1-2. thread take-up spring – Brother BE-438F User Manual
Page 73
9. STANDARD ADJUSTMENT
64
KE-430F, BE-438F
9-1-2. Thread take-up spring
KE-430F
Use
Medium-weight
materials (-03)
Knitted wear
(-0K)
Foundation
garments (-0F)
Heavy-weight
materials (-05)
BE-438F
Thread take-up spring
height (mm)
6 - 11
6 - 11
Thread take-up spring
tension (N)
0.2 - 0.4
0.6 - 1.0
0.15 – 0.35
< Thread take-up spring height >
Loosen the set screw (1) and turn the tensioner body to
adjust the thread take-up spring height.
< Thread take-up spring tension >
Adjust by turning the shaft (2) with a screwdriver.
* When the spring height (stroke) is great or the spring tension is insufficient, it may cause the thread end length to vary after
thread trimming.
2321B
Lower Higher
Weaker
!
Stronger
!
2320B