Changing Needles; Threading - Husqvarna Viking Huskylock 901 Operating Manual

1-6. Changing Needles

Replace the needles in the following order:
Note: Unplug the machine before replacing the
needles.
(1) Bring needles to its highest position by turning
the handwheel toward you.
(2) Loosen the needle clamp screw and remove
two needles together.
(3) With the flat side away from you, insert two
new needles all the way up into the groove of
the needle bar.
Use standard home sewing machine needles size
#11(#75) or #14(#90).
Changing Presser Foot
❈ Turn the machine off.
1. Raise the presser foot.
2. Raise the needles to its highest position by
turning the handwheel toward you.
3. Push the red button A and the foot will come off.
4. Place the new foot with the pin right underneath
the groove of the ankle and lower the presser
foot. The foot will snap back into place.

2. THREADING

2-1. Threading
When threading the machine from the beginning,
threading must be carried out in the following
sequence:
First: Lower looper threading (A)
Second: Upper looper threading (B)
Finally: Needle threading (C, D)
(1) Upper looper threading (A)
• Bring the upper looper to its lowest position by
turning the handwheel toward you.
• Draw thread from spool and pass it through
guide of the thread stand and then, in order,
through guides ~
• Thread the eye of upper looper
tweezers. Cut the thread leaving about 10cm
(4") of thread tail (Fig. D).
• Close the front cover.
(Fig. A).
using
Removing
A
➀
(D)
➂ ➂ ➂
➄
➅
➃
➄
➅
➆
➇
➈
➇
➉
➈
➇
➆
➈
➉
➈
➇
–5–
Needle clamp screw
Attaching
➀
➀
(C)
(A)
➁
➁
➁
➁
➂
➃ ➃
➃
➅
➄
➄
➇
➄
➅
➆
Fig. A
➀
(B)