Features: 1. Use a three-core power cord with a ground wire to prevent electric shock and safety. 2. The material is enriched, thickened, it is wear-resistant and has a longer service life. 3. It can be adjusted according to the material and thickness of the chain bag, and the pressure line is elastic. 4. This machine is made of excellent metal and has high hardness and wear resistance. 5. By rotating the handwheel, the height of the needle can be adjusted to make threading easier and more convenient. 6. With diffused panel for easy disassembly and maintenance, maintenance is more convenient Specification: Condition: Brand new Item Type: Electric Bag Stitching Machine Material: Metal Stitch: Single-Line Chain Needle Model: DPx5, 135x5, 25/200 special needle. Sewing Speed: 1500~1700 needles/min. Motor specifications: Speed: 7000 rev / min Package List: 1 x Electric Bag Stitching Machine 1 x Adapter 1 x Oil Bottle(empty) 1 x Handle Wrench 1 x User Manual 1 Bag of Needles 1 Pair of Carbon Brushes 1 x Timing Belt 1 x Small Hex Wrench 1 x Big Hex Wrench 2 x Accessories Instructions: 1. Needle exchange: Raise the needle to the highest position, loosen the fastening screw, pull out the needle, replace it with a new needle, and hold the needle up and hold the needle space tighten the screws in the plane. 2. Hook change: Raise the feed tooth to the highest point, open the hex socket screw B, then tilt the needle outward and pull it up. 3. Adjustment of the crimping disc: Turn the crimping nut tightly, CW to tighten, CCW to loose. 4. Adjusting the pressing force: Turning the adjusting screw CW increases the counter-CW force, and it is recommended to reduce the pressing force properly without affecting the feeding effect, which is beneficial to reduce the burden on the motor and the wear of the machine. Note: 1. Unplug the power cord before using the maintenance. 3. A three-core power cord must be used and the grounding is good. 4. The motor cooling holes should be kept clear. 5. Do not hit the unit with hard objects or gravity. 6. The repaired personnel should be trained to perform regular maintenance on the unit. 7. Do not expose the unit to moisture or water loss to avoid short circuit of the appliance. 8. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. .