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South Bend Fire Department <br />CommanderChassis <br />axle beamand reducedpart count. Theclamp group bolts are tightened onthe top of the clamp <br />group opposed to the traditional U-bolt on the bottom making it easier to access with a torque <br />wrenchfor servicing. The spring shall also include a lower shock attachment with an upturned <br />eye. The springs will contain threaded pin bushings to allow simplificationof spring alignment <br />as well as long service life and improved ride quality. The suspension and spring geometry will <br />be optimized to provide improved bump steer andAckermann.TwoZF Sachs twin-tube shocks <br />shall be provided with the front suspension assembly. The shocks shall bespecially developed <br />for parabolic leaf springs with a digressive characteristic curve usinga patented piston system. <br />The shocks shall featuremulti-stage piston and base valves. Thecombination of valves shall <br />achieve the desired damping characteristics that are ideal for the application. The suspension <br />shall be rated for a minimum of 20,000 lbs. No Exception. <br />One (1)PowerSteering Gear TRW TAS 85 w/Assist- 20Kand up - L9 SteertekAxle <br />07-05-0341 <br />POWER STEERING GEAR WITH ASSIST <br />The power steering gearshall be a TRW model TAS 85 and shall include the following: <br />·A balanced, hydraulic, positive displacement, sliding vane power steeringpump which is gear <br />driven from the engine <br />·One-piece, 2" diameterdrag link for maintaining consistent wheel alignment resulting in less <br />maintenance. <br />·The steering gear shall be mounted on a plane that is at a 9-degree angle in relationship to the <br />center plane of thechassis. This mounting technique is designed to reducethe operating angle of <br />input steering shafts. Amore direct, responsive,and smoother handling vehicle will result from <br />these unique design characteristics. <br />A certified torque and geometry study by TRW shall be available uponrequest. <br />One (1)Chassis Alignment <br />07-06-0420 <br />CHASSIS ALIGNMENT <br />Thechassisframerailsshallbemeasuredtoinsurethelengthiscorrectandcrosscheckedtomake <br />suretheyrunparallel andaresquareto eachother.The frontandrear axles shallbelaser aligned. <br />Thefronttiresandwheelsshallbealignedandtoe-insetonthefronttiresbytheapparatus <br />manufacturer. <br />Alignment documentation shall be available uponrequest. <br />10039-001609/02/20 <br />46 <br />PDF created with pdfFactory Pro trial version www.pdffactory.com <br /> <br />