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Brother HE-800B Service Manual Page 80

Electronic direct drive lockstitch button holer.
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6. ASSEMBLY
C
Arm hole
1) Install the tube support (8) with the screw
(9), and then secure the oil assembly (1)
and the oil tube (4) that is connected
between the oil terminal and the oil outlet
so that they do not touch the pulse motor
(for presser lifter).
2) Install the oil tube (10) that is connected to
the oil terminal and the plunger pump with
the tube support M (11) and the screw
(12), pass it through the arm hole, and
then secure it to the arm with the fastening
band (13).
* At this time, bind the oil tube carefully so
as not to break it.
E
1) Pass the wick (20) through the tube support U (21) and push it firmly into the zigzag lever shaft lubrication hole.
2) Install the tube support U (21) with the screw (22).
3) Pass the oil tube (23) around the outside of the tube support U (21) as shown in the illustration.
71
D
0697D
Wick should not
protrude
from here
1) Insert the felt (14) into the bush F.
2) Insert the wicks (15) and (16) into the bush F, and insert the felt
(17) to stop them from coming out.
* At this time, push in firmly so that the felt (14) and the wick (15)
are touching the upper shaft. If they are not pushed in firmly
enough, seizure of the upper shaft may occur.
3) Insert the wick (18) into the bush F, and insert the felt (19) to stop
them from coming out.
0699D
HE-800B
0698D
Upper
shaft
Bush F
Push so they touch
the upper shaft
0700D

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