Brother BAS-311A User Manual

PROGRAMMABLE ELECTRONIC PATTERN ~R
WITH CYLINDER BED
~-------- ---~~-- BAS-311 A L--- 1 -------'
INSTRUCTION MANUAL
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From the library of: Superior Sewing Machine & Supply LLC

Brother BAS-311A Specifications

General

Type	Single Needle Lock Stitch Sewing Machine
Power Consumption	550W
Presser Foot Lift	13 mm
Motor	Servo motor
Needle Type	DPx5
Needle	Single

Summary

Installation

Positioning

Lubrication and Oil Draining

Adding Oil

Steps for applying lubricant to machine parts.

Oil Draining

Correct Operation

Needle Installation

Guide for correctly inserting the sewing needle.

Upper Thread Threading

Steps for threading the upper thread through the machine.

Bobbin Thread Winding

Instructions for winding thread onto the bobbin.

Bobbin Case Installation and Threading

Procedure for installing the bobbin case and threading.

Thread Tension

Instructions for adjusting upper and bobbin thread tension.

Operating Procedure

Using the Step Back Switch

Adjusting the Sewing Speed Control

How to adjust the machine's sewing speed.

Using the Test Switch

Using the Emergency Stop Switch

How to use the emergency stop switch to halt operations.

Standard Adjustments

Needle Bar Height Adjustment

Procedure for adjusting the needle bar height.

Needle Bar Lift Stroke Adjustment

How to adjust the needle bar lift stroke.

Needle to Shuttle Hook Point Gap Adjustment

Setting the gap between needle and shuttle hook point.

Shuttle Driver Needle Contact Adjustment

Shuttle Hook Thread Guide Adjustment

Two-Step Work Clamp Adjustment

Movable Knife Adjustment

Procedure for adjusting the movable knife.

Presser Foot Adjustment

Changing the Presser Foot Lift

Needle and Feed Timing Adjustment

2-Step Work Clamp Operation Adjustment

Changing the Feed Speed

Error No. List

Dip Switch Settings