Brother LZ2-B852 User Manual

SERVICE MANUAL
FOR
LZ2-B852
LZ2-B853
LZ2-B854
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BROTHER INDUSTRIES, LTD.
NAGOYA , JAPAN
From the library of: Superior Sewing Machine & Supply LLC

Brother LZ2-B852 Specifications

General

Brand	Brother
Model	LZ2-B852
Category	Sewing Machine
Language	English

Summary

Upper Shaft and Needle Bar Mechanism

Lower Shaft and Rotary Hook Mechanism

Zig-Zag Mechanism

Feed Mechanism

Presser Mechanism

Tension Release Mechanism

Lubrication Mechanism

Disassembly: Cover

Disassembly: Rotary Hook

Disassembly: Feed Mechanism

Disassembly: Presser Bar and Needle Bar

Disassembly: Timing Belt

Assembly: Timing Belt

Assembly: Presser Bar and Needle Bar

Assembly: Feed Mechanism

Assembly: Rotary Hook

Assembly: Cover

ADJUSTING PROCEDURES

Needle Bar Position (Left and Right) Adjustment

How to adjust the needle bar's left and right position.

Needle Bar Position (Front and Back) Adjustment

How to adjust the needle bar's front and back position.

Stitch Length Adjustment

Procedure for adjusting the stitch length.

Reference Position Adjustment Lever (Needle Position) Adjustment

Zigzag Width Position Adjustment [LZ2-B854]

Zigzag Width Reference Position Adjustment

Zigzag Lever Reference Position Adjustment

Zigzag Regulator Position (Front and Back) Adjustment

Needle and Feed Timing Adjustment

Adjustment of Needle Sidewise Movement

Needle and Rotary Hook Timing Adjustment

Presser Foot Height Adjustment

Sewing Tension

Feed Dog Height and Level Adjustment

Adjustment of Rotary Hook

Rotary Hook Oil Level Adjustment

Replacement of Thread Cutter

Adjustment of Thread Tension Release

Adjustment of the Quantity of the Bobbin Winding

Troubleshooting Guide