7. ADJUSTMENT
HE-800B
96
7-12
.
Adjusting the upper thread trimming
Upper thread trimming adjustment procedure
When
adj
us
ting f
or
the
fi
rs
t t
im
e
When
the
hom
e po
si
tion
po
si
tion
has
been c
hanged
When
the
long
itudi
na
l f
eed
ar
m
pos
iti
on
has
been c
hanged
When
the
tr
im
m
er
dr
iv
ing
ar
m
po
si
tion
has
been
c
hanged
W
hen
the
lat
er
al
p
os
ition o
f
the upp
er
th
read
s
cis
so
rs
has
been
c
han
ged
W
hen t
he l
ongi
tudi
na
l pos
ition of
t
he u
pper
thr
ead s
cis
sor
s ha
s be
en c
hang
ed
W
hen
the
cut
ting
de
pt
h
of
th
e
upp
er
th
read
sc
iss
or
s h
as
been
cha
nged
W
hen
the
ins
tal
lat
ion
hei
ght
of
t
he
upper
thr
ead s
cis
sor
s ha
s be
en c
hang
ed
W
hen t
he
gr
adu
al
open
ing
tim
ing
of
the
u
pper
thr
ead s
cis
sor
s ha
s be
en c
hang
ed
W
hen t
he op
eni
ng t
im
ing of
the
upper
th
read
sc
isso
rs h
as b
ee
n c
ha
nged
7-2-4.
Work clamp (P) motor home position
1
1
7-12-1. Adjusting the longitudinal feed arm
assembly position
2
2
1
7-12-2. Adjusting the trimmer driving arm
assembly position
3
3
2
1
7-12-3. Adjusting the lateral position of the upper thread
scissors at the sewing start
4
1
7-12-4. Adjusting the longitudinal position of the upper
thread scissors
5
1
7-12-5. Adjusting the cutting depth of the upper thread
scissors
6
1
7-12-6. Adjusting the installation height of the upper thread
scissors
7
1
7-12-7. Adjusting the upper thread scissors gradual
opening timing
8
4
3
2
2
1
7-12-8. Adjusting the upper thread scissors opening timing
9
5
4
3
1
4314Q
4315Q
4317Q
4319Q
1772B
1773B
0798D
1775B
0741D
Summary of Contents for HE-800B
Page 7: ...v HE 800B Oil tank accessory 4732M 4731M 4730M ...
Page 75: ...6 ASSEMBLY HE 800B 66 D E 0688D 0690D ...
Page 126: ...9 ELECTRIC MECHANISM HE 800B 117 Power PCB Cutter PCB LCD panel PCB 0831D 0768D 0769D ...
Page 133: ...9 ELECTRIC MECHANISM HE 800B 124 0851D ...
Page 134: ...9 ELECTRIC MECHANISM HE 800B 125 0852D ...
Page 135: ...9 ELECTRIC MECHANISM HE 800B 126 0853D ...
Page 177: ...MEMO 168 HE 800B ...
Page 178: ...SERVICE MANUAL 2014 Brother Industries Ltd All Rights Reserved HE 800B I3061003D 2014 03 D 1 ...