Safety Compliance Testing for FMVSS 121 - CarsAndRacingStuff.com
Safety Compliance Testing for FMVSS 121 - CarsAndRacingStuff.com
Safety Compliance Testing for FMVSS 121 - CarsAndRacingStuff.com
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DATA SHEET 11SERVICE BRAKE STOPPING TEST @ GVWRVehicle:_ 2007 TEBCO TG (6X4) Dump Truck _TRC Vehicle No.:__C70701_____ Initial/End Odo.:_1,147_/ 1,174____Date:__05/18/07__ Driver:_R. Heberling Tech./Video: R. Landes_____Project/Segment Nos.:___20040769/7005___Ambient Temperature: 32° to 100°F.Time:_13:10 – 15:30_____IBTs: 150° to 200°F.Requirements: Air system fully charged be<strong>for</strong>e each stop.With ABS - fully apply service brake; without - driver modulates control.Per<strong>for</strong>m stops in neutral or with clutch depressed.One of the six stops MUST be equal or less than the requirement distance.Manual brake adjustments permitted prior to per<strong>for</strong>ming stops.Brake Stroke Measurements @ 85 psi (in) “Free” Stroke Measurements (in.)Axle 1 Left/Right 1 1/2 / _1 1/2 Axle 1 Left/Right 5/8 / __5/8___Axle 2 Left/Right 1 3/4 / _1 3/4 Axle 2 Left/Right 5/8 / __5/8___Axle 3 Left/Right 1 3/4 / _1 3/4 Axle 3 Left/Right 5/8 / __5/8___Axle 4 Left/Right NA / _NA Axle 4 Left/Right NA / __NA___Dist. Req. (ft.) @ 60: GVW&LLVW Bus: 280; GVW Truck: 310; LLVW Truck & Tractor: 335; GVWR Tractor: 355.StopApplicationPressure(psi)60 MPH SERVICE BRAKE STOPS - GVWRActual CorrectedStopping Stopping InDistance Distance 12 foot(feet) per SAE Lane?J299InitialSpeed(mph)Wheel LockupIndicationPosition, Spd.(mph), Timelocked (sec.)Comments1 112.6 60.1 334.6 331.1 Yes No Video Tape2 113.4 58.8 301.4 314.3 Yes No Video Tape3 <strong>121</strong>.7 60.3 286.5 283.5 Yes No Video Tape4 118.0 60.6 316.0 310.1 Yes No Video Tape5 107.3 60.4 305.7 301.4 Yes No None*6 118.1 20.3 36.8 35.7 Yes No Video TapeAmbient Temp.: 61°F Wind Speed/Dir.: 7 mph, 353° NComments: *Not required – indicant test, only.1920040769/7005