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E R Classic Sc12 Manual

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Comments to date: 5. Page 1 of 1. Average Rating:
thyokel 7:14am on Tuesday, October 26th, 2010 
I just purchased one of these for a pc I built for a friend. In years past I was pretty much anti-ati.
llaume 9:10pm on Wednesday, September 1st, 2010 
The ATI Radeon HD 4850 X2 graphics cards deliver up to 2x the performance per watt of the previous generation. Featuring a closed-loop liquid cooled system, the Sapphire Radeon HD 4870 X2 Atomic ST-6026 brings workstation class cooling to the PC.
murraybs 5:02am on Thursday, July 22nd, 2010 
Ok performance, does not quite fit Dell Optiplex 980 SFF I bought this to fit into a Dell Optiplex 980 Small-Form-Factor unit. is it ok Not Using the card for games at all, but for streaming video from card to high definition television.
Toad 8:30pm on Saturday, April 24th, 2010 
This has been my primary video card from 12/2007 - 12/2010, and during that time I was generally very happy with it. However. I have had this card for nearly a year in my Windows 7 system.
eddy 4:51am on Tuesday, March 23rd, 2010 
This is a great card for the cost. It plays WoW on all the highest settings with a solid 60 fps. Even in Oggrimmar with all the players. In Series graphics card ATI Radeon HD 4600.

Comments posted on are solely the views and opinions of the people posting them and do not necessarily reflect the views or opinions of us.




Instruction Manual

For generic HA-class Sewing Machines

Your HA-1 Sewing Machine

This is a generic instruction manual for straight stitch sewing machines that are commonly known as HA-1s. The HA-1 machine is mechanically a clone of the very old Singer 15 class, such as the 15-30 or 15-87. Many later 15 class Singers, such as the 15-91, used a different shuttle/bobbin case arrangement which was mostly reversed from this style. However, this early style became so prevalent that Singer eventually switched back to the earlier arrangement. HA-1 machines have been sold with hundreds of different nameplates, but are all essentially the same. Most of the HA-1 machines have been built in the far eastern countries since the end of WW2. There have been numerous modifications, but the basic machine has remained so similar that this instruction book will cover the important points for many machines. The bobbins are the common 15 class, and the needles are known as 15X1 (US), 705 (H or B, European), or HAX1 (Japanese or other far eastern), followed by the # that designates the size. A US size 16 = a European size 100, size 14 = size 90, size 12 = size 80. The European # tells the actual size of the needle, such as the 100 is 1mm in dia., the 80 is.8mm in dia., etc. Prepared by: Bill Holman Madison, WI


To replace the needle, raise the needle bar to its highest point by turning the hand wheel (Fig. 3) TOWARD YOU by hand. Loosen the needle clamp screw (A) on the right hand side, and the needle clamp will open, allowing the old needle to slip out. Remove the old needle and slide the new needle up, (FLAT SIDE TO THE RIGHT) as far as it will go. When the needle hits the stop, it is positioned correctly. Tighten the needle clamp screw securely. For best results change needle frequently. Note: Use only 15X1, 705, or HAX1 class needles.


Never use a bent needle, nor one with a blunt point, since this causes imperfect stitches and may cause the needle to break. Unless the needle is in all the way, flat side to the right, the machine will not function correctly, and you will not get good results. The size of the needle should conform to the size of the thread, and both should be suitable for the material being sewn. In most applications, use the same thread top and bottom, and always use good quality thread and needles. -3-


Important In the following operations, the needle must always be above the surface of the machine. In raising the needle, always turn the hand wheel toward you.


Slide or lift the access plate. (Fig. 4) With left thumb and forefinger, open the hinged latch (A-Fig. 2) on the bobbin case, and hold securely as you withdraw it from the post. (D-Fig. 2) *Note the position of your fingers on the latch, because it is important to grip it the same way when reinserting it into the machine.
After installing the bobbin in the case, grip the latch with your fingers in the same position* as when you removed it. (Note: If you grip it with your fingers pointed directly toward the case, it will be difficult to install it in the machine.) Guide the bobbin case back onto the post with the finger (B-Fig. 2) into the notch (C-Fig. 2). This should be an easy operation requiring no force. When you release the latch, it will snap onto the groove on the post, and the three or four inches of thread hanging free from the bobbin case will be brought up through the needle plate as shown on page 8.


Note: This machine uses standard 15 class bobbins. The bobbin can also be wound while the machine is in operation by not releasing the stop motion knob as described below, in which case, machine and bobbin winder will operate at the same time. While holding the hand wheel with the left hand, turn the stop motion knob toward you. This will permit the hand wheel to turn freely while the needle bar remains still. Place a spool of thread on spool pin (A). Pass the thread through the tension disk (B) at right corner of the base of the machine. Attach the thread to an empty bobbin by winding it around numerous times or inserting it inside out through one of the holes. Place the bobbin on spindle (C). Push the bobbin winder (D) down until the snaps against the hand wheel, and finger (E) drops between the sides of the bobbin. Operate the motor until the bobbin is full or the finger (E) snaps up and disengages the bobbin winder. Do not over fill the bobbin. Cut the thread, and tighten the stop motion screw while holding the hand wheel. Your bobbin is now ready to be inserted in the bobbin case (pg. 6) and installed in the machine (pg. 4). -5-
Hold the bobbin case between the left thumb and forefinger with the slot up. With 4 or 5 inches of thread trailing in the direction shown
.insert the bobbin into the bobbin case and pull the trailing thread back into the slot, down and to the left, until it snaps into the delivery eye under the tension spring. When you pull on the thread, looking at the bobbin in the open side of the bobbin case, the bobbin should rotate clockwise.
There should be a slight but consistent tension (drag) on the thread as it is pulled through the delivery eye. The tension can be increased by turning the tension screw clockwise decreased by turning it counter-clockwise.


1 Place a spool of thread on spool pin (A). 2 Bring the thread from the back of the spool, (so that the notch in the spool is up) and lead it through thread guide (B). 3- Run the thread down, between, and under the tension disks (C) from back to front. 4 Bring the thread over the guide bar (D) and through the check spring (E). 5- With the take up lever (F) in its uppermost position, bring the thread through it from back to front. 6 Run the thread through guides (G) & (H). 7 Thread the needle from left to right, drawing it through about 4-5 inches. -7-


Thread machine as per pages 6 & 7. Pick up the bobbin thread by holding the loose end of the needle thread with your left hand while turning the hand wheel toward you until the needle moves down and up and the thread take up lever has reached its highest position. Pull gently on the needle thread where it is looped down through the needle plate, and the bobbin thread will come up through the needle hole. (If the bobbin thread does not come up, recheck your threading, and be sure that there is 4-5 inches of thread trailing from the bobbin case.) Finally, place both thread ends toward the rear of the machine, with the needle thread going between the two presser foot toes (A). -8-


With the needle raised and the threads drawn back at least 4 inches through the toes of the presser foot, place the material to be sewn beneath the presser foot and lower the presser foot lift lever. Turn the hand wheel toward you until the needle enters the material. Regulate the desired stitch length (Fig. 12) and start sewing. Do not try to help the feeding of the material by pulling by hand, as this may bend or break the needle. Gently guide the material as it feeds in the direction you want to sew.


Stop the machine by releasing the pressure on the foot or knee control and stopping the hand wheel with your right hand. If you are stopping to turn a corner, stop with the needle just entering the material. If you are going to remove the material, stop with the needle and take up lever at their highest positions. Then, raise the presser foot lift lever, draw the material to the back about 6-8 inches, and cut the thread.


Fabric Selector: The height of the feed dog may be regulated according to the thickness or other characteristics of the material being sewn, by proper setting of the drop feed knob.

Fig. 11

1 When sewing normal to thick materials, turn the knob to the NORM position. 2 When sewing thin materials, such as silk, which require a gentler feeding motion, turn the knob to SILK. 3 When a situation arises when you want to move the material by hand, such as in darning or embroidery, turn the knob to the DARN or EMBR position.


The pressure control (Fig. 4, pg. 5) controls the amount of pressure that the presser foot applies to the material. Different HA-1s use two versions of the pressure control, but you can regulate it by screwing it up and down or using the snap release, to find the pressure that provides the best feeding action.
Your HA-1 is equipped with a standard low shank mounting system. With this arrangement, it is easy to find almost any type of presser foot or attachment for your sewing needs.


Regulating the length of the stitch: The machine can be adjusted to from six to thirty stitches per inch, as indicated by the numbers on the stitch indicator plate. Changing the length of the stitch is accomplished as follows: Loosen the stitch length stop control (B, Fig. 12) and move it to the bottom of the slot. Move the stitch length lever (A, Fig. 12) to the desired stitch length. Now, move the stop control up until the control plate (visible in the stitch length slot) touches the bottom of the stitch length lever. Tighten the thumb screw (B) with finger pressure only. At this point, the stitch length is marked, and you can move the lever up to sew in reverse at approximately the same stitch length, and then return it to your desired forward length.


For ideal stitching, the tension on the upper and lower threads should be equal, and just sufficiently strong to lock both threads in the center of the work. (Fig. 13) If the upper tension is too tight or the lower too loose, the needle thread will lay straight on the upper surface. (Fig. 14) If the lower tension is too tight or the upper too loose, the bobbin thread will lay straight on the underside of the material. (Fig. 15)
Note: Most minor imperfections in the stitch can be corrected by adjusting the needle tension only. To increase the upper tension, turn the tension knob clockwise. To decrease it, turn counterclockwise. All adjustments should be made gradually, no more than one number at a time. When the presser foot is in the raised position, the upper tension is released, so if you pull on the thread to feel the amount of tension, the foot must be down. If it becomes necessary to adjust the bobbin tension, this is explained on pg. 6, Fig. 7.


Fig. 17
Your HA-1 sewing machine never needs grease. All moving parts which come in contact with others must be covered with a thin film of oil, and should not be allowed to become dry. Oil, when necessary, should be applied at the points indicated by the arrows in Fig. 17, a single drop of oil is usually sufficient if applied in the right place. Oil all spots of contact on the underside of the machine. These spots can be identified by rotating the hand wheel and watching where parts move against one another. The shuttle race should be kept oiled, and frequently, it is wise to snap open the clamps that hold the shuttle retainer, and remove the shuttle to clean the race and apply oil. Once the machine has been oiled, it is wise to run it to distribute the oil, and sew some stitches on a test cloth until oil no longer appears on the thread.
Note: Use sewing machine oil only. Multi purpose oils will often dry leaving a sticky residue behind.


See that the presser foot screw is securely tightened. It is dangerous for the foot to vibrate loose while you are operating the machine. Skipped stitches may be caused by a bent or blunt needle, by incorrect positioning of the needle, the wrong size of needle, or by thread that is too heavy for the selected needle. Breaking needles are usually caused by the operator pulling on the fabric in an effort to help the machine feed. This action will pull the needle out of line and it will strike the presser foot or needle plate. Breaking the upper thread may be caused by: 1 Incorrect threading 2 Not bringing up the bobbin thread correctly 3 Upper tension too tight 4 Bad needle, or clamped incorrectly 5 Needle rubbing against attachments or presser foot 6 Needle eye too small for thread 7 Starting the machine at full speed 8 Starting machine without take up lever at highest point Breaking the lower thread may be caused by: 1 Incorrect threading of bobbin case 2 Too tight a tension 3 Bobbin wound too full to revolve freely 4 Not bringing up bobbin thread correctly 5 Hole in the needle plate damaged by needle strikes Uneven stitches may be caused by: 1 Presser foot not resting evenly on material 2 Feed dogs not high enough 3 Too short a stitch 4 Pulling the cloth 5 Incorrect needle for the thread, or poor quality thread



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