Bernina B 570 - Thread Cutting; Resetting Upper-Thread Tension to Default

BERNINA International AG Seestrasse 161 CH-8266 Steckborn Schweiz Seite 149 von 172
DRAFT – VERSION
6e Thread cutting
Is used to carry out, step by step, thread cutting function test
Check:
• Select test 6e.
• Press thread cutter key to change between the different
processes.
• A new window opens, and the first step is prompted.
• Press green check key to see the next step (8
steps in total). See table:
Prompt: Action
* Base shaft
position
(needle position)
Start thread cutting sequence
Start thread cutting sequence
211.00
Lower thread in thread reservoir
Lower thread cached by tread catcher
35.00
Open thread tension
Thread tension open
137.00
Upper thread caught by thread catcher
Upper thread cached by tread catcher
143.00
Close thread tension
Thread tension closed
179.00
Separate upper and lower thread
Upper and lower thread cut
185.00
Restore thread tension
Thread tension restored
212.00
Tension sequence finished
Tension sequence finished
212.00
* Value in degree on machine can slightly differ from given value
6f Resetting upper-thread tension to default
Is used to reset from customer changed tension value
Check:
• Select test 6f.
• ‘To Reset Tension Press OK’ appears.
• Press to continue.
• ‘Do you really want to reset?' appears.
• If the answer is Yes, press to reset the upper-
thread tension to default and return to section 6.
• If the answer is No, press to leave the upper-
thread tension settings and return to section 6.