5. ADJUSTMENT.....................................

99

5-1.

Adjusting the needle bar height........................

99

5-2.

Adjusting the needle bar lift amount.................

100

5-3.

Adjusting the driver needle guard ....................

101

5-4.

Adjusting the needle clearance ........................

101

5-5.

Adjusting the shuttle race thread guide ............

102

5-6.

Adjusting the clearance between the shuttle

 

 

hook and bobbin case holder position bracket

 

 

(KE-484C) ........................................................

103

5-7.

Adjusting the work clamp lift amount

 

 

(KE-430B, 430C, 431B, 431C, 433B) ..............

104

5-8.

Adjusting the work clamp lift amount

 

 

(KE-432B, 432C)..............................................

104

5-9.

Adjusting the work clamp lift amount (KE-434B,

 

 

434C, 435B, 435C, 436B, 436C, 484C) ...........

105

5-10.

Adjusting the button clamp lift amount

 

 

(BE-438B, 438C)..............................................

106

5-11.

Work clamp pressure adjustment

 

 

(KE-432B, 432C)..............................................

107

5-12. Adjusting the holding pressure

 

 

(BE-438B, 438C)..............................................

107

5-13. Work clamp closing-distance adjustment

 

 

(KE-432B, 432C)..............................................

108

5-14. Adjusting the position of the button holder

 

 

(BE-438B, 438C)..............................................

109

5-15. Work clamp adjustment

 

 

(KE-435B, 435C, 436B, 436C).........................

109

5-16. Changing the work clamp lift

 

 

(KE-435B, 435C, 436B, 436C).........................

110

5-17. Adjusting the thread wiper ................................

111

5-18. Adjusting the thread take-up amount................

114

5-19. Adjusting the movable knife..............................

116

5-20. Adjusting the position of the thread trimming

 

 

link mechanism ................................................

122

5-21. Adjusting the backlash......................................

123

5-22. Adjusting the presser solenoid position

 

 

(Solenoid specifications) ..................................

124

5-23. Adjusting the sensor perceive plate position

 

 

(Solenoid specifications) ..................................

125

5-24. Adjusting the home position..............................

126

5-25. Adjusting the needle up stop position ...............

129

5-26. Adjusting the tension of the upper shaft timing

 

belt ...................................................................

129

5-27. Checking the head position switch....................

130

5-28. Work clamp interchangeability

 

(KE-433B).......................................................

131

5-29. Work clamp interchangeability (KE-434B,

 

434C, 435B, 435C, 436B, 436C, 484C) ...........

131

5-30. Adjustment of air pressure (Pneumatic

 

specifications)...................................................

132

5-31. Adjustment of inner clamping device ................

132

6. TROUBLESHOOTING ........................

133

7. OPTIONAL PARTS .............................

136

8. ELECTRIC MECHANISM....................

138

8-1. Precautions at the time of adjustment.................

138

8-2. Components inside the control box and

 

the operation panel...........................................

138

8-3. Fuse explanation ................................................

139

8-4. Connectors .........................................................

140

8-5. Explanation of the DIP switches .........................

147

8-6. Explanation of the memory switches

 

(KE-430*, 431*, 432*, 433B, 434*, 435*,

 

484C, BE-438*) ................................................

150

8-7. Explanation of the memory switches

 

(KE-436B, 436C) ..............................................

155

8-8. Setting the work clamp mode..............................

159

8-9. Checking the input sensor and DIP switch

 

input..................................................................

161

8-10. Checking the input voltage................................

163

8-11. Clearing all memory settings.............................

164

8-12. Confirming software version .............................

165

8-13. Table of error codes..........................................

167

8-14. Troubleshooting ................................................

171

8-15. Control circuit block diagram.............................

190

KE-430B, 430C series