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Brother LH4-B814 User Manual

Brother LH4-B814
98 pages
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Table of Contents

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Brother LH4-B814 Specifications

General IconGeneral
BrandBrother
ModelLH4-B814
CategorySewing Machine
LanguageEnglish

Summary

A. Machine Body

Machine Body Parts List

Details parts for the main machine structure, including covers, plates, and pins.

B. Needle Bar Mechanism

Needle Bar Mechanism Parts List

Details parts for the needle bar, bracket, support, and thread guide.

C. Upper Shaft Mechanism

Upper Shaft Mechanism Parts List

Details parts for the upper shaft, including pulleys, bearings, and shaft bushes.

D. Zigzag Mechanism

Zigzag Mechanism Parts List

Details parts for the zigzag movement, including shafts, levers, springs, and cams.

E. Clutch Mechanism

Clutch Mechanism Parts List

Details parts for the clutch, stopper, and related levers and springs.

F. Power Transmitter

Power Transmitter Parts List

Details parts for the power transmission system, including base and pulley assembly.

G. Belt Shift Mechanism

Belt Shift Mechanism Parts List

Details parts for the belt shifting mechanism, including levers, bars, and rollers.

H. Emergency Stop Mechanism

Emergency Stop Mechanism Parts List

Details parts for the emergency stop lever and associated components.

J. Tension Pulley Mechanism

Tension Pulley Mechanism Parts List

Details parts for the tension pulley assembly, including arms, levers, and springs.

K. Presser Foot Mechanism

Presser Foot Mechanism Parts List

Details parts for the presser foot, including bar, clamp, and roller assembly.

L. Thread Breakage Detector Mechanism

Thread Breakage Detector Mechanism Parts List

Details parts for the thread breakage detection mechanism.

M1. Feed Mechanism

Feed Mechanism (M1) Parts List

Details parts for the feed mechanism, including cam shafts, levers, and feed dogs.

M2. Feed Mechanism

Feed Mechanism (M2) Parts List

Details parts for the feed mechanism, including cam segments and mounting brackets.

M3. Feed Mechanism

Feed Mechanism (M3) Parts List

Details parts for the feed mechanism, including foot assemblies and guards.

N. Feed Cam Mechanism

Feed Cam Mechanism Parts List

Details parts for the feed cam mechanism, including worms and change gears.

P. Cutter Mechanism

Cutter Mechanism Parts List

Details parts for the thread cutting mechanism, including cams, levers, and knives.

Q. Gimp Guide Mechanism

Gimp Guide Mechanism Parts List

Details parts for the gimp thread guiding mechanism.

R. Vertical and Lower Shaft Mechanism

Vertical and Lower Shaft Mechanism Parts List

Details parts for the vertical and lower shafts, including gears, bearings, and hooks.

S. Lubrication

Lubrication Parts List

Details parts for the lubrication system, including oil pipes, pumps, and holders.

T. Threading Mechanism

Threading Mechanism Parts List

Details parts for thread feeding, tensioning, and guiding mechanisms.

U. Bobbin Winder

Bobbin Winder Parts List

Details parts for the bobbin winding mechanism, including tension and thread guides.

V1. Upper Thread Trimmer Mechanism

Upper Thread Trimmer Mechanism (V1) Parts List

Details parts for the upper thread trimmer mechanism (Part 1).

V2. Upper Thread Trimmer Mechanism

Upper Thread Trimmer Mechanism (V2) Parts List

Details parts for the upper thread trimmer mechanism (Part 2).

W. Lower Thread Trimmer Mechanism

Lower Thread Trimmer Mechanism Parts List

Details parts for the lower thread trimming mechanism.

X1. Attachment Set (Pneumatic One-Pedal Device)

Attachment Set (X1) Parts List

Details parts for the pneumatic one-pedal device attachment.

X2. Attachment Set (Pneumatic One-Pedal Device)

Attachment Set (X2) Parts List

Details parts for the pneumatic one-pedal device attachment (Part 2).

Y. Option Parts

Option Parts List

Details optional parts and accessories available for the machine.

Z1. Accessories

Accessories (Z1) Parts List

Details general accessories included with the machine.

Z2. Accessories

Accessories (Z2) Parts List

Details specific accessories, potentially related to finger guards.

Motor Pulley and V-Belt Selection

Gauge Parts List

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