Brother BE-438F, KE-430F 3-10.Connecting the ground wire

3. INSTALLATION

3-10. Connecting the ground wire

CAUTION

Be sure to connect the ground. If the ground connection is not secure, you run the risk of receiving a serious electric shock, and problems with correct operation may also occur.

2292B

(1)Ground wire from the machine head (Ground mark position)

* The recommended tightening torque for the ground screws is 1.0±0.1 Nm.

NOTE:

Make sure that the ground connections are secure in order to ensure safety.

19	KE-430F, BE-438F

Contents

Page Page SAFETY INSTRUCTIONS 1. Safety indications and their meanings Indications DANGER CAUTION CAUTION Environmental requirements Installation Sewing Cleaning Maintenance and inspection 3. Warning labels Page CONTENTS 1. NAMES OF MAJOR PARTS 2. SPECIFICATIONS 3. INSTALLATION 4. PREPARATION BEFORE SEWING TABLE OF ERROR CODES TROUBLESHOOTING 7-SEGMENTDISPLAY LIST 1. NAMES OF MAJOR PARTS 2. SPECIFICATIONS 2-1.Machine specifications 2-2.List of Sewing Patterns (KE-430F) Page Page Page Page 2-3.List of Sewing Patterns (BE-438F) Page Page 3. INSTALLATION 3-1.Table processing diagram 3-2.Installing the control box 3-3.Installing the oiler 3-4.Installing the machine head 3-5.Installing the operation panel 3-6.Installing the cotton stand 3-7.Installing the button tray (BE-438F) 3-8.Installing the eye guard 3-9.Connecting the cords Page Page 3-10.Connecting the ground wire 3-11.Installing the rear cover 3-12.Lubrication 3-13.Connecting the power cord Page Page 3-14.Checking the machine head switch 3-15.Starting up 4. PREPARATION BEFORE SEWING 4-1.Installing the needle 4-2.Threading the upper thread <Threading mode 4-3.Winding the lower thread 4-4.Installing the bobbin case 4-5.Thread tension 4-5-1.Lower thread tension 4-5-2.Upper thread tension 4-6.Thread nipper device Page 4-7.Inserting the button (BE-438F) 4-8.Adjusting the button clamp (BE-438F) 4-9.Installing the accessory spring (BE-438F) 5-1.Name and function of each operation panel item Page 5-2.Program setting method Page Page Page 5-3.Copying programs 5-4.Checking the sewing pattern (KE-430F) 5-5.Checking the sewing pattern (BE-438F) 5-6.Correcting the upper thread tension 6-1.Setting memory switches 6-2.List of memory switches Page 6-3.Using the lower thread counter 6-4.Using the production counter 6-5.Using cycle programs Page Page Page 6-6.Direct selection 6-7.Resetting all settings to their defaults 7. SEWING 7-1.Sewing 7-2.Changing sewing conditions 8. MAINTENANCE 8-1.Cleaning the rotary hook 8-2.Cleaning the control box air inlet ports 8-3.Draining the oil 8-4.Cleaning the eye guard 8-5.Checking the needle 8-6.Lubrication 8-7.Applying grease (Work clamp: KE-430F) 8-8.Applying grease (When “GREASEUP” appears) Page Page Page 9. STANDARD ADJUSTMENT 9-1.Standard thread tension 9-1-1.Upper and lower thread tension 9-1-2.Thread take-upspring 9-1-3.Arm thread guide C 9-1-4.Needle bar bush thread guide D 9-2.Adjusting the needle bar height 9-3.Adjusting the needle bar lift amount and the driver needle guard 9-4.Adjusting the needle clearance 9-5.Adjusting the shuttle race thread guide 9-6.Rotary hook lubrication amount 9-7.Replacing the movable knife and fixed knife 9-8.Adjusting the work clamp lift amount (KE-430F) 9-9.Adjusting the button clamp lift amount (BE-438F) 9-10.Adjusting the holding pressure (BE-438F) 9-11.Adjusting the position of the button clamp (BE-438F) 9-12.Adjusting the thread wiper 9-13.Checking the machine head switch 10. TABLE OF ERROR CODES Page Page Page 11. TROUBLESHOOTING Page Page 12. 7-SEGMENTDISPLAY LIST