Janome HD9 - Check Spring Stroke; Pre-Tension Dial

9
11. Check Spring Stroke
The amount of the needle thread supplied by the check
spring should be 11 to 15 mm.
Thread the machine up to the thread guide
q
and
lower the presser foot.
Lower the needle bar to the lowest position.
Hold the thread end and mark the point
w
on the
thread beside the thread guide.
NOTE:
There should be no slack in the thread.
Pull the thread gently to the left until it stops (the
check spring
e
went full stroke).
Measure the length of thread drawn out.
Loosen the setscrew
r
and move the tension dial
guide
t
to adjust the stroke.
• If the length is too long, turn the guide in the direction
A
.
• If the length is too short, turn the guide in the direction
B
.
Tighten the setscrew
r
.
q
w
e
t
r
q
r
A
B
11 to 15 mm
12. Pre-tension Dial
The standard position of the pre-tension dial is as follows:
The screw head
q
sinks 4 mm below the dial face.
q
w
4 mm
z
x
c
v
b
n