Parts to be prepared:gearbox,bearings and DTU with wires.
Install the bearings first.
Put the DTU in the position.
If the gearbox interferes with the switch,the shell needs to be cut off.
The switch cannot interfere with the gearbox shell.
If the screw seat is higher than the DTU,cut it off a little.
Slightly lower than DTU.
Adjust the fire DTU angle and screw in the screw.
Do not install the selector plate in this direction,the selector switch can be damaged.
The right installation direction should be like this.
Make sure that the selector plate can be stuck in these four positions.
Lay out the wires.
Pay attenion to this small switch.It is not allowed to press it when installing the sector gear.
It is recommended to shim the gearbox before installing the DTU.
Install the sector gear with the convex point upward to avoid damaging the detection switch.
Let's see more clearly from this angle.
The sector gear can only be rotated in this direction to avoid damage to the detection switch.
Install the trigger,ensure that the trigger can touch the switch and the wires will not interfere with the switch.