28
8-3. Adjusting presser foot height
·Standard height of presser foot is 5.5mm, when presser foot ①
is raised by pressing bar lifter ②.
1. Put pressure on presser foot by loosening the nut ③ and
unfastening pressure adjusting nut ④.
2. Raise presser foot ① with pressing bar lifter ②.
3. Disassemble rubber cap ⑤ on the side board.
4. Adjust presser foot at the height of 5.5mm by loosening bolt
⑥ a little and adjusting position of pressing bar ⑦.
5. Fasten the bolt ⑥.
6. Assemble the rubber cap ⑤.
7. Adjust presser foot pressure with pressure adjusting screw
④. Fasten the nut ③.
[ Figure 42 ]
8-4. Adjusting wiper
1. Turn the pulley manually and stop turning when it reaches at
highest position of the thread take up lever.
2. Loosen the two wiper shaft fixing screws① on the wiper
base and press the connecting link② with the hand. Then
adjust the wiper shaft③ so that the gap between the wiper
and the needle is about 2mm and tighten the wiper shaft
fixing screw①.
3. Next, loosen the wiper fixing screw④ and adjust wiper so
that the gap between the lower end of the wiper and the end
of the needle is about 2mm, after which the wiper fixing
screw④ must be tightly fastened.
②
⑥
⑤
⑦
①
5.5mm
④
③
[ Figure 43 ]
①
③
②
④
1mm
2mm
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