Brother DH4-B980 Adjusting the cloth opening amount, Measuring the opening amount

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9. STANDARD ADJUSTMENTS

9-14. Adjusting the cloth opening amount

(1)

(1)

(2)

(2)

0976Q

0977Q

1.Loosen the screw (1), and then insert a screwdriver into the notch in the side of the feed bracket and turn the adjusting screw (2) to adjust the opening amount.

2.After tightening the screw (1), measure the opening amount.

Note: Adjust so that the opening amounts for the left and right cloth presser plates are equal.

*It is usually sufficient for one cloth presser plate to open by 0.8 mm.

Measuring the opening amount

(1)

(1)

(2)

(2)

0978Q

0979Q

1.Switch the mode to feed mode. (Refer to page 20.)

2.Lower the cloth presser and then use calipers to measure the distance a.

3.Press the start switch. The feed bracket will move and then the left and right cloth presser plates will open.

4.Use calipers to measure the distance b.

5.The difference between a and b is the opening amount. (Opening amount = a - b)

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RH-9800

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Contents DH4-B980 RH-9800 Safety Instructions Safety indications and their meaningsInstallation Environmental requirementsMaintenance and inspection CleaningSewing Needle bar guard Contents Names of Each Part Specifications SpecificationsInstallation Table processing diagramInstalling the motor Installing the machine headRaising the machine head Installing the oil containerLowering the machine head Installing the spool stand Tightening the V-beltInstalling the air unit and the valve assembly Installing the control boxConnecting the knife valve cables Connecting the ground wires and the wirings Connecting the air tubes To increase the air pressure Installing the air hosesAdjusting the air pressure To decrease the air pressureConnecting the power cord Lubrication LubricationAdding oil Filling the arm oil tank1116Q 0862Q 1117Q Correct USE Initializing settingsChanging the lower thread and gimp trimming Checking the direction of machine operation Installing the needle Threading the upper threadFor upper and lower thread trimming specifications -01,-02 For upper thread trimming specificationsThreading the lower thread Setting the material Threading the gimpOperation panel part names Panel button and switch namesFront panel part name Selecting a program number Changing the modeChanging the cutting timing Setting a program Setting the shape of the eyelet Setting the buttonhole lengthSetting the tacking length Setting the offsetSetting the cutting space Setting the knife position compensationP2. Setting Y correction P1. Setting X correctionP3. Setting θ 1 correction P4. Setting θ 2 correction Using the memory switch OFFOn Low speed List of error codes Manual mode or in automatic mode Using the Emergency Stop switchAutomatic mode Sewing1164Q 1165Q Stroke adjustment Adjusting the thread tensionTension adjustment Upper thread tensionExplanation of the cutting space function Needle and knife positionRelationship between knife position and eyelet shape Knife position compensation function Displaying the production counter Using the production counterResetting the production counter Counting down to zero methodUsing a cycle program Programming procedureSetting the feed bracket to the front position Using feed mode Using manual mode Setting the number of home position cycles Changing the cycle program counterReturning to the home position Cleaning and Maintenance Draining the oilSpreader height Standard AdjustmentsAdjusting the height of the spreader and looper Looper heightAdjusting the needle and looper timing Adjusting the loop stroke Adjusting the height of the needle bar Adjusting the clearance between the looper and needleAdjusting the needle guard Adjusting the spreader mounting positionsAdjusting the spreader timing Adjusting the needle racking width stitch widthChanging in the cutting block operation time Filing the cutting surface of the cutting block Adjusting the cutting pressure Replacing the knifeAdjusting the cloth opening amount Measuring the opening amountAdjusting the trimming of the upper thread Adjusting the trimming of the lower thread and gimpAdjusting the gimp length after trimming Lower thread presser Sub presserSummary of DIP Switches Front panel DIP switchesCircuit board DIP switches Skipped stitches occur TroubleshootingProblem Cause Remedy Thread breaks Needle breaksRemedy Upper thread is not cut ProblemCleanly Lower thread is not cut15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone

DH4-B980 specifications

The Brother DH4-B980 is an innovative and advanced sewing and embroidery machine designed for both professional use and home enthusiasts. Recognized for its robust performance and user-friendly features, the DH4-B980 stands out in the market.

One of the primary features of the Brother DH4-B980 is its impressive sewing speed, allowing users to achieve up to 1,000 stitches per minute. This heightened efficiency is complemented by a range of built-in stitches, offering over 150 different stitch options, including decorative, quilting, and utility stitches. This variety equips users with the creativity to tackle a broad spectrum of sewing projects, from simple alterations to intricate embroidery designs.

The Brother DH4-B980 also features advanced embroidery capabilities. With an expansive embroidery area of 10 x 6 inches, users can work on larger designs without the need for rehooping. Additionally, the machine comes with pre-installed embroidery designs and fonts, ensuring that users have a multitude of options right at their fingertips. The user-friendly LCD touchscreen display allows for easy navigation through features, adjustments, and design selections, making the embroidery process intuitive.

In terms of technology, the Brother DH4-B980 incorporates the advanced My Custom Stitch feature, enabling users to create personalized stitch patterns. This functionality sets the machine apart, as it allows for customization to fit specific project needs or personal styles. The machine is also equipped with automatic needle threading and a quick-set drop-in bobbin, adding to overall convenience and ease of use.

Another noteworthy aspect is the built-in sewing assistant, providing tips and settings based on the selected stitch type. This feature enhances the learning curve for beginners while catering to the needs of more experienced sewists. The machine’s high-quality LED lighting illuminates the workspace, ensuring clarity and precision in sewing, particularly in low-light conditions.

Durability is achieved through quality construction and materials, ensuring that the actual performance matches user expectations even after extensive use. The Brother DH4-B980 is also designed with versatility in mind, catering to quilters, fashion designers, and hobbyists alike.

In summary, the Brother DH4-B980 combines speed, versatility, and advanced technology in a single sewing and embroidery machine. Its user-friendly features and innovative capabilities make it an excellent choice for anyone looking to elevate their sewing experience.
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