JUKI lbh-1790 series Engineer's Manual page 59

Procedures of disassembling/assembling
1) Remove the top plate cover.
2) Remove four setscrews 2 in solenoid installing base 1.
3) Loosen setscrew 4 in knife holder 3 and draw out gib-headed shaft 5 in the direction of arrow mark.
4) Lift upward cloth cutting knife solenoid 6, loosen screw 7 in the knife holder section, and remove knife
holder 3.
5) Loosen three screws 8 which are fixing solenoid installing base 1 and cloth cutting knife solenoid 6.
6) Remove the motor cover and the rear cover, and draw out the wiring cord up to the relay p.c.b.
* For the assembling procedure, perform it by reversing the aforementioned steps.
* After assembling, move the washer of cloth cutting knife solenoid 6 to and fro (direction of
arrow mark) and check that it smoothly moves.
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