Brother LH4-B800E Service Manual page 37

2. DISASSEMBLY
!8
i
Loosen the eye bolt w, and then remove lifter shaft A q.
Remove the shoulder screw r, and then remove the ball bearing t and the driving lever roller y.
Remove the set screw u.
Remove the lifter shaft i, small plain washer 8 o and retaining ring E6 ! 0 .
Loosen the set screws ! 1 and ! 2 .
Remove the retaining ring !3 , and then remove the tension release shaft !4 , tension release cam !5 and tension
release driving lever !6 .
Remove the shoulder screw @0 , and then remove the presser lifter connecting rod set e and the lifter shaft assembly
@ 1 .
Remove the two O-rings ! 8 and the two trimmer driving levers ! 9 .
Remove the spacer @ 2 , plain washer D @ 3 and bolt @ 4 , and then remove the knee lifter lever @ 5 from the presser lifter
connecting rod assembly @ 6 .
2 - 12
w
q
e
!9
y
t
r
!6
@1
o
!0
u
r
LH4-B800E
!1
!3
!2
!6
!4
!5
@1
@4
@3
@2
e
@5
@6
@0
e