Brother LH4-B800E, Руководство по обслуживанию

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LH4-B800E
2 - 10
2. DISASSEMBLY
2-6. Presser lifter mechanism
Remove the two screws
q
, and then remove the clamp sensor dog
w
from the upper thread trimmer driving link
e
.
Remove the screw
r
, and then remove the sensor
t
.
Remove the pan screw
y
, and then remove the clamp sensor plate
u
.
[Remove the zigzag connecting rod while referring to "Needle zigzag mechanism".]
Remove the four screws
i
and the screw
o
.
Remove the two positioning pins
!0
.
Remove the motor bracket assembly
!1
from the top of the arm.
Loosen the set screw
!2
, and then remove the driving arm presser
!3
and the washer
!4
.
Remove the four bolts
!6
, and then remove the presser driving arm
!7
from the guide bracket
!8
.
Loosen the four set screws
!9
, and then remove the two guide shafts
@0
and the guide bracket
!8
.
Remove the bolt
!5
, and then remove the bearing holder
@1
.
Remove the two linear ball bearings
@2
from the guide bracket
!8
.
t
t
r
r
e
q
u
y
w
!0
o
i
!4
!3
!2
!1
!7
!6
!1
!6
@2
@3
!5
!5
@0
!9
!8
!8
!7
!8