0.3-4mm JTO Micro-mechanical Chucks Accurate Drill Chuck with 4mm Shaft Sleeve DIY Tools Clamping range: 0.3-4.0mm Fit for various models of high precision Drill. Installation: 1: The motor shaft rear pad a piece of iron, preferably pliers, hard object like a vise. Rear axle in the top middle of the vise of iron (electric post on both sides, the equivalent of riding pliers above) 2: fixed rear axle, put on the head of the sleeve, with a small hammer, tap a few times, go a little knock, does not feel the motor shaft crooked. Positive force knocked down two. Holding the position of the root bearing about 2MM or so away. Some minor axis of the motor, not directly knock in the end, that there may be jammed motor, not turn leads to scrap! 3: If you need to install the drill housing, start the motor behind the welding wire, finishing housing switches, follow the installation steps all set. 4: The motor is installed into the housing, power check, stable fixation, vibration, all OK. To start the installation drill chuck. The drill chuck head is screwed to the max position, drill chuck head clamp blocks all three to shrink inside. Hand drill (do not find a place to knock fixed behind the switch is relatively weak), drill into the inner sleeve, the drill head pad a clean cloth or paper bag or something. Gently tap a few (here should not be too heavy, too heavy will knock bad motor shaft), pull it out by hand to knock up. Maintenance: When the drill chuck do not want to wipe a layer of oil on the surface to prevent rusting Package include: 1 x Drill Chuck 1 x Wrench 1 x Shaft Sleeve
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