Instruction manual
Table Of Contents
- Go to Instruction Manual Top Page
- Cover-Top
- SAFETY INSTRUCTIONS
- CONTENTS
- 1. NAME OF EACH PART
- 2. SPECIFICATIONS
- 3. INSTALLATION
- 3-1. Power table
- 3-2. Installing the control box
- 3-3. Installing the rubber cushions
- 3-4. Installing the oil pan
- 3-5. Installing the cushions
- 3-6. Installing the switching plate
- 3-7. Installing the machine head
- 3-8. Installing the head rest
- 3-9. Installing the liquid cooling tank, optional
- 3-10.Installing the operation panel
- 3-11.Connecting the ground wire
- 3-12.Connecting the cords
- 3-13.Installing the belt cover
- 3-14.Installing the foot switch
- 3-15.Installing the spool stand
- 3-16.Installing the eye guard
- 4. LUBRICATION
- 5. OPERATION
- 6. CHECKING THE SEWING PATTERN
- 7. CORRECT USE
- 8. SEWING
- 9. MAINTENANCE AND INSPECTION
- 10. STANDARD ADJUSTMENTS
- 10-1.Adjusting the needle bar height
- 10-2.Adjusting the needle bar lift amount
- 10-3.Adjusting the driver needle guard
- 10-4.Adjusting the needle clearance
- 10-5.Adjusting the shuttle race thread guide
- 10-6.Adjusting the thread take-up amount
- 10-7.Adjusting the movable knife
- 10-8.Adjusting the work clamp lift amount
- 10-9.Work clamp pressure adjustment (KE-432B)
- 10-10. Work clamp closing-distance adjustment (KE-432B)
- 10-11. Work clamp interchangeability (KE-433B)
- 10-12. Adjusting the needle up stop position
- 10-13. Adjusting the thread wiper
- 10-14. Checking the input sensor and DIP switch input
- 10-15. Checking the input voltage
- 10-16. Clearing all memory settings
- 10-17. Moving stitch patterns
- 11. USING THE COUNTERS
- 12. CHANGING FUNCTIONS USING THE DIP SWITCHES
- 13. CHANGING SPECIAL FUNCTIONS USING THE MEMORY SWITCHES
- 14. TABLE OF ERROR CODES
- 15. GAUGE PARTS LIST ACCORDING TO SUBCLASSES
- 16. TROUBLESHOOTING
- 17. OPTIONAL PARTS
- Cover-Last
KE-430B, 431B, 432B, 433B
63
16. TROUBLESHOOTING
Problem Cause Check Remedy Page
Upper thread breaks.
Upper thread tension
is too strong.
Upper thread tension
Adjust the upper
thread tension.
26
Lower thread breaks.
Skipped stitches
occur.
Needle breaks.
Needle is installed
incorrectly.
Needle direction
Install the needle so
that the groove is
facing forward.
23
Thread is too thick for
the needle.
Thread and needle
Use the correct
thread for the needle.
23
Thread take-up
spring tension and
height are incorrect.
Thread take-up
spring tension and
height
Adjust the tension
and height of the
thread take-up spring.
27
Damaged or burred
rotary hook, needle
hole plate or needle.
Damage or burring
File smooth or
replace the afffected
part.
Thread melting
(synthetic thread)
Thread edge
Use a thread cooling
device (optional).
65
Lower thread tension
is too strong.
Lower thread tension
Adjust the lower
thread tension.
26
Corners of needle
hole plate or bobbin
care are damaged.
Damage
File smooth or
replace the affected
part.
Clearance between
needle and rotary
hook tip is too great.
Needle clearance
Adjust the needle
clearance.
33
Incorrect needle and
rotary hook timing.
Needle bar lift
amount
Adjust the needle bar
lift amount.
32
Driver is contacting
needle more than is
necessary.
Clearance between
driver and needle
Adjust the driver
needle guard.
33
Needle is bent. Bent needle Replace the needle.
Needle is installed
incorrectly.
Needle direction
Install the needle so
that the groove is
facing forward.
23
Needle clearance
Adjust the needle
clearance.
33
Needle is touching
the rotary hook.
Needle bar lift
amount.
Adjust the needle bar
lift amount.
32
Needle is bent. Bent needle Replace the needle.
Needle is too thin. Needle and thread
Use the correct
needle for the
material.