TYPICAL-GC6-1-D3A-SINGALE NEEDLE MACHINE

TYPICAL-GC6-1-D3A-SINGALE NEEDLE MACHINE About

• Machine Type: High-speed, drop-feed single needle lockstitch
• Application: Light to medium-weight fabrics (apparel, shirts, suits)
• Max Speed: Up to 4,500 5,000 stitches per minute (spm)
• Lubrication: Fully automatic oil pump system
• Functions: Automatic thread trimmer, thread wiper, auto backtack, and electronic control box panel

• Turn the machine balance wheel toward you until the needle bar reaches its highest point.
• Loosen the needle clamp screw.
• Insert a standard DBx1 (or manufacturer-specified variant) needle into the needle bar socket.
• Crucial Step: The long groove of the needle must face directly to the left. The short scarf must face to the right (toward the hook).
• Push the needle up until it bottoms out against the stop socket, then securely tighten the screw. [1, 2]

1. Route the thread from the thread stand down through the top arm thread guide holes.
2. Pass it through the pre-tension disk and around the main tension discs.
3. Bring the thread under and through the take-up spring (check spring).
4. Guide the thread upward through the hole of the thread take-up lever from right to left.
5. Bring the thread down through the lower faceplate guides and the needle bar guide.
6. Thread the needle eye from left to right.

• Bobbin Winding: Place an empty bobbin on the winder spindle on the tabletop or integrated housing. Thread it from the stand through the tension discs, wrap it clockwise 4-5 times, and engage the latch. The bobbin winds automatically while you sew. [1]
• Bobbin Tension: Adjust the small flat screw on the bobbin case. Turning it clockwise increases lower thread tension; counter-clockwise decreases it. [1]
• Top Tension: Turn the main tension nut clockwise to tighten upper thread loops, or counter-clockwise if the thread is bunching underneath the fabric. [1]

• Oil Reservoir: Fill the oil pan under the machine head with high-quality white spindle oil up to the "HIGH" mark. [1]
• Oil Check: When running the machine at standard speed, check the oil indicator window on top of the machine head. If oil splashes against the clear window, the automatic pump is operating correctly. [1]
• Cleaning: Regularly remove the throat plate and brush away fabric lint accumulation around the feed dog teeth and rotating hook area to prevent skipped stitches or jams. [1]