Brother LH4-B800E Service Manual download pdf (Page 46)

LH4-B800E

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2. DISASSEMBLY

Remove the two springs q from the upper thread trimmer lever set w.

Remove the eye bolt e, and then remove the trimmer driving arm assembly r from the trimmer driving lever t.

Remove the eye bolt y and the plain washer u, and then remove the support plate i and the stopper o from the

trimmer driving arm !0.

Remove the retaining ring !1, and then remove the driving arm roller !2.

Remove the nut !3 and the spring washer !4, and then remove the roller shaft !5 from the support plate i.

Remove the eye bolt !6, and then remove the longitudinal feed arm assembly !7 from the trimmer driving lever !8.

Remove the two retaining rings !9, and then remove the longitudinal feed arm roller @0.

Remove the washer @7 and the two shoulder screws @8, and then remove the upper thread trimmer lever set w from

the upper thread trimmer fulcrum shaft @9.

Remove the roller @5.

Remove the screw #0 and the plain washer #1, and then remove the setting plate #2 from the upper thread trimmer

lever assembly #3.

Remove the nut #4 and the plain washer #5, and then remove the support shaft @4 from the setting plate #2.

Remove the two collars #6 and the two screws #7, and then remove the back plate #8 and the stop plate #9 from the

upper thread trimmer lever assembly #3.

Remove the spring $0.

Remove the screw $1, and then remove the spring hook plate $2 from the upper thread trimmer lever assembly #3.

Remove the rubber cap $3.

Loosen the set screw $5 of the set screw collar assembly $4, and then remove the upper thread trimmer fulcrum shaft

@9.

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Brother LH4-B800E Service Manual Page 46