SPIDER NEVER GROUND THE AXLE TO A WHEEL OR HUB AS THE SPINDLE BEARING MAY SUSTAIN DAMAGE THE AXLE ASSEMBLY SHOULD BE AT A MINIMUM TEMPERATURE OF 60 DEGREES F 15 DEGREES C PRIOR TO WELDING PRE HEATING THE WELD ZONE TO THE AXLE MANUFACTURER S PRE HEAT TEMPERATURE IS RECOMMENDED THIS WILL MINIMIZE THE FOR
13. ace components as required Remove bushing assembly from bushing sleeve by grinding away the four welds on each end Install and center new bushing assembly into each bushing sleeve in frame Clock seam in sleeve to 45 5 See Figure 8 Weld one inch long at four places both sides equally spaced Allow steel to cool between welds to prevent damaging the bond between the rubber bushing and steel sleeve Also stagger welds to prevent head build up and distortion by welding top of sleeve at outbard side of frame then bottom of sleeve at inboard side of frame and moving around the sleeve in 90 increments Re assemble beams to frames with new UHMW polyethylene wear washers placed on both inboard and outboard sides of the bushing assembly See Figure 8 Align beam pivot holes to bushing sleeves and install new eccentric bolts and nuts It is recommended to coat the large diameter shank of the eccentric bolt with a thin layer of anti seize compound Take care to not get the anti seize compound on the threads of the bolt or nut or under the head of the bolt Check axle alignment and re align if necessary per the Axle Alignment Procedure Install new anti turn washers per Figure 3 Torque pivot nuts to 1 000 ft lbs with the suspension at ride height Re install shock absorbers Re install wheels and tires If necessary re connect air control valve linkage and adjust ride height per the Extreme Air Height Control Valve and Operati
14. acity of a suspension running gear system is determined by the component with the lowest load rating Please consult with the manufacturers of axles brakes tires and wheels to determine the maximum suspension system capacity The installer is responsible for ensuring that air volume requirements are met Consult Federal Motor Vehicle Safety Standards FMVSS 121 for more information Welding or altering suspension components is not permitted except where explicitly stated by Ridewell Corporation Configuration The Ridewell model RAR 240 suspension is designed to accommodate a range of ride heights for each specific model and can be used on a variety of axle types for various applications The following characteristics are commonly referenced for set up of the suspension 1 Ride Height also called Mounting Height The distance from the bottom of the trailer frame to the centerline of the axle Ride height is related to frame height the distance from the bottom of the frame to the ground by the following formula Ride Height Frame Height Loaded Tire Radius The loaded tire radius for common tire sizes can be found in Chart 1 2 Beam Centers The centerline to centerline distance from one axle seat to the other For the RAR 240 this is also the same as the centerline to centerline distance from one hanger to the other The RAR 240 is designed to fit up onto standard I beam trailer frames at beam centers that correspond to standard
15. equence of installation and assembly of the suspension installation of the height control system and completion of the axle alignment procedure is at the discretion of the trailer manufacturer Installation Axle to Suspension 1 A fixture to support the axle and suspension during the welding process is recommended Ridewell offers weld fixture 953386 2 Verify the beam centers and center the axle in the axle seats 3 For drum brake axles space the cam off the tail of the beam per the drawing and ensure that the brake chamber brackets are oriented properly For disc brake axles ensure that the caliper assemblies are oriented properly and are rotated to proper position 4 Check the gap between the axle and the bottom of the axle seat at each end of each seat No gap greater than 1 16 allowed before clamping After clamping the axle into the axle seats no gap is allowed 5 Weld the axle to the suspension trailing arms per Ridewell Weld Process 1 see page 9 Installation Suspension to Frame Note The procedure in this section is recommended by Ridewell Minor deviations from these guidelines are permitted especially in the details of welding the suspension to the trailer The installer has ultimate responsibility for attachment of the suspension to the trailer 1 Locate and mark the proper location of the suspension hangers and air spring plates on the trailer frame The frame must be clear in this area for proper suspension
16. ide of the hanger If large or easy movement is noted drop the beams down per the bushing replacement procedure for further inspection of the bushing and replace if necessary Bushing Replacement Procedure RAR 240 Underslung or Overslung Suspension 1 Raise and safely block up trailer and axle Remove wheels and tires Remove shock absorbers from suspension 2 Deflate air springs and if necessary disconnect air control valve linkage 10 11 12 13 Remove pivot nuts Remove anti turn washers from eccentric bolt heads by grinding away welds Turn each eccentric bolt until arrow is pointing straight up and remove Rotate trailing arm beams down and out of hangers Inspect pivot holes and hanger surfaces for unusual wear or damage Repair or replace components as required Remove Huckbolt fasteners from bushing clamp by cutting off the collar with a torch as shown in Figure 5 Note Huckbolt fasteners will be replaced by conventional bolts washers and nuts included in the bushing replacement kit Remove bushing assemblies Insert new bushing assemblies into the beam eyes Install bolts washers and nuts as shown in Figures 6 7 Torque the nuts to 190 ft lbs minimum while making sure that the bushing remains centered in the beam eye Ensure bushing clamp surfaces are closed metal to metal Final torque nuts to 280 ft lbs Re assemble beams to hangers with new UHMW polyethylene wear washers placed on the inboard s
17. ides of the beams Note Tanker Special suspensions have wear washers on both inboard and outboard sides of the beams Align bushing sleeves to hanger holes and install new eccentric bolts and nuts It is recommended to coat the large diameter shank of the eccentric bolt with a thin layer of anti seize compound Take care to not get the anti seize compound on the threads of the bolt or nut or under the head of the bolt Check axle alignment and re align if necessary per the Axle Alignment Procedure Install new anti turn washers per Figure 3 Torque pivot nuts to 1 000 ft lbs with the suspension at ride height Re install shock absorbers Re install wheels and tires If necessary re connect air control valve linkage and adjust ride height per the Extreme Air Height Control Valve and Operations Guide Figure 5 CUT HERE Bushing Replacement Procedure RAR 240 Yoke Suspension ly Raise and safely block up trailer and axle Remove wheels and tires Remove shock absorbers from suspension 2 Deflate air springs and if necessary disconnect air control valve linkage 10 11 12 13 Remove pivot nuts Remove anti turn washers from eccentric bolt heads by grinding away welds Turn each eccentric bolt until arrow is pointing straight up and remove Rotate trailing arm beams down and away from trailer frames Inspect trailing arm pivot holes and bushing sleeve surfaces for unusual wear or damage Repair or repl
18. ncidental or consequential losses costs or damages Subject to all of the above conditions if repair or replacement of any defective part is made by Ridewell Suspensions Ridewell will return the repaired or replaced part to the original purchaser with transportation charges prepaid 1 36 months 100 Parts amp Labor 37 60 months 100 Parts Only 14
19. ons Guide Maintenance Schedule To keep your Ridewell suspension in optimum working order we recommend following maintenance First 6 000 miles of operation Air Springs Ride Height Fastener Torque Inspect L Lubricate T Tighten R Replace Weld Process 1 5 SECOND 0 PASS 125 MAX 0 50 AXL BEAM AXLE SEAT BEAM AXLE SEAT BEAM AXLE SEAT BEAM AXLE SEAT WELD JOINT PREPARATION FIRST PASS SECOND PASS THIRD PASS ARC START ARC START THIRD PASS THIRD PASS NO WELD TOP OF AXLE SECOND PASS FIRST PA FIRST PASS 5 BS 1 0 TYP O WELD BOTTOM OF AXLE NO WELDING ZONE SMAW GMAW FCAW REPRESENTATIVE AXLE SEAT PROFILE DEPENDENT ON SUSPENSION PRODUCT WELD JOINT PREPARATION ALL GREASE DIRT PAINT SLAG OR OTHER CONTAMINANTS MUST BE REMOVED FROM THE WELD JOINT WITHOUT GOUGING THE AXLE TUBE INSURE THE LOWER BEAM ASSEMBLY FITS THE AXLE WITH A ROOT GAP OF 0 125 INCH MAXIMUM BETWEEN THE AXLE AND THE BEAM AXLE SEAT AS ILLUSTRATED ABOVE IT IS RECOMMENDED TO C CLAMP THE AXLE TO AXLE BEAM SEAT PRIOR TO WELDING TO INSURE THAT PROPER CONTACT OCCURS BETWEEN THE AXLE AND THE BEAM SEAT SEE ILLUSTRATION BELOW WELDING PRECAUTIONS ALL WELDS MUST BE KEPT AWAY FROM THE TOP AND BOTTOM OF THE AXLE WHERE MAXIMUM STRESSES OCCUR THE NO WELD ZONES ARE ILLUSTRATED ABOVE DO NOT TEST WELD THE ARC ON ANY PART OF THE AXLE TUBE THIS CAN LEAD TO A SMALL CRACK THAT MAY EVENTUALLY GROW AND AFFEC
20. ustrations Figure 6 Manufactured After 10 1 95 RAR 240 UNDERSLUNG SUSPENSION 25 000 LB CAPACITY HANGER ASSEMBLY 1150033 SECURELOK NUT ECCENTRIC BOLT 9003092B000 ANTI TURN WASHER 71502098105 SHOCK ATTACHMENT HARDWARE 2 Ja NUT 71476988105 BOLT 71502098105 NUT AIR SPRING ATTACHMENT HARDWARE 11453836105 BOLT 71605568100 WASHER 71671408100 03 WASHER BUSHING REPLACEMENT KIT ITEMS 2 ECCENTRIC BOLT 2 SECURELOK NUT 2 ANTI TURN WASHER 2 PIVOT BUSHING 2 WEAR WASHER 4 Ja BOLT WASHER AND NUT 6040029 KIT WITH 11176808075 BUSHING FOR STANDARD 25K RAR 24Q ORDER ONE KIT PER AXLE RAR 240 UNDERSLUNG SUSPENSION 20 000 LB CAPACITY HANGER ASSEMBLY TRAILING ARM BEAM ASSEMBLY ASSEMBLY SAME AS 25K EXCEPT DIFFERENT STYLE HANGER amp BEAM BUSHING REPLACEMENT KIT 6040028 KIT WITH 11176808001 BUSHING FOR STD 30K RAR 240 10 70017238000 OR 700272448000 ALTERNATE AIR SPRING SUPPORT PLATE SEE BELOW FOR USAGE 7000407 STD AIR SPRING SUPPORT PLATE 1270563B003 SHOCK ABSORBER D 1117680B075 N _ PIVOT BUSHING 71676808000 WEAR WASHER P 11406048108 N 234 BOLT TRAILING ARM BEAM ASSEMBLY USE 1253069B000 FOR 2400014 USE 1260005 FOR 2407744D507 NO SHOCK FOR 2400054 AND 2400064 ALTERNATE AIR SPRING SUPPORT PLATE USAGE USE 270017238000 FOR 2404106 2404107 2404108 amp 24077440507 USE 7007244B000 FOR 240
Download Pdf Manuals
Related Search