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Chain maintenance and maintenance

Release time:

2024-05-30

Chain maintenance
1, the chain should not swing, swing on the shaft. The end faces of the two sprockets of the same transmission element should be in the same plane, and the sprocket center should be allowed to be one millimeter 0.5 meters below. The center of the sprocket is allowed to be 2mm from 0.5 meters high, but the lateral phenomenon of rubbing the sprocket is not allowed. If the two wheels are too large, it is easy to produce off-chain and accelerated wear. The offset must be checked and adjusted when replacing the sprocket.
2. The tightness of the hanging chain should be appropriate, too tight to increase power consumption, the bearing is easy to wear; the chain is easy to jump and release. The tightness of the chain is: from the middle of the chain, or under pressure, the center distance of the two chains is about 2% to 3%.
The new lifting chain is too long or too long after use. It is difficult to adjust, but it can be moved to the link part, but it must be an even number. The chain link should pass behind the chain, the lock plate is inserted outside, and the opening of the lock plate should be turned in the opposite direction.
4. After the sprocket is severely worn, the new sprocket and the new chain should be replaced at the same time to ensure good meshing. It is not possible to replace a new chain or a new sprocket alone. Otherwise, it will cause poor meshing and accelerate the wear of new chains or new sprockets. After the sprocket tooth surface is worn to a certain extent, it should be turned over in time (referring to the sprocket with adjustable surface). to extend the use of time.
5. The old lifting chain cannot be mixed with some new chains, otherwise it is easy to create impact and damage the chain during transmission.
6. Remember to add lubricating oil during working hours. Lubricating oil must enter the gap between the roller and the inner sleeve to improve working conditions to reduce wear.

Maintenance
Generally speaking, our new car is a layer of oil-I mean the chain, but the oil is not a lubricating oil. It should be a protective oil. It may be time to consider storing the chain for a longer time to avoid rusting and corroding the chain. This oil is not Lubricating oil. After riding for a period of time, lubrication is needed. The purpose of lubrication is: "too far". You must remember this. You may have seen some car chains. The flywheel is black, full of grease and sticky. This is the most taboo. This will be a more typical oil. When riding that car, it is easy to stick dust. Whether it is a country or a mountain road, the long journey is dirtier, the chain and flywheel sand will be adjusted with the steering of the car, which will greatly increase the wear rate of the bicycle travel system. Remember that we repaired the customer's car less than 3000 kilometers, the 27 deore9 part of the speed walking system jumps teeth wear, and the rear dial wheel is very sharp! The spacing of the chain is very large, and the teeth of the flywheel and the teeth of the incisors are also very sharp, which will cause serious wear and tear in the case of cycling. If you follow normal maintenance, such a system can run at least 7, 8 kilometers or more, and customers will run more than 10,000 kilometers, so don't doubt the life of your variable speed walking system.
1. oiling
In the era of wolf lubricating oil, bicycles, sewing machine oil, wd40 multi-functional lubrication is cleaner, high-end bicycle special lubricants, you can use all these bicycle chains, everyone has advantages and disadvantages, there is no perfect in the world, only suitable for our needs and uses, and pay attention to the use method, but motorcycle oil is calculated, for example, sewing machine oil is sticky; wd40 has a good cleaning effect, but the lubrication is not strong, special lubricating oil, some are added Fu, VAX pull system, not dirty pants and good lubrication performance, but the price is expensive, the appropriate lubricating oil is small in size, the price is cheap, the general effect.
2. oiling method
1. One person can only oil the chain, other cars should not be greasy, remember! The wreckage of an extremely wrong car-spraying oil into a flower drum, spraying oil on a central shaft, and applying a buzzword-is a human tragedy.
2, do not spray on the tire. Do not spray on the wd40. Place the chain under the chain with a cloth.
3. Advanced oiling realm: "dry and wet chain".
Good lubrication is to let people see the oil, not greasy, as long as the chain between the activities of the joints of the oil (generally 110 more than one joint, ha ha), other places no oil exposed on the outside appearance, these exposed oil is easy to stick dust and sand, remember, so it is best to oil, use a cloth to wipe, it will be fine.
3. oiling frequency
Always keep some oil between the chain joints, not too much, just a little. The lack of oil is that the back-dial chain is wordy and loud when riding, even with rusty spots on it, so it needs to be oiled. If you plan to go out for a 100km cross-country ride today, you can also use some oil before riding. Obviously, riding on this day is much lighter. Here, if it is wd40, even if you use oil before starting in the morning, then go to Qinglong Mountain for 100km off-road in the hottest summer, then the oil will be almost the same when you return. If it is finishiline, there will be no problem.