Brother DB2-B792-100 User Manual

INSTRUCTION MANUAL
FOR
BROTHER DB2 - B792 - 100,-200,-500,-600
SINGLE NEEDLE ADJUSTABLE TOP AND BOTTOM FEED
LOCK STITCH MACHINE With AUTOMATIC THREAD TRIMMER
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Quick rever se
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Presser foot lift
From the library of: Superior Sewing Machine & Supply LLC

Brother DB2-B792-100 Specifications

General

Brand	Brother
Model	DB2-B792-100
Category	Sewing Machine
Language	English

Summary

Machine Specifications

Thread Trimmer Specifications

Details on the thread trimming mechanism for different models.

Thread Wiper Functionality

Information regarding the thread wiper component.

Quick Reverse Operation

Describes the function of the quick reverse feature.

Presser Foot Lift System

Information on the presser foot lift mechanism and its operation.

Shirring Device Description

Details about the shirring device.

Major Parts Identification

Control Box and Wiring

Instructions for connecting wires to the control box and motor.

Earth Wire Connection

Procedure for correctly connecting the earth wire.

Wire Placement Safety

Safety instructions to keep wires clear of rotating parts.

Power Switch Safety

Mandatory safety instruction to turn off power before plug operations.

Air Tube Connections

Detailed steps for connecting air tubes for specific models.

Adjusting Air Pressure

Guidance on setting and adjusting air pressure levels.

Draining Water from Air System

Procedure for removing water accumulation from the air bottle.

Thread Pretension Adjustment

Instructions for setting the thread pretension for trimming.

Treadle Pedal and Synchronizer Adjustments

Treadle Pedal Operation (-100, -200)

How to operate the treadle pedal for slow and high speed sewing.

Treadle Pedal Operation (-500, -600)

Operation details for presser foot and speed control via treadle.

Synchronizer Thread Trimming Signal

Adjusting the synchronizer for thread trimming signal timing.

Needle Position Adjustment

Setting correct needle positions for down and up states.

Bobbin Presser Adjustment

Adjusting the bobbin presser to prevent idle runs during trimming.

Component Adjustments and Replacement

Presser Foot Lift Speed Adjustment

Adjusting the lifting speed of the presser foot.

Treadle Pedal Weight Adjustment

Setting the weight for slow speed sewing and back pedal operation.

Knife Replacement Procedure

Step-by-step guide for removing and replacing the knife.

Knife Installation and Clearance

Instructions for installing the knife and setting clearances.