How to mend Lervia Dh4000

I need spare screws for the bobbin to alter tension please for lervia kh400?

where can i buy new bobbin?

Lervia Free Arm sewing machine KH4000 ?

lervia HK4000 won't sew?

how can i fix my Lervia KH400 sowing machine?

how to thread lervia sewing machine?

were is the tune up screw on lervia kh 4000?

my timing needs fixing on my lervia,?

has any body got the operating instructions for lervia kh4000?

how do fix my lervia kh4000?

How do I unjam my Lervia KH4000 Sewing Machine?

what then could be wrong?

Lervia KH 4000?

It won't pick the bottom thread up?

lervia kh 4000?

how can i fix lever ?

Lervia KH4000 Bobbin won't wind?

sewing machine wont pick up thread?

Sewing machine issue?

do i have to remove base to put bobbin in?

re Lervia dh4000?

lervia kh 4000?

Jammed?

how can i fix my lerviakh4000 wont sew?

won't pick up lower thread...Lervia KH 4000 (victoria 857)?

lervia sewing machine?

how much do lerviakh4000 cost?

How can I get my Lervia KH4000 working properly?

Stuck Feed dog?

re Tracy question Lervia machine not picking up bottom thread ?