1-68
S-4000
Revised 01/2005
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
ADJUSTMENTS
Changing the Motor or the Timing Belt
Adjust shaft in the head so that needle bar is in upper position. Ensure timing wheel by the holder against
rotation.
Adjust the shaft in bedplate so that mark on timing wheel was in the axis of the screw of the bearing case
and ensure timing wheel by the holder against rotation.
Adjust in parameter “Needle up” 164. Push pedal to turn timing pulley on the motor and insert metal part to
stopping sensor. When motor stops, mark this position on motor flange and on timing wheel.
Loosen motor holder and give timing belt on the pulley and wind it up.
Remove holders of the timing wheels.
Check the adjustment. When the sewing cycle is finished, the needle bar must be in upper position. Valid
range of set value is 164 ± 1.
Needle bar and main
shaft pulley brackets
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