Dürkopp Adler HVP 20-4-28-CE for DA-281 Instruction Manual
![Dürkopp Adler HVP 20-4-28-CE for DA-281 Motor manual cover](/images/HZjpfuEIsyLrGgRYEfywDmtp/thumbs/thumb175x175.webp)
The recommended maintenance schedule includes daily cleaning, weekly inspection of the thread tension, monthly lubrication of moving parts, and bi-annual professional servicing.
Check the thread tension, needle condition, and ensure the fabric is correctly positioned. If the issue persists, inspect the bobbin case for damage.
Use needles specifically designed for industrial sewing machines, size 100/16 for medium-weight fabrics, ensuring compatibility with the machine's specifications.
Locate the foot pressure adjustment dial, usually found on the top of the machine, and turn it clockwise to increase or counterclockwise to decrease the pressure.
Ensure the power supply is connected, check the fuses, and inspect the motor connections for any loose wires or damage. Restart the machine after addressing these issues.
Use sewing machine oil to lubricate the moving parts. Follow the user manual for specific lubrication points and avoid over-oiling to prevent residue build-up.
Yes, the machine is capable of handling heavy materials. Use an appropriate needle and adjust the stitch length and tension settings accordingly.
Sew a test piece and examine the stitches. Adjust the tension knob until the top and bottom stitches are balanced and even.
Turn off the machine, use a soft brush to remove lint and debris, and wipe surfaces with a clean, dry cloth. Avoid using harsh chemicals.
Locate the stitch length dial or lever, usually on the front panel of the machine, and adjust it to the desired stitch length setting.