4 - 7
Adjustment
In
spection and
Adjustment
Adjustment of Upper thread tension
1. Remove the front cover.
2. Raise the presser foot lifter.
3. Turn the thread tension dial to the “ 4 ” position.
4. Pass the Schappe Spun Sewing Thread #60 through the pre-tension => tension disk.
5. Lower the presser foot lifter.
6. Pull the thread with a tension gauge, and adjust the thread tension adjusting screw depth for 0.41 - 0.46N (42 -
47g).
7. Apply a small amount of screw locking compound to the thread tension adjusting screw.
Screw locking compound for thread tension
adjusting screw
Small amount
XA9154001
Tension gauge 50 (0.5 N)
Thread tension dial
Tension disk
Thread tension adjuting screw
0.41 - 0.46N
(42 - 47g)
Schappe Spun Sewing Thread #60
Tension disk
Schappe Spun Sewing
Thread #60
Pre-tension
Содержание B-500
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Страница 19: ...2 2 Main parts Main parts location diagram Main unit ...
Страница 32: ...2 15 Disassembly Electrical parts and main motor Electrical parts and main motor location diagram Main unit ...
Страница 36: ...2 19 Disassembly Thread tension mechanism Thread tension mechanism location diagram Main unit ...
Страница 39: ...2 22 Bobbin winder mechanism Bobbin winder mechanism location diagram Main unit ...
Страница 43: ...2 26 Feed mechanism Feed mechanism location diagram Main unit ...
Страница 49: ...2 32 Base plate and handle Base plate and handle location diagram Main unit ...
Страница 52: ...2 35 Disassembly Needle presser module Needle presser module breakout diagram Modules ...
Страница 61: ...2 44 Feed and bobbin module Feed and bobbin module breakout diagram Modules ...
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Страница 73: ...3 2 Base plate and handle Base plate and handle location diagram Main unit ...
Страница 81: ...3 10 Feed mechanism Feed mechanism location diagram Main unit ...
Страница 84: ...3 13 Assembly Bobbin winder mechanism Bobbin winder mechanism location diagram Main unit ...
Страница 88: ...3 17 Assembly Thread tension mechanism Thread tension mechanism location diagram Main unit ...
Страница 93: ...3 22 Electrical parts and main motor Electrical parts and main motor location diagram Main unit ...
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Страница 101: ...3 30 Assembly Main parts Main parts location diagram Main unit ...
Страница 113: ...3 42 Assembly Needle presser module Needle presser module breakout diagram Modules ...
Страница 125: ...3 54 Assembly Feed and bobbin module Feed and bobbin module breakout diagram Modules ...
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