8. ELECTRICAL MECHANISM

Problem

#22

Thread wiper does not operate.

 

 

 

 

 

 

 

 

Cause

Inspection/Remedy/Adjustment

Replacement if a malfunction

1.

Incorrect mechanism adjustment

Adjust the thread wiper while referring to “7-11.

 

 

 

 

 

Adjusting the thread wiper”.

 

 

 

 

 

(If it is clear that the thread wiper mechanism is

 

 

 

 

 

not operating, carry out inspections 2. and 3.

 

 

 

 

 

below.)

 

2.

Poor connector contact

Check that connector P1 (MAIN) is inserted into

 

 

 

 

 

the PMD P.C. board.

 

3.

Malfunction

of thread wiper

Disconnect connector P6 (SOL1) from the PMD

Thread wiper solenoid

 

solenoid

 

P.C. board, and measure the resistance between

 

 

 

 

 

pins 2-5 of the cord-side connector.

 

 

 

 

 

OK if approximately 4

 

 

 

 

5088Q

 

 

 

 

 

 

4.

Malfunction of PMD P.C. board

With connector P6 (SOL1) connected to the

PMD P.C. board

 

 

 

 

PMD P.C. board, turn on the power and carry out

 

 

 

 

 

sewing, and measure the voltage between pins

 

 

 

 

 

2-5 of connector P6 (SOL1).

 

 

 

 

 

OK if voltage is output momentarily at the sewing

 

 

 

 

 

end.

 

 

 

 

5089Q

 

 

 

 

 

 

 

 

 

 

 

Problem

#23

Needle does not stop in the up position ([E110] is displayed.)

 

 

 

 

 

 

 

 

Cause

Inspection/Remedy/Adjustment

Replacement if a malfunction

1.

Incorrect adjustment

Adjust while referring to “7-21. Adjusting the

 

 

 

 

 

needle up stop home position” and “7-22.

 

 

 

 

 

Adjusting the needle up stop position”.

 

2.

Malfunction of synchronizer

Refer to inspection #19.

 

3.

Malfunction of cord

Refer to inspection #18.

 

4.

Malfunction

of power supply

With connector P2 (POWER2) connected to the

Power supply motor P.C.

 

motor P.C. board

PMD P.C. board, measure the voltage at the cord.

board

 

 

 

 

 

 

 

 

 

OK if approximately 30 V DC between pins 3-4

 

 

 

 

4892Q

 

 

 

 

 

 

5.

Malfunction of main P.C. board

 

Main P.C. board

6.

Malfunction of motor

 

Motor

136

BAS-311G, BAS-326G

Page 143
Image 143
Brother BAS-311G service manual 136

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.