Brother LH4-B800E Service Manual download pdf (Page 68)

LH4-B800E

3 - 13

3. ASSEMBLY

Pass the zigzag connecting rod shaft q through the zigzag lever w and zigzag connecting rod e, and then secure it

by tightening the set screw r.

Pass the wick t through the zigzag connecting rod shaft q and the oil tube y, and then push it into the lubricating

hole u. Push the felt i into the lubricating hole u to prevent the oil tube y from coming out. Install the two fastening

bands o so that they face in the position shown in the illustration.

Pass zigzag lever assembly F !0 through the arm, and position it in the thrust direction using the thrust washer !1 and

the zigzag lever w. Then secure zigzag lever assembly F !0 by tightening the bolt !2.

Install the sensor !3 to the zigzag sensor plate !5 with the screw !4.

Insert the wick !6 into the motor lever shaft !7. Place the washers !8 onto the motor lever shaft !7. Pass the motor

lever shaft !7 through the zigzag connecting rod e and the washers !8 so that the screw stop is aligned correctly, and

then secure to the motor lever @0 by tightening the set screw !9.

Install the zigzag sensor plate !5 to the motor bracket @2 with the screw @1 so that the screw @1 is in the middle of the

slot.

3-7. Needle zigzag mechanism

Knot

12 mm

65 mm

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Brother LH4-B800E Service Manual Page 68