Hebei Hankai 14x28x7 oil seal
Once you have your seal kit, it is time to start the repair process. Start by lowering the jack all the way down and removing the oil filler plug. Drain out any remaining oil and remove the ram from the jack. Carefully disassemble the jack, taking care to keep track of where each part goes.
3 ton hydraulic jack seal kit



Leveling button. You may have seen this feature on Look for machines with a leveling button on the general purpose foot. This is a tiny button (usually it’s black) on the presser foot. When pressed, it lifts the front of the presser foot up so that it can climb over the thickness change in fabric. This comes in handy when sewing through the multi-layer side seam or the multi-layer bottom seam in jeans. This is typically the area of sewing jeans that causes the most broken needles.