Brother LH4-B800E Service Manual download pdf (Page 47)

LH4-B800E

2 - 22

2. DISASSEMBLY

Remove the screw q, and then remove the lever stopper w.

Remove the screw e, and then remove the lever stopper r.

Remove the screw t, and then remove the balancer y from the cutter bar fixing plate u.

Loosen the set screw i, and then remove the cutter bar fixing plate u from the thread breakage perceiving shaft o.

Remove the two screws !0, and then remove the thread breakage sensor assembly.

Take the thread breakage perceiving shaft o out from the arm.

Remove the plain washer !2, plain washer !3 and screw !4, and then remove the thread guide !5 from the thread

breakage perceiving shaft o.

2-13. Thread breakage detection mechanism

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Brother LH4-B800E Service Manual Page 47