Brother DH4-B980 instruction manual Sewing, Cleaning, Maintenance and inspection

Page 4

CAUTION

Sewing

This sewing machine should only be used by

If using a work table which has casters, the casters

operators who have received the necessary

should be secured in such a way so that they

training in safe use beforehand.

cannot move.

The sewing machine should not be used for any

Attach all safety devices before using the sewing

applications other than sewing.

machine. If the machine is used without these

Be sure to wear protective goggles when using the

devices attached, injury may result.

Do not touch any of the moving parts or press any

machine.

objects against the machine while sewing, as this

If goggles are not worn, there is the danger that if a

may result in personal injury or damage to the

needle breaks, parts of the broken needle may

machine.

enter your eyes and injury may result.

If an error occurs in machine operation, or if abnormal

Turn off the power switch at the following times,

noises or smells are noticed, immediately turn off the

otherwise the machine may operate if the start

power switch. Then contact your nearest Brother

switch is pressed by mistake, which could result in

dealer or a qualified technician.

injury.

If the machine develops a problem, contact your

When threading the needle

When replacing the needle

nearest Brother dealer or a qualified technician.

When not using the machine and when leaving

 

the machine unattended

 

Cleaning

Turn off the power switch before carrying out

Be sure to wear protective goggles and gloves

cleaning, otherwise the machine may operate if

when handling the lubricating oil and grease, so

the start switch is pressed by mistake, which could

that they do not get into your eyes or onto your

result in injury.

skin, otherwise inflammation can result.

 

Furthermore, do not drink the oil or eat the grease

 

under any circumstances, as they can cause

 

vomiting and diarrhoea.

 

Keep the oil out of the reach of children.

Maintenance and inspection

Maintenance and inspection of the sewing

If the power switch and air need to be left on when

machine should only be carried out by a qualified

carrying out some adjustment, be extremely

technician.

careful to observe all safety precautions.

Ask your Brother dealer or a qualified electrician to

Use only the proper replacement parts as

carry out any maintenance and inspection of the

specified by Brother.

electrical system.

If any safety devices have been removed, be

 

Turn off the power switch and disconnect the

absolutely sure to re-install them to their original

power cord from the wall outlet at the following

positions and check that they operate correctly

times, otherwise the machine may operate if the

before using the machine.

start switch is pressed by mistake, which could

Any problems in machine operation which result

result in injury.

from unauthorized modifications to the machine

When carrying out inspection, adjustment and

will not be covered by the warranty.

maintenance

 

When replacing consumable parts such as the

 

loopers and knife

 

Disconnect the air hoses from the air supply and

 

wait for the needle on the pressure gauge to drop

 

to “0” before carrying out inspection, adjustment

 

and repair of any parts which use the pneumatic

 

equipment.

 

iii

RH-9800

Page 3 Page 5
Image 4
Page 3 Page 5
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 Installing the air hoses Adjusting the air pressureTo increase the air pressure To decrease the air pressureConnecting the power cord Lubrication Adding oilLubrication 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 Using the Emergency Stop switch Automatic modeManual mode or in automatic mode Sewing1164Q 1165Q Adjusting the thread tension Tension adjustmentStroke adjustment Upper thread tensionExplanation of the cutting space function Needle and knife positionRelationship between knife position and eyelet shape Knife position compensation function Using the production counter Resetting the production counterDisplaying 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 oilStandard Adjustments Adjusting the height of the spreader and looperSpreader height 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 Troubleshooting Problem Cause Remedy Thread breaksSkipped stitches occur Needle breaksProblem CleanlyRemedy Upper thread is not cut 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.
Top Page Image Contents