9. STANDARD ADJUSTMENTS

9-11. Adjusting the contact between the knife and the hammer

 

 

 

 

 

0971Q

1. Knife incision

2. Knife incision

3. Two knife

4. Partial knife

is correct

is too deep

incisions

incision

 

 

 

 

 

3090Q

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.Remove the hammer. (Refer to the previous page.)

2.If the knife incision on the surface of the hammer is very deep, if there are two or more incisions on the hammer because different knives were used, or if only part of the incision has been made, grind the surface of the hammer smoothly until a single knife incision can still be seen faintly.

3.The cutting pressure over the whole of the hammer should be uniform so that the material will be cut cleanly.

Grind the surface of the hammer so that the knife incision will be uniform over the whole of the hammer.

*The hammer can be filed until its height is 19 mm.

4.If the material cannot be cut cleanly even though the hammer has been ground correctly, check whether the tip of the knife is worn.

*If the tip is worn, replace the knife.

Do not use the old hammer after the knife has been replaced, otherwise it may damage the tip of the knife.

Adjusting the contact between the knife and the hammer

To see the knife incision more easily, color the cutting surface of the hammer with a marker pen.

1.Operate the hammer three times with the knife making a mark on it each time.

2.Adjust the position of the hammer or contact between the knife and the hammer until the knife consistently makes a mark in the same place.

Filing the cutting surface of the hammer

Use a flat file for filing.

1.Filing the cutting surface of the hammer on which the knife incision breaks off or is shifted 1-1. Grip the hammer in a vise.

1-2. File the surface of the hammer smoothly until the knife incision is erased away.

2.Filing the cutting surface of the hammer in which knife incision is deep

2-1. Grip the hammer in a vise.

2-2. File the surface of the hammer smoothly until a single knife incision can still be seen faintly.

RH-981A

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Brother rh-918a manual Adjusting the contact between the knife and the hammer, Filing the cutting surface of the hammer
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rh-918a specifications

The Brother RH-918A is a versatile and innovative machine tailored for both personal and professional use. As a robust electronic sewing machine, it combines functionality and user-friendly features that cater to a wide range of sewing enthusiasts, from beginners to advanced users.

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The machine is equipped with a powerful motor that provides consistent and strong stitches, able to handle various fabric types, from lightweight cotton to heavier materials like denim and canvas. This capability is critical for crafting garments, home décor items, and more intricate projects.

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In summary, the Brother RH-918A combines a wide range of stitches, user-friendly technologies, and robust build quality, making it an excellent choice in the world of sewing machines. Whether for basic repairs or elaborate creations, this machine stands out for its performance and reliability, appealing to a diverse audience of sewing enthusiasts.
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