2.TROUBLESHOOTING
・ The bobbin thread tension may be too tight.
・ The bobbin thread may be threaded
incorrectly.
・ The bobbin thread may be wound too loose.
Item
Method
Standard Action
Burred
edges on
hold in the
needle
plate
Free of
burrs
Repair or
replace
the
needle
plate.
Burred
edges on
the rotary
hook
Free of
burrs
Repair or
replace
the rotary
hook.
See P.36.
Burred
edges on
the bobbin
case
Free of
burrs
Repair or
replace
the
bobbin
case.
Needle plate
Rotary hook
Bobbin case
Preliminary inspection
2-10 Bobbin thread
breaks
-12-
Summary of Contents for ESP9000
Page 1: ...SERVICE MANUAL Embroidery Machine ESP9000 15 needles...
Page 2: ......
Page 13: ...FIG 3 48...
Page 24: ...FIG 4 59...
Page 36: ...Connection of connector CN 10 Must be connected correctly Replace See P 47 CN10 11...
Page 40: ...Picker height C 7 9 mm when piker solenoid is ON Adjust See P 27 15...
Page 58: ...FIG 2 FIG 3 201 3 0 1 0 3 mm 22...
Page 63: ...FIG 4 e Drive arm FIG 5 27...
Page 70: ...FIG 3 34...
Page 72: ...FIG 2 FIG 3 201 3 0 1 0 3 mm 22...
Page 74: ...FIG 2 FIG 3 Needle bar Stopper Needle bar Connecting stud 24...
Page 77: ...FIG 4 e Drive arm FIG 5 27...
Page 84: ...FIG 3 34...
Page 86: ...FIG 4 31...
Page 88: ...FIG 4 33...
Page 90: ...FIG 2 35...
Page 93: ...2 a Sensor arm 3 38...
Page 95: ...FIG 3 FIG 4 VR6 Power supply board 40...
Page 97: ...FIG 3 FIG 4 0 5 to 0 8mm 0 2mm or less Hook support hook support 37...
Page 100: ...FIG 4 40...
Page 103: ...FIG 2 Needle bar c Top dead center stopper needle bar connecting stud FIG 3 43...
Page 105: ...FIG 5 45...
Page 111: ...Printed in Japan 2002 8...