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Brother KG-89 User Manual

Brother KG-89
41 pages
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Service Manual for G-Carriage
MODEL
KG-
88
/
89
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Brother KG-89 Specifications

General IconGeneral
BrandBrother
ModelKG-89
CategorySewing Machine
LanguageEnglish

Summary

Disassembling the G carriage

Removing the carriage cover

Steps to remove the carriage cover, including trippers, screws, and the cover itself.

Removing the G needle

Procedure for removing the G needle from its assembly.

Removing the rubber wheel

Instructions for detaching the rubber wheels and associated spring washers.

Removing the needle guide arm

Guide for detaching the needle guide arm assembly.

Removing the motor lead wire and the lead wire for the motor control board

Steps to disconnect and remove motor lead wires and control board connections.

Removing the direction change lever A assembly and the direction change lever B assembly

Procedure for removing the direction change lever A and B assemblies.

Removing the upper plate assembly

Instructions for detaching the upper plate assembly.

Removing the change plates R and L for aut-return

Steps to remove the aut-return change plates R and L.

Removing the G needle tilting cam

Procedure for removing the G needle tilting cam.

Removing the G needle tilt lever assembly

Guide for detaching the G needle tilt lever assembly.

Removing the bevel gear

Instructions for removing the bevel gear and its washer.

Removing the latch presser lever

Steps to remove the latch presser lever assembly and associated parts.

Removing the yarn feeder change cam spring

Procedure for detaching the yarn feeder change cam spring.

Removing the yarn feeder change plate assembly and the G needle operation cam

Guide for removing the yarn feeder change plate assembly and G needle operation cam.

Removing the step feeder

Instructions for detaching the step feeder.

Removing the yarn feeder change cam and the pattern selector cam

Steps to remove the yarn feeder change cam and pattern selector cam.

Removing the operation lever for G needle assembly

Procedure for detaching the G needle operation lever assembly.

Removing the knitting needle operation lever assembly.

Guide for removing the knitting needle operation lever assembly.

Removing the G carriage feeding cam

Steps to remove the G carriage feeding cam and related parts.

Removing the G needle operation shaft

Procedure for detaching the G needle operation shaft.

Removing the G carriage feeding lever

Instructions for removing the G carriage feeding lever.

Removing the spring for retainer

Steps to remove the spring for retainer and retainer for reader.

Removing the link

Procedure for detaching the link for pitch adjuster.

Removing the yarn feeder change lever

Guide for removing the yarn feeder change lever.

Removing the DC motor

Instructions for detaching the DC motor.

Removing the yarn feeder unit

Steps to remove the yarn feeder unit.

Removing the arm for socket

Procedure for detaching the arm for socket.

Removing the stitch cam guide plate assembly

Steps to remove the stitch cam guide plate assembly.

Removing the following parts

General instructions for removing connecting plate, direction change plates, and spring.

Removing the latch stopper brush

Procedure for removing the latch stopper brush.

Removing the stitch dial lever

Instructions for detaching the stitch dial lever, roller, and spring.

Assembling the G carriage

Mounting the latch stopper brush

Steps to attach the latch stopper brushes.

Mounting the arm for socket

Procedure to mount the arm for socket with stud and spring.

Mounting the stitch dial

Instructions for mounting the stitch dial lever, stitch dial, roller, and cover.

Mounting the G carriage foot assembly

Steps to temporarily fix the G carriage foot assembly.

Mounting the arm for needle operation

Procedure to mount the arm for needle operation.

Mounting the connecting plate and the direction change plate R and L.

Steps to mount connecting plate and direction change plates R & L.

Mounting the stitch cam guide plate; set the stitch dial to 7

Instructions for mounting the stitch cam guide plate and setting the stitch dial.

Mounting the stitch cam guide plate

Procedure to fix the stitch cam guide plate, ensuring upward orientation.

Mounting the DC motor

Steps to mount and fix the DC motor.

Mounting the socket for G needle

Procedure to insert the socket for G needle into the arm for socket.

Mounting the G needle swing arm, the G needle operation base, and the pitch adjuster

Steps to assemble G needle swing arm, operation base, and pitch adjuster.

Mounting the yarn feeder holder unit

Procedure for mounting the yarn feeder holder unit into the latch presser plate assembly.

Mounting the yarn feeder holder unit

Further steps for mounting the yarn feeder holder unit, including brackets and screws.

Mounting the stitch adjuster plate assembly

Steps to mount the stitch adjuster plate assembly into the carriage plate.

Mounting the yarn feeder change lever

Procedure for fixing the yarn feeder change lever.

Mounting the link for pitch adjuster and the pitch adjuster lever

Steps to assemble the link for pitch adjuster and pitch adjuster lever.

Mounting the retainer for reader

Procedure to attach the retainer for reader with its spring.

Mounting the direction change lever

Steps to mount the direction change lever and its associated spring.

Mounting the carriage feeding lever

Procedure for attaching the carriage feeding lever.

Mounting the G needle operation arm assembly

Steps to mount the G needle operation arm assembly.

Mounting the reader for needle selection

Procedure to mount the reader for needle selection.

Mounting the carriage feeding cam

Instructions for mounting the carriage feeding cam.

Mounting the knitting needle operation lever

Steps to mount the knitting needle operation lever.

Mounting the pattern selector cam

Procedure to mount the pattern selector cam.

Mounting the yarn feeder change cam

Instructions for mounting the yarn feeder change cam.

Mounting the step feeder

Steps to mount the step feeder onto the carriage plate.

Mounting the G needle operation cam

Procedure to mount the G needle operation cam.

Mounting the yarn feeder change plate assembly

Instructions for mounting the yarn feeder change plate assembly.

Mounting the yarn feeder holding cam spring

Steps to mount the yarn feeder holding cam spring.

Mounting the latch presser lever assembly

Procedure to mount the latch presser lever assembly.

Mounting the bevel gear

Instructions for mounting the bevel gear.

Mounting the row counter connecting plate and the gear mount

Steps to mount the row counter connecting plate and gear mount assembly.

Mounting the G needle tilting lever assembly

Procedure to mount the G needle tilting lever assembly.

Mounting the G needle tilting cam

Instructions for mounting the G needle tilting cam.

Mounting the change plate L for aut-return and the change plate R for aut-return

Steps to mount aut-return change plates L and R with springs.

Mounting the upper plate assembly

Procedure to mount the upper plate assembly.

Mounting the direction change lever B assembly

Steps to mount the direction change lever B assembly.

Mounting the direction change lever A assembly

Procedure to mount the direction change lever A assembly.

Mounting the connector of the DC motor (when the binder is cut)

Instructions for fixing the DC motor lead wire when the binder is cut.

Mounting the stop knob

Steps to mount the stop knob.

Mounting the aut-return knob

Procedure to mount the aut-return knob.

Mounting the direction change knob

Instructions for mounting the direction change knob.

Mounting the G carriage cover

Steps to fix the G carriage cover with screws.

Mounting the needle guide arm

Procedure to mount the needle guide arm assembly.

Mounting the G needle

Steps to insert the G needle into the socket and attach the lever.

Mounting the rubber wheel

Instructions for attaching the rubber wheels with screws and washers.

How to adjust the G carriage

Adjusting the yarn take-up of the stitch cam

Procedure for adjusting the yarn take-up by setting the stitch dial and lever.

Adjusting the motor control board

Steps for adjusting the motor control board's position relative to the yarn feeder holder.

Disassembling and assembling the adaptor

Disassembling the adaptor

Steps to disassemble the adaptor, including removing screws and boards.

Assembling the adaptor

Procedure for reassembling the adaptor, including attaching covers and boards.

Disassembling and assembling the sensor for yarn breakage

Trouble shooting

1. G carriage does not move.

Troubleshooting steps for when the G carriage fails to move.

2. When the fuse is not broken

Troubleshooting steps related to the fuse not being broken.

3. When the fuse is broken

Troubleshooting steps for when the fuse is broken.

2. The motor tries to run but the mechanism does not work.

Troubleshooting steps when the motor runs but the mechanism does not operate.

3 The motor runs but the carriage does not move.

Troubleshooting steps when the motor runs but the carriage does not move.

2. The automatic return does not function.

Troubleshooting steps for when the automatic return function fails.

5 The row counter functions heavily.

Troubleshooting steps for a heavily functioning row counter.

6 The height and width of the extension rail are improper.

Troubleshooting steps for improper extension rail height and width.

3. Dropping stitches

Troubleshooting guide for issues causing dropped stitches.

4. The wrong needle selection is performed.

Troubleshooting steps for incorrect needle selection.

5. The stop key does not function and the row counter does not stop at "000."

Troubleshooting steps for stop key and row counter not functioning correctly.

6. The sensor for yarn breakage does not work.

Troubleshooting steps when the yarn breakage sensor is not operational.

7. Any abnormal sound is generated.

Troubleshooting steps for any abnormal sounds produced by the carriage.

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