AMF 84-55 MJ, Parts And Service Manual, Page: 87 / 91

Revised 09/2005
E-mail: service@amfreece.cz; parts@amfreece.cz ; website: www.amfreece.com
Phones: +420 582 309 146 (Service), +420 582 309 286 (Spare Parts) ; Fax: +420 582 360 606 2-2
84-55
TROUBLESHOOTING
FAULT CAUSE CORRECTION
9.1 Stitching:
9.1.1 General
Thread is caught in the
thread path.
Tension is wrong
Thread take up spring
misadjusted.
Problem with needle.
Spool spin.
Material wrongly
positioned in jig.
Jig damage.
Material flagging.
Check lubrication.
Correct threading (Sec.3)
Adjust tension (Sec. 3).
Adjust the take up (Sec.
3).
Check or Replace
(Sec.3)
Fit friction washer.
Ensure all stitching is in
material (Sec. 2).
Repair jig or replace jig.
Check jig is clamping
material
9.1.2 Slip Stitching Problem with needle.
Problem with the sewing
hook.
Needle thread tension is
too high.
Sewing head speed too
high/low.
Drive speed too high/low.
Check for needle
damage and for correct
needle orientation. Check
the needle size is correct
for thread being used.
(Sec. 3)
Check to see if the hook
point is blunt or worn.
Check the hook timing.
(Sec 7)
Decrease thread
tension.(Sec. 3)
Decrease or increase the
head speed (Sec 5).
Decrease or increase the
drive speed. ( Sec. 5)