Road grader
This is a machine for levelling the road surface by smoothening out the ups and downs and for casting aside the boulders on the road. It is always pneumatic lyre mounted with only rear wheel drive and the front wheels are small. The grading blade is attached to a circle that is hung from the overhead frame and pulled by a drawbar fastened to the front of the frame. The blade is usually 3.5 to 4 m long having replaceable edges on the sides and bottom. Steering is direct-connecting mechanical by a hand wheel though a hydraulic booster is fitted on some models (Fig. 5.14)
The motor grader (Model GD 605 R-2) of B.E.M.L. has the following main specifications: Engine flywheel HP 145 at 1800 RPM; operating weight 12,650 kg; Max. Drawbar pull 7,280 kg; Max. speed Forward-43.6 kmph; steering— full hydraulic; overall length-8415 mm; width 2375 mm; height-3200 mm, minimum turning radius 10.4 m.
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