操作说明
Operator Instruction
4.17.4 液压系统磨合
Running in of hydraulic system
起动发动机将油门放在中油门位置运转，操纵分配器手柄，升降悬挂机构数次，观察有无异常现象。然
后在悬挂机构上挂上质量约 800kg 重物或质量相当的配套农具，使发动机在大油门位置下运转，操纵分
配器手柄，使悬挂机构能全行程上升与下降，其次数不少于 20 次。检查液压悬挂机构能否固定在最高
位置或所需位置、升降时间及有无渗漏现象。
Start the engine and run the engine with the throttle in middle power position. Operate the handle of distributor
and lift & lower down the suspesion mechanism for several times to observe if there is abnormal phenomenon.
Then hang a heavy thing about 800kg weight or similar farm machine attachment on the hitch mechanism, run
the engine on the oil throttle position, operate the distribution handle, to make the hitch mechanism to
full-travel lift up and down for over 20 times. Check that the hydraulic hitch mechanism can be fixed at the
highest position or the required position, and check for the lifting time and. Leakage phenomenon.
在拖拉机静止情况下，发动机以低中高速运转，平稳地向左及向右操纵方向盘各 10 次，观察拖拉机前
轮左右转向的随动情况，声音是否正常，操纵方向盘是否轻便、平稳。
With tractor in the stationary condition, run the engine at low and high speed, and operate the steering wheel to
the left and to the right smoothly for 10 times each. Observe the follow-on moment of he front wheels when
the tractor leftwards and rightwards turns, and check for the sound. And the control of the steering is easy and
smooth.
磨合过程中若发现故障，应及时分析原因并排除。
Timely analyse and remove the troubles if there is troubles occurring during the running in.
4.17.3 动力输出轴空载磨合
Power output shaft idling running in
将发动机油门操纵手柄置于中油门位置，发动机以中速运转，分别使动力输出轴以低速、高速各运转
5min，检查有无异常现象。磨合后须使动力输出轴处于空档位置。
The engine throttle control handle is set at medium position, and the engine runs at medium speed. Make
power output shaft run at low speed and high speed for 5min, respectively. Then check if there is any
abnormality.
Power output shaft is in neutral position after running-in.
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