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implement could be adjusted, if desired position of the implement has been got, set the
position of the stopper on the return rod to limit the control lever. Tighten the stopper on the
rod with screw, so that the lever can be pushed to the same position every time.
Adjustment may be done during plowing period. The supporting wheel for the implement is
not necessary in position control.
B.Floating control
Floating control is suitable for field plowing. In floating control, supporting wheel is
needed for implement, During plowing , hold the control lever of distributor at "lowering
position. (i.e. push the control lever of distributor forward with the return stopper. Do not
return the control lever to the neutral position). The hydraulic circuit is in "floating" control.
Using floating control, the plowing depth is controlled by the change of the height of the
supporting
wheel. The uniform plowing depth would be obtained in the field with wild
changes of soil resistance.
C.Control of the lowering speed of the implement
Turn the lowering speed adjusting valve to control the lowering speed of the implement.
The lowering speed should be selected properly according to the weight of the implement and
hardness of soil surface in order to prevent the implement from being seriously impacted and
damaged.
Turn the lowering speed adjusting valve clockwise, the lowering speed will reduce; turn
the valve counterclockwise, the lowering speed will increase.
D.Operation of hitch system
Adjust the implement according to the implement operation manual before the
implements being attached to the hitch system of the tractors.
In ploughing, adjust longitudinal and lateral level of plough in order to get the same
ploughing depth of front and rear share.
a) Adjusting of longitudinal level
Adjust the length of the upper link of the hitch, keep the plow frame horizontal in
longitudinal level, so as to keep each share in the same plowing depth. As the front share
plows deeper than the rear one, or heel of plow goes out from bottom of furrow, extend the
upper link; as the front share plows shallower than the rear one, or rear heel sinks into the
bottom of furrow, shorten the upper link.
b) Adjusting of lateral level
Adjust length of right lifting rod, keep plow frame horizontal in lateral level, as extend the
right lifting rod, the plowing depth of the first share is increased. As shorten the right lifting
rod, the ploughing depth of the first share is decreased. Usually, the left lifting rod does not
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require any adjustment. Only if the right lifting rod is adjusted to its limits, the left lifting rod
would be adjusted to obtain the uniform plowing depth.
In order to obtain better plowing quality in actual operation, still need to adjust the
plowing width according to the plow operation manual, so that the twifallow and omitted
plowing won't happen. The various adjustments described above are connected. According to
each operation condition, combine the adjustments properly, then can obtain the best results.
The check chains can make the integral unit have good manoeuverability in the field, and
prevent implement from hitting rear wheels because of the too much crosswise swinging of
the implement during turning of tractor and lifting the implement in the field ends. As the
implement is in plowing position, the check chains are loosen, a certain swinging scope
between tractor and implement is allowed. Adjusting the deviation traction of the implement
through tensioning the check chains is prohibited during ploughing.
c) While using implements of driving type, should pay attention to the length of universal
joint shaft; after attachment, there should be about 10mm axial clearance between PTO shaft
and universal shaft.
3) Using the differential lock:
In tractor transportation and operation, if one drive wheel slips greatly and the tractor
can not move forward, operate the differential lock according to the following steps:
A. Depress the clutch pedal, move the gear shifting lever to the low range gear position.
B. Turn the hand throttle to full open position.
C. Depress down the differential lock lever under the right side of the seat, gradually
release the clutch pedal to engage the clutch, so that two drive wheels rotate in same speed,
then there is a possibility to drive the tractor through the slippery area.
D. After the tractor passes through the slippery area, can not turn the tractor, otherwise
the parts may be damaged.
Note:
Release differential lock lever and let it return to the original position after the
differential lock is engaged.
7. Use of the electrical equipment
The electrical equipment of the tractor is used to start engine, meet the needs of giving
signals and lighting for operation at night and etc. The electrical system of the tractor is
negative pole connected with iron, 12V single phase circuit.
1) Battery
Battery rated voltage is 12V and its rated capacity is 60 or 66 AH; The battery is used to
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store the spare electricity produced by the generator. While the engine doesn't work or run at
low speed, the stored electrical energy can supply electricity for all of the electrical devices
and to start the tractor. While the engine overloads in a short time, the battery can help to
supply electricity. In routine use, the battery should be often checked and maintained in
accordance with the technical maintenance regulations of the tractor.
A.
Before using the new battery, fill the electrolyte stipulated in table 2-4 to the required
height, then keep the battery for 15 minutes, after that, the battery can be used; after starting
the engine, firstly it is better to charge the battery for 1-2 hours, which is good to extend the
service life of the battery.
B.
Dust and dirt on the outside of the battery should be often cleared away in case
electricity leaks. Check to see whether the battery has crackle and electrolyte leak; keep the
terminals and all contacts in good connecting condition; keep the air hole on the plastic cover
unblocked, so as to protect the battery from explosion because of too much gas in the battery.
C.
Check the height of electrolyte level and specific gravity. In normal use, if the height
of electrolyte level is below 10-15mm, distilled water should be poured into it in time. Well
water or river water can't be used. So as to prevent impurity from entering electrolyte. If
electrolyte overflows much under unusual conditions, it can be added. The density of
electrolyte in electrolytic cell should be not lower than 1.2g/cm3; if the density is too low, the
battery should be charged in time.
D.The time of continuous starting should not be more than 10 seconds in case
overdischarge. The battery should be charged at regular interval. The single voltage of the
charged battery should be 2-2. 1 V.
Table2-4 Density of electrolyte
2) Use of generator and regulator
A.
Generator should be used with regulator.
B.
The generator is connected with ground by negative pole. The generator is connected
with the regulator and the battery by negative pole. The positive and negative poles of
generator, relay and battery can not be connected in wrong way. Otherwise the generator and
regulator may be damaged.
C.
Checking the generator by short circuit is prohibited. Megaohmmeter or A.C. power
Temperature
of electrolyte(0
℃
)
0-5
5-10
10-15
15-20
20-25
25-30
30-35
35-40
40-45
Density(g/cm3)
1.305
1.300
1.295
1.290
1.285
1.280
1.275
1.270
1.265
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of more than 100V is not allowed to check generator insulation; only multimeter of high
resistance can be used to check the nature of generator insulation; otherwise the diode will be
punctured.
3) The starter
A.
Keep the starter clean and the contacts between wires in good condition.
B.
The time for each starting should not be over 10 seconds. The shortest interval
between two startings must be more than 2 minutes. If the engine can not be started after
several startings, the trouble should be found out and removed, then the engine can be
restarted.
C.
If the engine is started in winter, it should be preheated and then can be started with
the starter.
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