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Summary of Contents for Ridewell Suspensions RAR-240 Series
- Page 1 RAR-240 Series Trailer Air-Ride Suspensions Owner’s Manual www.ridewellcorp.com P.O. Box 4586 Springfield, MO 65808 417.833.4565 417.833.4560 (fax) 0711...
- Page 2 Suspension Identifi cation: Ridewell Suspensions are identifi ed by a metal tag attached to the left-hand hanger that indicates part number, revision level, & serial number. Parts: For optimum suspension performance, order only Ridewell parts. Replacement parts for RAR-240 are shown on pages 13-16 of this manual.
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Page 3: Table Of Contents
RAR-240 Owner’s Manual Contents Pre-Installation Notes........................3 Configuration........................4 Installation - General......................4 Installation - Axle to Suspension..................5 Installation - Suspension to Frame..................5 Axle Alignment........................6 Torque Requirements......................8 Height Control System Installation..................9 Bushing Check Procedure....................9 Bushing Replacement Procedure...................10-11 Weld Process........................12 Parts Illustrations......................13-16 Maintenance Schedule......................17 Warranty.........................17 Pre-Installation Notes Suspensions are designed to operate within specifi... -
Page 4: Configuration
RAR-240 Owner’s Manual Chart 1 TIRE LOADED RADIUS Confi guration Th e Ridewell model RAR-240 suspension is designed to accommodate a range of ride heights for each specifi c model and can be used on a variety of axle types for various applications. Th e following characteristics are commonly referenced for set-up of the suspension: Ride Height (also called Mounting Height) - Th e distance from the bottom of the trailer frame to the centerline of the axle. -
Page 5: Installation - Axle To Suspension
RAR-240 Owner’s Manual Installation - Axle to Suspension A fi xture to support the axle and suspension during the welding process is recommended. Ridewell off ers weld fi xture 953386. Verify the beam centers and center the axle in the axle seats. For drum brake axles, space the cam off... -
Page 6: Axle Alignment
RAR-240 Owner’s Manual Axle Alignment Th e RAR-240 suspension is equipped for simple, manual alignment of the axles. Th ere is 1/4” of available adjustment at each hanger. Prior to alignment, ensure all the eccentric bolt pointing arrows are at the 12 o’ c lock position. See Figure 1. - Page 7 RAR-240 Owner’s Manual Figure 1 YOUR SUSPENSION WILL 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 I -TURN WASHER OVER HEAD OF BOLT AND TORQUE TO 1,OOO FT.
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Page 8: Torque Requirements
RAR-240 Owner’s Manual Torque Requirements Design torque on all suspension fasteners must be SET AND MAINTAINED BY INSTALLER. Figure 4 This torque label, included in the carton of parts, should be adhered to the chassis above the suspension. #1990017 MONOPIVOT 240 BOLT TORQUE MINIMUM SPECIFICATIONS ECCENTRIC PIVOT BOLT 1,000 FT. -
Page 9: Height Control System Installation
RAR-240 Owner’s Manual 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 Th e bushings in the RAR-240 suspension should be checked during any scheduled maintenance or any time there is a suspected problem. -
Page 10: Bushing Replacement Procedure
RAR-240 Owner’s Manual Bushing Replacement Procedure RAR-240 Underslung or Overslung Suspension Raise and safely block up trailer and axle. Remove wheels and tires. Remove shock absorbers from suspension. Defl ate air springs and, if necessary, disconnect air control valve linkage. Remove pivot nuts. - Page 11 RAR-240 Owner’s Manual Bushing Replacement Procedure RAR-240 Yoke Suspension Raise and safely block up trailer and axle. Remove wheels and tires. Remove shock absorbers from suspension. Defl ate air springs and, if necessary, disconnect air control valve linkage. Remove pivot nuts. Remove anti-turn washers from eccentric bolt heads by grinding away welds.
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Page 12: Weld Process
RAR-240 Owner’s Manual Weld Process #1 0.50 ROOT SECOND PASS PASS THIRD .125 MAX PASS AXLE AXLE AXLE AXLE 0.50 BEAM AXLE SEAT BEAM AXLE SEAT BEAM AXLE SEAT BEAM AXLE SEAT THIRD PASS WELD JOINT PREPARATION FIRST PASS SECOND PASS ARC START ARC START ARC STOP... -
Page 13: Parts Illustrations
RAR-240 Owner’s Manual Figure 6 - Manufactured After 10-1-95... - Page 14 RAR-240 Owner’s Manual Figure 7 - Manufactured After 10-1-95...
- Page 15 RAR-240 Owner’s Manual Figure 8...
- Page 16 RAR-240 Owner’s Manual...
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Page 17: Maintenance Schedule
Ridewell, their warranty is to the extent that the manufacturer of such parts warrant them to Ridewell Suspensions. Th is 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 fi...
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