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adjustment procedure with REV1.4A and REV2.0N (Nolting) software

REV 1.4A of the IntelliStitch software provides adjustment means to set the single stitch speed, the needle top position and the freehand speed range. The SPEED SELECTOR dial is used to select the adjustment modes:

STITCHES/INCH SETTING

12
10
3
ADJUSTMENT MODE

single stitch speed
needle top position
freehand speed range

If other than the above settings is selected a beep will indicate improper setting when attempting to start a single stitch.

The MODE SWITCH is used to select between incrementing and decrementing an adjusted parameter.

Note that the single stitch adjustment changes parameters that affect the needle top position and the freehand speed range, so it should be performed first.

If an unadjusted unit is turned on, four beeps and flashing red light will signal that the unit automatically went into adjustment mode. After a single stitch the unit is ready for adjustments.

To enter the adjustment mode on a previously adjusted unit the SINGLE STITCH button should be held down while powering up the unit.


A. SINGLE STITCH SPEED ADJUSTMENT

In this mode the speed of both the slow and fast single stitch can be adjusted.

SLOW SINGLE STITCH

  1. Turn the SPEED SELECTOR dial to 12 stitches/inch position.
  2. Push and hold down the SINGLE STITCH button. A single stitch will be made and the green light is turned on indicating the unit is ready for adjustment.
  3. Check the speed and strength of the single stitch.
  4. If the speed and strength are sufficient, release the SINGLE STITCH button, the adjustment is completed.
  5. Slide the MODE SWITCH to REG. position if the speed needs to be decreased, to FREE position if increasing is necessary.
  6. While still holding the SINGLE STITCH button down hit the START button. A beep will indicate that the speed was increased/decreased and the new value was stored in the unit's memory. A missing beep indicates that a high/low limit was reached.
  7. Release the SINGLE STITCH button and repeat the procedure from Step 2 until the desired speed is reached.

FAST SINGLE STITCH

  1. With the SPEED DIAL at the 12 stitches/inch position push and hold down the START button. A fast single stitch will be made and the green light is turned on indicating the unit is ready for adjustment.
  2. Check the speed and strength of the single stitch.
  3. If the speed and strength are sufficient, release the START button, the adjustment is completed.
  4. Slide the MODE SWITCH to REG. position if the speed needs to be decreased, to FREE position if increasing is necessary.
  5. While still holding the START button down hit the SINGLE STITCH button. A beep will indicate that the speed was increased/decreased and the new value was stored in the unit's memory. A missing beep indicates that a high/low limit was reached.
  6. Release the START button and repeat the procedure from Step 1 until the desired speed is reached.

IMPORTANT NOTE: In order to save the single stitch speed (or any other parameter) on a previously unadjusted unit there must be at least one adjustment per parameter. Even if a setting comes up correct, an incrementing cycle followed by decrementing should be taken to save the original setting.


B. NEEDLE TOP POSITION ADJUSTMENT

The needle top position adjustment has two steps: First a mechanical adjustment of the needle encoder should be performed using fast single stitch, followed by the adjustment of the software using slow single stitch.

MECHANICAL ADJUSTMENT (TIMING)

  1. Turn the SPEED SELECTOR dial to 10 stitches/inch position.
  2. Hit the START switch. A fast single stitch will be made.
  3. If the needle stops at the right position, continue with the software adjustment.
  4. If the needle did not stop at the right position, loosen up the encoder coupling and turn the needle shaft to the desired position while holding the encoder shaft at its position where the stitch was finished.
  5. Tighten the encoder coupling and repeat the procedure from Step 2 until the desired position is reached.

SOFTWARE ADJUSTMENT

  1. With the SPEED SELECTOR DIAL at 10 stitches/inch setting push and hold down the SINGLE STITCH button. A single stitch will be made and the green light is turned on indicating the unit is ready for adjustment.
  2. Check the position of the needle.
  3. If the position is correct, release the SINGLE STITCH button, the adjustment is completed.
  4. If the position is not acceptable, turn the needle shaft manually, always in forward direction, to the correct position, while the SINGLE STITCH button is still held down. Note that some overrun will occur which should be considered when turning the needle to the new position.
  5. While keeping the SINGLE STITCH button down, hit the START button. The buzzer will sound to indicate that the new position was stored in the unit's memory.
  6. Release the SINGLE STITCH button and repeat the procedure from Step 1 until the desired needle position is reached.

Note that in some cases double stitching occurs during the software adjustment. This may be due to unnecessary high single stitch speed. In such cases a repeated single stitch speed adjustment is necessary to eliminate the effect.


C. FREEHAND SPEED RANGE ADJUSTMENT

  1. Turn the SPEED SELECTOR dial to 3 stitches/inch position.
  2. Push and hold down the SINGLE STITCH button. After a single stitch the motor will run continuously with the slowest freehand speed and the green light will indicate that the unit is ready for adjustment.
  3. Check all the other speed settings by turning the SPEED SELECTOR dial while holding the SINGLE STITCH button down. Note that the SINGLE STITCH button should be held down continuously during the whole procedure.
  4. If the speed settings are acceptable, release the SINGLE STITCH button, the adjustment is completed.
  5. Slide the MODE SWITCH to REG. position if the speed needs to be decreased, to FREE position if increasing is necessary.
  6. While still holding the SINGLE STITCH stitch button down hit the START button. A beep will indicate that the speed was increased/decreased. Repeat the procedure from Step 2 until the desired speed range is reached.
  7. Release the SINGLE STITCH button to save the adjusted speed range in the memory.

After all of the desired adjustments are made the power should be turned off and on again to start the unit in normal operating mode.