1. It is necessary to thoroughly check the amount of movement of the bearing. Each group of planting arms is equipped with 5 types of 200 bearings. If the bearing is loose, the planting arm will be unstable, and there is no guarantee that there is a gap of 1.25~1.75mm between the separating needle and the door, which not only causes the amount of picking up to be incorrect. It can also damage the machine and cause a malfunction. Our experience is that when the splitting needle's two-way free swing is greater than 3mm, the bearing is replaced.

2. When the planting arm stop position adjustment fails, check the status of the set screw. After some rice transplanters are adjusted, the stop position often changes, sometimes on the top, sometimes on the bottom; some transplanters are adjusted at any position, and the stop position is below. The reason is due to the loosening or tripping of the set screw of the power output shaft seat. The set screw is a left-handed thread. If it is loose, use a screwdriver to tighten it to the left. If the thread is damaged, replace it with a new one.

3, why the transplanter jaws with sputum. When transplanting, sometimes I saw leaking, drifting, and even a long period of time, but I didn’t see the seedlings on the top and bottom, but the seedlings were leaking on the claws. The pusher could not push the seedlings into the soil. This is the claws. There are two reasons for the failure:

In terms of sputum block: the bed soil of the seedling transplanting seedlings requires moderate sand adhesion, the bed soil is too sticky, and it is easy to cause sputum. At this time, the water can be properly filled. If the roots of the seedlings are too long, they will be shackled, so they should be planted in time, and the bed soil should not be too thick to avoid the root system being too developed.

Machine adjustment: Before planting, check whether the pusher is moving. If the gap between the pawl and the pusher presser foot is too small or there is a lack of oil in the planting arm, the pusher lever will not move and cause a belt shackle. Secondly, check whether the claws and the pusher are aligned, whether the claws are bent or not, and the buttocks are not aligned. The jaws are bent and corrected on the vise. Finally, check that the gap between the pawl and the pusher presser foot should be 0.7 to 2 mm and must not exceed 2.5 mm. If the gap is too large, it will be easy to pinch and carry. When the clearance is not satisfactory, it can be adjusted by changing the claws, correcting the jaw plate holder or pushing the height of the pusher.

The planting arm is an important working part in the rice transplanter and is a vulnerable part, so it should be repaired after a certain period of time.

4. The longitudinal feeding distance becomes smaller, causing leakage. The longitudinal feed belt is not less than 12 mm per movement. The reason why the moving distance becomes small is: 1 The lifting bolt is loosened to displace the lifting handle. The solution is to loosen the clamping bolts, push the lifting handles to the original position and tighten the bolts. 2 The wire pin and the pin hole of the ratchet wheel are worn to make the effective corner of the ratchet wheel smaller. The solution is to change the pin or fix the pin hole.

5. The transplanting machine has a regular leaking phenomenon, that is, one stroke of the box is leaked. The reason for this phenomenon: 1 the box drive arm wears, so that the free movement of the box increases. The free movement of the box should be no more than 3mm. If the free movement is too large, the effective stroke of the box will be reduced. This phenomenon is only manifested when the direction is reversed. 2 The shaft groove and pin of the shifting shaft (spiral shaft) in the gearbox are worn out, resulting in a smaller effective stroke during commutation. 3 The width of the cymbal is too narrow, and there are no seedlings at both ends of the box, causing regular leakage.

6, to do a comprehensive inspection. Check that the separation needle width should be 12.5mm. Check that the pusher's stroke is not less than 16mm, and the pusher does not exceed 3mm of the separation needle tip. Check that the gap between the pusher and the lower plane of the separation needle should be no more than 1mm.

7, to ensure the quality of transplanting operations, we must pay attention to the following points:

(1) When working, the rice transplanter should go straight as far as possible, and it cannot be inserted when turning. When passing through a canal or higher, you should take planks or lift the ship's board. Do not force it through, otherwise it will damage the machine and affect the quality of the work. When the seedlings are less than 1.8m away from the field, the seedlings in the side of the box should be taken out, and the 1.8m wide unopened field should be left for the circle.

(2) The action should be light when installing and twisting, to prevent the broken pieces and break the seedlings, and let the seedlings slide freely or gently push down to avoid watering the seedlings and the box. When the empty box is installed, the box should be moved to one end, and the seedlings should be added after the separation needle is taken once.

(3) If the ground wheel does not turn during the operation, check whether the pulley and clutch are slipping and whether there is a jump.

(4) If it is found that a certain group of planting arms does not work and there is a sound, it is necessary to check whether there is any foreign matter at the door of the separation needle and remove it.

(5) If a certain group of planting arms does not work, and there is no sound, the chain will be detached; there is a crisp knocking sound in the planting arm, and the cushioning pad should be replaced or added.

8. Keep it in a safe place after use. The rice transplanter is limited by the season of farming, and the working time is short during the year and the parking time is long. Therefore, it should be kept properly during non-operational period. 1 The outside should be cleaned. 2 Put off the fuel and lubricating oil; remove the V-belt and store it separately. 3 Fill the lubrication points of each part according to the lubrication instructions in the instruction manual. 4 closed cylinder. Add a small amount of water-free oil to the intake pipe and shake the crankshaft so that the oil is attached to the top of the piston, the inner wall of the cylinder liner and the valve-sealed cylinder. 5 Clean the air filter screen, then wrap the air filter, muffler and fuel tank with cloth to prevent dust from entering. 6 All the working springs on the rice transplanter should be in a free state. When storing, the planting arm pushes the spring so that the pusher is pushed and pushed to prevent failure due to spring fatigue when used again. Place the clutch and positioning clutch in the "closed" position, the shift lever in the neutral position, and the box in the middle position. It is best to store it indoors or in a simple shed. It is not allowed to pile up debris on the machine. 7 After the whole machine is repaired, slowly rotate to check the operation of each part. The parts should be operated flexibly without any stuck phenomenon, and then stored in the warehouse. The barge or buoy is placed flat to support the ground wheel from the ground. (speaking cold)

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