5-02
5. ADJUSTMENTS
LZ2-B850,B851
e
w
r
e
w
Higest position
Standard
Lowest position
0591M
0592M
0593M
5-2. Adjusting the presser foot height
The standard height of the presser foot
q
is 6 mm when
the presser foot
q
is raised by means of the presser bar
lifter
w
.
1. Remove the two screws
e
and then remove the thread
take-up guard
r
.
2. Loosen the nut
t
of the adjustment screw
y
, and then
turn the adjustment screw
y
so that there is no pres-
sure applied to the presser foot.
3. Raise the presser bar lifter lever
w
. The presser foot
q
will also rise.
4. Loosen the screw
u
and move the presser bar
i
up
and down to adjust the height of the presser foot
q
to
6 mm.
5. Tighten the bolt
u
.
6. Adjust the presser foot pressure using the adjustment
screw
y
, and then tighten the nut
t
.
7. Install the thread take-up guard
r
with the two screws
e
.
5-3. Adjusting the feed dog height
q
1mm
The standard height when the feed dog
q
is at its highest
position above the needle plate is 1 mm.
1. Turn the machine pulley to move the feed dog
q
to its
highest position above the needle plate.
2. Tilt back the machine head.
3. Loosen the screw
w
.
4. Turn the pin
e
to move the feed bar
r
up and down
in order to adjust the height.
5. Securely tighten the screw
w
.
y
t
u
w
i
q
e
r
6mm
