Brother LH4-B800E Service Manual download pdf (Page 37)

LH4-B800E

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2. DISASSEMBLY

Loosen the eye bolt w, and then remove lifter shaft A q.

Remove the shoulder screw r, and then remove the ball bearing t and the driving lever roller y.

Remove the set screw u.

Remove the lifter shaft i, small plain washer 8 o and retaining ring E6 !0.

Loosen the set screws !1 and !2.

Remove the retaining ring !3, and then remove the tension release shaft !4, tension release cam !5 and tension

release driving lever !6.

Remove the shoulder screw @0, and then remove the presser lifter connecting rod set e and the lifter shaft assembly

@1.

Remove the two O-rings !8 and the two trimmer driving levers !9.

Remove the spacer @2, plain washer D @3 and bolt @4, and then remove the knee lifter lever @5 from the presser lifter

connecting rod assembly @6.

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Brother LH4-B800E Service Manual Page 37