Operation Instruction
-15-
reduced, so as to prevent the engine flameout.
2.3.3 Operation of engine
After the engine is started, the throttle shall be reduced immediately to make the engine at idle
running status. Inspect the engine oil pressure at this time; it shall be ensured that the
machine oil pressure is no less than 98 kPa. At this time, the oil pressure indicator lamp goes
out.
After the engine is started, full-load running shall not be performed immediately; and the
engine shall be subject to intermediate speed no-load running for heating. When the
temperature of the cooling liquid is above 60℃, the revolution speed can be increased to the
maximum speed for full-load running.
The revolution speed and load of engine shall be slowly increased or reduced. In particular,
for the engine that is just started, sudden high speed running is unallowable.
When engine running, the pressure of machine oil and temperature of cooling liquid shall be
inspected frequently.
2.4 Start of tractor
When the engine is under low speed status, tread the clutch pedal, and then make the gear
shift lever of gear box placed at the needed stage;
Push the locating detent rocker arm downwards, and loosen the parking brake;
Whistling sound shall be made and observe whether there is barrier around;
Gradually increase the revolution speed of engine and slowly loosen the clutch pedal to make
the tractor start smoothly. After the tractor starts moving, quickly loosen the clutch pedal, so as
to avoid the slipping of clutch.
Gradually increase the throttle to make the tractor reach the needed working speed;
During the use process, the driving speed of tractor shall not be reduced by adopting the
method of semi-combination of clutch. During the driving process, the feet shall not be always
placed on the clutch pedal, so as to avoid the accelerated abrasion of disengaging lever and
friction plate. Clutch pedal; avoid the slipping of clutch.
Important notes:
1. To prevent collision of teeth of drive gear of gear box and the early damage of clutch,
high stage start is forbidden;
2. The parking brake must be loosened before the tractor starts moving, so as to
prevent the damage of other working parts;
3. When putting into gear or gear shift, the clutch pedal must be treaded to separate the
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