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2018

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Why did the old tricycle reverse gear with a spanner be replaced by the front and rear reverse gear?

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Fuel tricycles are huge and bulky. It's troublesome to turn around on some roads that are not very wide. The earliest fuel tricycle, engine displacement is relatively small, generally are below 100CC horizontal cylinder engine. It is driven by chain, and there is no way to reverse the vehicle. so it is impossible to make a free turn. It needs to come down and carry out the turn, or a sufficiently wide space to make the turn.
In order to solve the problem of turning around, the rear trike engine has achieved more than 125 CC displacement,all of which have been changed to shaft transmission, using reverse gear and rear axle, Thus it can be easily realized in not very broad areas, but also can achieve vehicle turnaround.
Old-fashioned reverser
In earlier years, the reverser was heavy for sand dusting, and it had another feature. It had a long reverse bar for controlling the forward and reverse gears, which went straight from the right side of the tricycle to the reverse side and was fixed with a screw, The vehicle can move forward and backward by pulling the reverse lever by hand.
Before this kind of reverser with a spanner used for a certain period of time. it is easy to appear that the car will not run forward, or that the vehicle will not run when moving forward, one meal at a time, unable to exert force, and the reverser will click. But reverse cycling is normal.
Reverser housing cracked
In this case, it is necessary to adjust the reverse shift fork shaft. Remove the fixed screw on the reverse pull fork, put the axle back one or two times, and then fix the screw on the reverse pull fork axle to test the vehicle. If both forward and backward can run, it will be normal. It can only move forward, not backward or not, which means that the reverse shift fork shaft has been deformed. There are two ways to solve this kind of deformation. One is to remove the reverse shift fork shaft and knock it straight. The other is to replace a new reverse shift fork shaft. It will not take long for the axis to be corrected after this deformation. If there are accessories, it is generally recommended to replace them.
In addition, if a fixed spring is dropped, it will also be due to insufficient elasticity, When the riding belt is heavy, the reverse lever will fall backward and be in the reverse state.
Later, this kind of backshift device with front and back foot came into being. This kind of reverser seldom occurs when it can only move forward or backward, because its reversing fork moves shorter, so it is not easy to deform.
Back and forth Trampler
Inverters are becoming lighter and lighter. They are made of aluminium, The price is also much lower than before. Now the retail price is much cheaper than before.
Most of the old sanding reversers with spanners have been withdrawn because of their heavy weight and troublesome key operation. Always adjust the reverse gear and pull out the fork shaft. However, there are few cases of shell cracking. Now the reverser is made of aluminium, and more Pu, if the bearing is not replaced in time, it is easy to break the case. If the shell cracks, you can only change the reverse gear assembly.

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