Trailer Air Ride Suspension Systems - Transpec

SAFETY PROCEDURESSAFETY FIRSTBe sure to read and follow all installation and maintenamce procedures.WARNINGIf these procedures and specifications are not followed, damage to the suspension oraxle could occur. Failure to follow these procedures could result in an accident withconsequent injury.LIFTINGPractice safe lifting procedures. Consider size, shapeand weight of assemblies. Obtain help or the assistanceof a crane when lifting heavy assemblies. Make sure thepath of travel is clear.PARTS HANDLINGWhen handling parts, wear appropriate gloves,eyeglasses and other safety equipment to preventserious injury.WELDINGWhen welding, be sure to wear all personal protective equipment for faceand eyes, and have adequate ventilation. When welding, protect air springsfrom weld spatter and grinder sparks. Do not attach “ground” connection tothe air spring support.Welding SpecificationsTo perform the welding, the welder must be qualified for 2G position perANSI / AWS D1.1­94 Section 5 Part C “Welder Qualification” or equivalent.All welds must be performed in a flat and horizontal position. Suspensioncomponents and their mating parts must be free of dirt, scale, paint, grease,and moisture.Any deviation for these welding specifications must be reviewed andapproved by TST engineering in writing prior to commencement of any work.Standard ElectrodeAWS E­7018 (oven dried).125 diameter 120­140 amps DC electrode positive.156 diameter 120­140 amps DC electrode positiveStandard WireAWS ER­70S­6 .045 diameter(Optional) AWS ER­70S­3 .045 diameterVolts26 – 30 DCRPCurrent275 ­ 325 ampsGas92% AR 8% CO2 @ 30 to 35 CFH(Optional) 90% AR 10% CO2 @ 30 to 35 CFHHelmetWeldApronWeldGlovesNOTENormally, prior to any installations at an OEM, engineering contacts between companies have been madeand all necessary information to make an installation has been exchanged. However, the following generalsteps are listed in the interest of all involved and should be included in an OEM plan to install thesuspension.Rev B2007/01