Table of Contents
Advertisement
Fitting:
•
Insert the new hook driving shaft with bevel gear 59 in the sewing hook bearing (fig. 71).
•
Mount sewing hook 56 with the plastic disk on the sewing hook bearing and set it.
•
Fasten the sewing hook bearing using both screws 121 (fig. 70).
Note that the sewing hook bearing is fastened parallel to the housing.
•
Push the hook driving shaft to the left until circlip rests against the lower right calotte bearing 104.
•
Place the hole of lifting eccentric 119 above the surface of hook driving shaft 28.
•
Swivel in screw 60 of lifting eccentric 119 and fasten slightly (fig. 71).
•
Press lower flat-toothed belt socket 102 to the right against calotte bearing 104 (fig. 70).
•
At the same time tighten one of screws 29.
•
Check that the hook driving shaft has zero play and moves free of binding.
•
Tighten all three screws 29 of the lower flat-toothed belt socket.
•
Slightly loosen screw 60 (fig. 71).
•
Push the bevel gear and lifting eccentric 119 to the left until it rests on bevel gear 59 without any play
(fig. 70 and 71).
•
Tighten screw 60 on the surface of hook driving shaft 28.
•
Screw in dog-point screw 118 into feed eccentric 5 or the hook driving shaft (fig. 70).
Note:
Dog-point screw 118 must always protrude from feed eccentric 5 on the opposite side of screw 60 in
lifting eccentric 119 (fig. 70 and 71).
•
Insert cylindrical pin 12 and fasten with the clamping plate (fig. 70).
•
Adjust the feed driving shaft according to section 2.
•
Fit pin 23 with the washer situated to the left of the pull rod without any play.
•
Tighten screw 22.
•
Pull the feed dog to the front.
Important:
The complete feed driving shaft with top feed must slide slowly to the rear.
•
Fit slide block 8 with the spring on the pin and insert into slide way in the correct curve radius.
•
Check that the slide block can be moved easily without play or binding in the slide way.
•
Push link 7 complete with feed regulator 6 to the right onto the connecting bar pin.
•
Turn feed regulator 6 to the rear and then over feed eccentric 5 from the top.
•
Insert screw 4 with clamping plate 21 and tighten slightly.
•
Shift stud 20 laterally until link 7 and connecting bar 19 only have a slight play and are freely
movable.
•
Tighten screw 4.
•
Fit spring 3.
•
Fit the feed dog lowering mechanism.
•
Attach spring 9.
•
Set the base plate against the machine.
•
Mount the three connection plugs 4, 5 and 6 on the circuit board.
68
- Quick Links:
- Dismantling the Housing
Hide quick links:
Advertisement
Table of Contents
