Mitsubishi PLK-E1010 Instruction Manual

Ref. page & Item

Bad condition

Cause

Remedy

Pre-tension is too loose Trimmer timing is delayed Upper thread tension release timing is too fast

Make pre-tension tighter Adjust trimmer cam position Adjust synchronizer position Delay tension release timing

7-14 7-10 7-18

4. Thread tail from needle is too

Control unit

long after trimming

Tread guide is in wrong position Adjust thread guide position properly

7-5

Control unit

Trimmer function is canceled

Resume trimmer function

Fixed knife is dull

Change it new knife

7-11 7-11

Movable Knife is in wrong position Skip stitching happens at trimming

Adjust movable knife position properly

5. Trimming is not functioned

Fix skip stitching

7-6

Adjust trimmer cam position Adjust synchronizer position Adjust needle and shuttle hook timing properly Adjust needle and shuttle hook timing properly Adjust needle and diver clearance properly Change it new needle Amend needle position Adjust presser foot position properly Increase upper thread tension Adjust tension regulator position properly

7-10 7-18

Trimmer timing is wrong

Needle and shuttle hook clearance is too big

7-2

Needle and shuttle hook timing is not correct

7-2 ---- 7-4 7-2 7-6

6. Skip stitching often happens

Needle is bent

Needle is bent by driver Needle is in wrong position Presser foot position is not correct Upper thread tension is not tight enough

6-3(2)

7-17

Thread tension regulator’s discs are opened during sewing Adjust upper tension release position properly

7-17

7. Stitch forming is loose

Presser foot position is not correct Driver and shuttle hook clearance is very small Presser foot up and down timing is not proper Cables wiring is disconnected System software is not loaded Emergency stop switch is kept ON Start switch is out of order

Adjust presser foot position properly

7-6-1

Change shuttle hook

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Adjust presser foot timing properly Connect all cables precisely Load system software to control box Release emergency stop switch lock Change it new start switch Connect synchronizer cable precisely

7-6-3

3

8. Sewing

5-1

machine does not work even start switch is turned ON 9. Sewing machine runs idle at high speed when power switch is turned ON

6-1(3)

----

Synchronizer cable is disconnected

Control unit

Synchronizer is out of order

Change it new synchronizer

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