Usage and adjustment of walking system

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The walking system includes the engine's power output, walking continuously variable transmission, torque converter, clutch, transmission, final drive and steering brake. 1. The power output end of the power output transmits power to the threshing section through a double belt. The power output half shaft is supported on the housing through two oil bearing, and the oil bearing should be filled with oil regularly. During use, check the temperature of the housing. If the temperature is too high, remove the bearing for inspection or replacement. 2. Walking on the middle plate of the middle plate is a double-slot pulley, which is connected to the power output pulley through a double belt. The outer side is a stepless variable speed disk, and it is achieved by increasing or decreasing the walking speed in a certain gear position. It includes moving plates, fixed plates, studs and cylinders. When it is necessary to increase the walking speed, the continuously variable hydraulic handle on the cab is manipulated, the pressure oil enters the oil cylinder, the oil cylinder body is pushed, the moving disk moves outwards, the opening of the moving and the fixed disk is reduced, the working radius becomes larger, and the walking Speed ​​increases. To disassemble the transmission belt, change the CVT to the maximum position, remove the hydraulic oil pipe, push the drive plate of the CVT, and remove the transmission belt. To disassemble the transmission assembly: Remove the cylinder, remove the support plate, remove the belt, unscrew the bolt, and remove the transmission assembly. Due to the constant variable speed during use, lubrication is required between the rotor and the stationary disc hub. Its lubrication point is on the disc and must be filled with oil regularly, otherwise it will cause excessive wear of the two hubs and failure of the CVT. 3. Torque converter Automatic torque converter can not only achieve stepless speed change, but also can automatically tighten and loosen the transmission belt with the change of walking resistance, thereby improving the walking performance and extending the service life of the machine components. When the speed is increased, the walking belt overcomes the elastic force of the spring and moves the disk outward. The working radius becomes smaller, and a large disk and a small disk are realized, and the walking speed increases. When decelerating, there is no pressure in the oil in the cylinder of the middle plate. The torsion spring urges the moving plate to move closer to the fixed plate. The running belt drives the moving plate, stud and cylinder body of the middle plate to move inward to realize the small plate with large plate. decline. Due to the frequent movement of the torsion converter, the fixed-disc hub and the thrust bearing, the oil should be injected regularly, and the lubrication nozzle is on the side of the torque-adder. 4. The clutch clutch is a one-piece, normal-pressure, three-claw clutch that is mounted together with a torque converter. When disassembling, remove the two bolts of the front tire and side reducer, unscrew the torque converter end cap bolt, remove the end cap, loosen the tongue-shaped locking tab of the transmission shaft end, and remove the fastening Nut, then remove the clutch and torque converter assembly. If it is necessary to disassemble, before disassembling the clutch and the torque converter, mark all the components with a corresponding mark to prevent misalignment during assembly because they have been corrected for dynamic balance as a whole, and breaking the balance will damage the drive shaft or the transmission belt. After the clutch is disassembled, the clutch clearance should be adjusted. When adjusting, pay attention to the following: ensure that the vertical distance between the three separate pressure jaws to the clutch shell machining surface is (27+-0.5)mm. If the distance is not correct or the three clearances are not accurate or inconsistent Adjust by adjusting the adjustment screw on the lever. The release bearing is mounted on a separate bearing frame, and there is often relative motion between the bearing frame and the guide sleeve, so lubrication should be guaranteed. The oil cup above the clutch is lubricated for this purpose and should be twisted inward once per day during operation. Note: This cup is filled with grease. After the cup lid is screwed in, it should be removed and the cup filled with grease. The use of the clutch requires that the joint is balanced and completely separated. Do not use the clutch as a reducer. Often a half-pedal clutch can cause the clutch to overheat and cause damage. Sometimes the clutch is not completely separated, the clutch lever can be shortened by a few millimeters; it may also be caused by the loose or malfunction of the connecting pin of the clutch connecting rod, and should be checked frequently. 5. There are two shafts in the transmission gearbox. It has 3 forward gears and 1 reverse gear. The speed of I gear is 1.49-3.56km/h; the speed of II gear is 3.442-7.469km/h; the speed of III gear is 9.308-20.324km/h; the speed of reverse gear is 2.86-7.92km/h. If the gear is blocked, it should be adjusted. Variable speed shaft. When adjusting, firstly put the shift lever in the neutral position, then loosen the fixing nuts of the two flexible shafts, adjust the length of the flexible shaft so that the shift lever is in the middle position, and tighten the two shift shafts. In the cab, check the status of each gear. For the new harvester, the gear should be replaced after working 100h, and replaced every 500h later. The oil filling port of the gearbox is also an inspection port, and when the vehicle is refueled on the ground Should be added to the mouth of the oil until the gearbox plus 80W/90 or 85W/90 gear oil. The final transmission of the oil with the transmission and the same condition. 6, braking mechanism braking mechanism on the slope parking Device. If the harvester is parked on the slope, the brake pedal should be depressed, and the lock plate should be locked on the bridge table. After the brake is confirmed to be reliable, the foot can be lifted. Before the normal driving, the lock plate should be released to its original state. The brake is a hoof type and is mounted on the driven shaft. The brake drum and the driven shaft are splined together, and the brake shoes are bolted to the gearbox housing. When the pedal is depressed, the brake arm pushes the brake shoe outward and closes with the brake drum, so that the driven shaft stops rotating and braking is achieved. The brake clearance is the free gap between the brake shoe and the brake drum. The reaction to the foot pedal is as follows. The free stroke of the brake shoe is 20-30mm. The adjustment part is the bolt below the brake. During use, check whether there is any looseness in the brake connecting rod. If any problem occurs, it should be resolved in time to ensure driving safety. 7, the steering wheel bridge here should pay attention to how to adjust the toe, the correct adjustment of the steering wheel toe can prevent premature tire wear. After adjustment, the measurement size of the national edge should be 6-8mm larger than the measurement size of the front edge. Loosen the fastening bolts on both sides and turn the steering lever to adjust the steering front beam. 8, tire pressure pneumatic tire pressure is 280kpa, steering tire pressure is 240kpa.

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