QR519 TRANSMISSION ASSY DIFFERENTIA for CHERY A3 M11

1 QR519MHA-1701703 FR-RR BEARING – DIFFERENTIA
2 CSQ-CDCL DRIVEN GEAR – DIFFERENTIA
3 QR519MHA-1701701 HOUSING – DIFFERENTIA
5 QR519MHA-1701705 DRIVE GEAR – ODOMETER
6 QR519MHA-1701714 WASHER – BALL
7 QR523-1701711 GEAR – DIFF PLANETARY
8 QR523-1701712 SHAFT – DIFFERENTIA PINION
9 QR523-1701709 SD GEAR
10 CSQ-BZCLTP WASHER – SD GEAR
11 QR519MHA-1701713 PIN – PLANETAY GEAR SHAFT
12 QR519MHA-1701700 DIFFERENTIA ASSY
13 CSQ-TZDP WASHER – RR DIFFERENTIA BEARING RING OTR

1、 The transmission is located behind the engine, and its housing is fixed to the engine by screws.
2、 Function of transmission
1. Change the transmission ratio (determine the speed of the car running forward at the same engine speed)
2. Change the direction of force (reverse gear)
3. Realize neutral gear (idle running in place).
3、 According to the classification of transmission, the transmission is divided into manual transmission and automatic transmission, and their gear lever is also different. As shown in the figure below, we all know that the automobile is divided into front drive and rear drive. In order to adapt to it, the transmission is also divided into transverse transmission and longitudinal transmission. The transverse transmission corresponds to the front drive and the longitudinal transmission corresponds to the rear drive. As the complexity of automatic transmission is a little higher, let’s learn the knowledge of manual transmission first, so here we will explain the manual transmission to you.
4、 The composition of manual transmission is usually composed of input shaft, output shaft, intermediate shaft, differential and reducer (the differential assembly of transverse transmission is assembled with the transmission), gears, bearings, synchronizer, shift mechanism, shift fork, oil seal, lubricating oil, shell, output flange, etc. It is important for us to understand how to realize the synchronization of the gear shift ring (gear shift hub) and the gear shift sleeve (gear shift hub) by manual. In fact, the realization of shift is to connect different shift gears and synchronous rings through the joint sleeve. Then the power is output to the output shaft through the synchronizer to realize different gear output. When shifting, we move the shift control handle, and then pull the shift fork on the transmission to work under the action of the shift cable. The shift fork moves the joint sleeve on the synchronizer to realize different gear changes.
5、 The function of self-locking and interlock device of manual transmission is to prevent the vehicle from automatically shifting or shifting out of gear during driving (such as jumping directly from gear 2 to neutral). The function of interlock is to prevent shifting into two gears at the same time (for example, shifting into gear 1 and gear 3 at the same time). When the steel ball is pulled from the left of groove 2 to groove 1, the gear shift is realized; Similarly, when he pulls out the groove 3 to the right, the gear shift is also realized. In this way, under the joint action of the self-locking spring and self-locking steel ball on the shell and the groove on the shift fork shaft (the groove is stuck with the steel ball), the automatic gear shift and automatic gear disengagement are effectively prevented. The figure above shows the interlocking device of a manual transmission. From the figure, we can see that it has three shift fork shafts, the middle is the interlocking pin and the interlocking steel ball, and the shaded part is the object connecting the shift fork, in which the interlocking steel ball is installed.
Its operating principle is: when the upper shift fork is engaged in a gear (as shown in the third figure), the interlocking steel ball will move to the middle shift fork, disengage from the upper shift fork shaft, and move the interlocking pin down, so as to block the middle and lower shift fork shafts. As a result, the lower interlocking steel ball can no longer be separated from the lower shift fork, so that it can no longer be put into gear, and finally prevent it from being put into two gears at the same time