Cutter Mechanism (1) - Brother HE-800A Service Manual

3-13. Cutter mechanism (1)

4224Q
4225Q
1. Pass the cutter driving arm shaft (1) through the set screw collar (2) and the cutter driving arm assembly (3) in
the direction shown in the illustration.
2. Secure the set screw collar (2) with the two set screws (4) so that the screw stops are aligned correctly.
3. Install the cutter driving arm assembly (3) with the set screw (5) so that there is no play in the thrust direction
and so that there is no gap.
4. Provisionally install the two cutter bar guides (6) with the four screws (7).
5. Install the cutter driving link (8) and the needle bar bracket slide block (9) to the driving shaft holder assembly
(10).
6. Install the cutter driving link (8) to the cutter driving arm assembly (3).
7. Tighten the four screws (7) so that the needle bar bracket slide block (9) moves up and down easily without
play.
8. Install the stopper cushion (11) to the cutter solenoid (12). (It is installed at the time of shipment from the
factory.)
9. Install the solenoid stopper (13) to the solenoid plunger with the spring washer (14) and the two nuts (15) as
shown in the illustration.
10.Install the cutter solenoid (12) to the cutter solenoid bracket (17) with the three bolts (16).
* At this time, install so that the oil tube (18) passes underneath the cutter solenoid bracket (17).
11.Provisionally tighten the bolt (20) to the cutter link bracket assembly (19).
12.Install the cutter driving link (21) to the cutter link shaft (24) with the washer (22) and the retaining ring (23).
13.Insert the shaft of the cutter link bracket assembly (19) to the hole in the cutter driving link (21).
14.Insert the solenoid plunger into the cutter link bracket assembly (19), and then tighten the bolt (20) so that the
end of the solenoid plunger is aligned with the edge of the cutter link bracket assembly (19).
15.Install the cutter solenoid bracket (17) to the arm with the four screws (25).
16.Check that the plunger of the cutter solenoid (12) moves easily.
17.Insert the oil tube (18) and the cord of the cutter solenoid (12) in between tube support U (26) and the arm.
Align
edges
HE-800A
3. ASSEMBLY
4226Q
Insert
4227Q
61