Service manual

S-4000 TKF, LS Omron
1-46
Released 12/2009
e-mail: [e-mail]; [e-mail]; website: www.amfreece.com
Phones: [phone] (Service), [phone] (Spare Parts); Fax: [phone]
E - MACHINE ADJUSTMENTS
19. CHANGING THE DRIVE BELT
1. Remove the pulley cover ➊ after loosening the M4 screws ➋.
2. By turning the handwheel ➌ adjust the position of the shaft so that the screw ➍ on the pulley ➎
is aligned with screw ➏ on the bearing carrier lower shaft.
3. Lock the position by the holder 24.0030.0.000 ➐, which is included in the accessories. Using
the screw ➏ fix the holder to the bearing holder upper screw.
4. Turn the pulley ➑ of the needle bar shaft, until the needle bar reaches the upper position.
5. Lock the position by the holder 24.0024.0.000 ➒, which is included in the accessories. Using
the screw ➓ fix the holder to the bearing carrier lower mounting screw.
6. Rotate the motor pulley until the marks on the motor pulley and the motor bracket are aligned.
7. Loosen the screws on the motor bracket and move the motor with the machine bracket down to
fit the belt.
8. Fit the belt on the shaft pulleys ➎, ➑ and motor pulley . To tighten the belt , move
the motor bracket with motor up. Tighten the screws to lock the motor bracket. Be sure the
marks are aligned.
9. Remove the pulley holders ➐, ➒.
10. Press the pedal to check the adjustment. The needle bar must be in the upper position.
11. Small changes of the needle bar adjustment are possible in the program parameters:
a) needle bar did not reach the upper position



 push
=> „Ndl up pos 315“ appears on the display. After pressing the button number is
lightening. Requested value is adjusted with and . Press to confirm.



 to obtain the correct position of
the needle bar, increase the value
 
 
 press
, to return to the main screen
b) needle bar went beyond
the upper position



 push
=> =>„Ndl up pos
....imp“



 to obtain the correct position of the
needle bar, decrease the value


 push
, to return to the
main screen.