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
64
Problem Cause Check Remedy Page
Upper thread is not
trimmed.
Fixed knife is blunt.
Fixed knife blade
Sharpen or replace
the fixed knife.
Thread jamming.
Poor seam finish on
reverse side of
material.
Incorrect thread
tightness.
Shuttle race thread
guide position
Adjust the position of
the shuttle race
thread guide.
33
Movable knife does
not pick up the
thread.
Needle bar lift
amount
Adjust the needle bar
lift amount.
32
The movable knife does not pick
up the thread because of skipped
stitches at the sewing end.
Skipped stitches at
sewing end
Refer to “Skipped
stitches occur”.
Movable knife
position is incorrect.
Movable knife
position
Adjust the position of
the movable knife.
34
Sub-tension is too
weak.
Sub-tension
Turn the sub-tension
nut to adjust the
tension.
26
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
Incorrect needle and
rotary hook timing.
Needle bar lift
amount
Adjust the needle bar
lift amount.
32
Shuttle race thread
guide is not separating
the threads.
Shuttle race thread
guide position
Adjust the position of
the shuttle race
thread guide.
33
Shuttle race thread
guide is not separating
the threads.
Shuttle race thread
guide position
Adjust the position of
the shuttle race
thread guide.
33
Upper thread is not
properly tight.
Upper thread tension.
Adjust the upper
thread tension.
26
Uneven upper thread
length.
Upper thread length
Adjust the sub-
tension.
26
Upper thread is too
long.
Thread take-up lever
stroke
Adjust the thread
take-up lever stroke.
34
Upper thread tension
is too weak.
Lower thread tension
is too weak.
Upper thread tension
Adjust the upper
thread tension.
26
Lower thread tension
Adjust the lower
thread tension.
26
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
16. TROUBLESHOOTING