Ningbo Benye 40 Series Manual
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·19·C. Steering of the tractora. Tractor steering is actuated by steering the wheel. A sharp-turn is allowed only at lowerrunning speeds. On farm working (especially in paddy field ),one-side-braking can be used topromote productivity and maneuverability by reducing turning radius. While working at higherspeeds or in transportation, it is forbidden to make a sharp-turn with one-side-braking to avoid ofturning-over of the tractor.b. When the fully hydraulic steering resistance exceeds the stipulated value, the safety valvebegins to work and zi-zi-zi noise occurs because of the overflow. At the moment, the steeringwheel is returned a little to avoid of long time overload of the steering system.D. Selection of proper gears.a. The highest productivity and the maxim economization can be obtained by selection ofproper gears.Generally: Gear I and II: for roto-tilling and transplanting.Gear III: for harvesting.Gear IV, V and VI, for ploughing, harrowing and sowing.Gear VII and VIII, for highway transportation.Gear I and II can not be used in ploughing or drafting heavy load. Otherwise, thetransmission system will be damaged by the severe overload. A tractor should never beoverloaded. Overload can be discriminated by the following ways.If a overload tractor works on the Gear V with the foot throttle semi-open, the speed isincreased whether foot throttle is quickly pushed to full-open, which indicates that thetractor is overloadedThe tractor, working on the Gear V, may indicate overload if it releases heavy sound anddark smoke. In such a case, it is necessary to shift to Gear IV. Each gearshift requires tostep down the clutch pedal to the end to protect the gears from being clashed.b. When shifting gears, first of all, step down the clutch pedal to have the clutch disengaged(see fig.4-9). After the tractor stops the gearshift lever of the gearbox should be smoothlyput to the required gear positions. If the required gear can not be reached, engage anddisengage the clutch again to get the gear. The gear shifting position of gearbox is shownin Fig.4-10. |
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