35
7) Adjustment of wiper-related parts
ⓐ Unfasten the screw② of the wiper base plate.
ⓑ When the wiper and the needle center are parallel to each other, move the wiper base plate③ up and down to give
a clearance of 14~15mm between the needle plate① and the wiper. Tighten the screw② afterwards.
ⓒ Loosen the screw④ of the wiper rod.
ⓓ Adjust the wiper connecting rod⑤ up and down to set a clearance of 25mm between the needle center and the
wiper, when the wiper is running at its maximum. Fasten the wiper rod screw④ afterwards.
[Figure 69]
[Figure 70]
[Caution]
If the wiper is not positioned properly, the wiper may collide with the presser foot or the needle, and/or the wiper may not
move correctly.
③
②
①
Needle
14~15mm
8) Adjustment of trimming-related parts
A. Setting the position of the trimmer cam
Set the upper shaft collar and the trimmer cam 1.7mm apart from each other. Place the trimmer cam where its
carved line fits with that of the upper shaft. Fasten the screw① afterwards.
[Figure 71]
[Caution]
If the trimmer cam is not positioned correctly, trimming may not function properly or the machine could be jammed.
Upper Shaft
Upper Shaft Collar
①
1.7mm
Trimmer Cam
Carved Line
Carved Point
Upper Shaft
→
→
④
⑤
16mm