8. ELECTRICAL MECHANISM

 

 

 

 

 

 

 

 

 

 

 

 

 

Problem

#4

Panel keys do not work.

 

 

 

 

 

 

 

 

 

 

 

 

Cause

Inspection/Remedy/Adjustment

Replacement if a malfunction

 

Malfunction of panel P.C. board

Check that connector P1 (PANEL) is inserted

Panel P.C. board

 

 

 

 

 

into the main P.C. board, and that connector

Panel harness

 

 

 

 

 

CN2 (MAIN) is inserted into the panel P.C.

 

 

 

 

 

 

board.

 

 

 

 

 

 

Problem

#5

The work clamp does not return to the home position when the foot switch is depressed.

 

 

 

 

 

 

 

 

 

 

 

Cause

Inspection/Remedy/Adjustment

Replacement if a malfunction

 

1. Malfunction of treadle unit

With connector P6 (FOOT) inserted into the main

Treadle unit

 

 

 

 

 

P.C. board, turn on the power and then measure

 

 

 

 

 

 

the voltages between pins 2-3 at the cord-side

 

 

 

 

 

 

connector. (No. 2 +, No. 3 )

 

 

 

 

 

 

OK if the voltage is approximately 2 V at neutral

 

 

 

 

 

 

and approximately 4 V when the foot switch is

 

 

 

 

 

 

depressed as far as it will go.

 

 

 

 

 

5086Q

 

 

 

 

 

 

 

2. Malfunction of two-pedal foot

Disconnect connector P6 (FOOT) from the main

Foot switch

 

switch

 

 

 

P.C. board, and check the continuity between

Foot switch cord assembly

 

 

 

 

 

pins 5-6, 7-8 and 8-9 at the cord-side connector.

 

 

 

 

 

 

OK if normally ∞ Ω, and 0 when the foot switch

 

 

 

 

 

 

is depressed.

 

 

Work clamp

Work Start

 

 

 

(Second

clamp

 

 

 

position)

 

5087Q

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Problem

#6

Home position is incorrect.

 

 

 

 

 

 

 

 

 

 

 

 

Cause

Inspection/Remedy/Adjustment

Replacement if a malfunction

 

Incorrect home position adjustment

Switch to home position adjustment mode, and

 

 

 

 

 

 

adjust the position of the home position dog.

 

 

 

 

 

 

(Refer to “7-20. Adjusting the home position”.)

 

BAS-311G, BAS-326G

127

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Image 134
Brother BAS-311G service manual 127

BAS-311G specifications

The Brother BAS-311G is a state-of-the-art industrial sewing machine designed specifically for advanced garment manufacturing. This high-speed, fully automated model is engineered to meet the demands of modern production environments, offering exceptional performance and versatility.

One of the key features of the BAS-311G is its automatic thread trimmer, which significantly reduces downtime and enhances productivity. This machine is capable of cutting the thread at the end of each seam, ensuring a clean finish and minimizing the need for manual intervention. This feature is especially beneficial in high-volume production settings where efficiency is paramount.

The BAS-311G also boasts an advanced automatic needle positioning system, allowing users to set the needle to stop in the up or down position. This functionality enhances control over the sewing process, making it easier to pivot and maneuver fabric, which is crucial for intricate designs and patterns. This precision is a boon for manufacturers looking to improve the quality of their finished products.

Another notable aspect of the BAS-311G is its versatility. The machine is equipped with an adjustable stitch length feature, enabling users to customize stitches according to specific project needs. This flexibility allows for the production of a wide range of garments, from delicate fabrics to thicker materials, making it suitable for various industries including fashion, sportswear, and workwear.

In terms of technology, the BAS-311G incorporates Brother's pioneering technology that ensures smooth and reliable operation. The machine includes a digital control panel, which simplifies the selection of stitch patterns and settings. Users can easily navigate through options, making adjustments on the fly, which is crucial in a fast-paced production environment.

Built with durability in mind, the BAS-311G is engineered for heavy-duty use with high-quality materials that withstand the rigors of daily operation. Its robust construction ensures longevity and sustained performance, making it a wise investment for businesses seeking reliable machinery.

In summary, the Brother BAS-311G is an excellent choice for manufacturers looking to enhance their sewing operations. With features such as automatic thread trimming, adjustable stitch lengths, and advanced technology integration, it stands out as a top-tier industrial sewing machine designed to improve efficiency and quality in garment production.