𝗗𝘁𝗲𝗿𝗺𝗶𝗻𝗮𝘁𝗶𝗼𝗻 𝗱𝘂 𝗠𝗼𝗱𝗹𝗲 - Determine the model by measuring the diameter of the control levers and check if it is 26 mm or 28 mm. At the same time, count the teeth on the drive shaft and determine if there are 7 or 9 teeth. Based on these two measurements and observations, you can identify the exact model. (Allen keys may require a little force to fit into some gearbox holes) 𝗣𝗿𝗼𝘁𝗲𝗰𝘁𝗶𝗼𝗻 𝗰𝗼𝗻𝘁𝗿𝗲 𝗹𝗲 𝗗𝗲𝘀𝘀𝗲𝗿𝗿𝗮𝗴𝗲 - M10 x 1.25 (male) left-hand thread effectively reduces the risk of self-loosening caused by vibration or rotation, especially when the machine is turned counterclockwise, the thread is automatically tightened, greatly reducing the risk of loosening. 𝗜𝗻𝘀𝘁𝗿𝘂𝗰𝘁𝗶𝗼𝗻𝘀 𝗱'𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗮𝘁𝗶𝗼𝗻 - When installing the angle gear, be careful not to overtighten the clamping screws to protect the angle gear from damage. Grease should be applied before use and refilled after about 10 hours of operation to protect the internal gears