Brother LH4-B800E Service Manual download pdf (Page 73)

LH4-B800E

3 - 18

3. ASSEMBLY

Install the crank rod guide q with the two bolts w and the screw e.

Install the needle bar bracket slide block r to the thread take-up lever set t. Pass the wick o through the support

shaft hole in the arm. Insert the washer y into the thread take-up lever set t, and then install it to the thread take-up

crank u. Insert the needle bar bracket slide block r into the groove in the crank rod guide q. Secure the thread take-

up lever set t by tightening the two set screws i.

Insert the support shaft !0 and secure it by tightening the set screw !1 so that the thread take-up moves smoothly with

no play.

3-10. Needle bar and thread take-up mechanism

(Screw stop side)

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Brother LH4-B800E Service Manual Page 73