B. Thread Tensions
Set all thread tensions at a light level of tension. When pulled by hand, thread
should move freely through the needle, with little resistance. Make sure tensions
are not over tight. Too tight tensions will cause gathering of material.
C. Needle Height
See figure 09 (note: height specified in the diagram is for reference. Needle height
should be adjusted as necessary to properly work with the loopers.
D. Throat Plate Position
The throat plate should be set to the machine so that there is 1/ 16 inch (1.6mm)
between the point of an ent ering needle and the front of the needle slot (figure
10). An incorrectly set throat plate may cause needle breakage and damage the
feed dogs. To adjust, lift the presser foot. Swing out the cloth plate cover and
remove the throat plate. This gives access to the hidden screw holding the throat
plate base to the machine frame (figure 11). Now loosen the other three base
plate screws and adjust the position of the throat plate. Tighten just the three
available base plate screws to test the adjusted throat plate position. Once the
setting is correct, and the three available screws are firmly tightened, remove the
throat plate from the base. Tighten the last screw, and replace the throat plate.
E. Lower Looper Adjustment
As shown in Figure 12, when the lower looper is at the extreme left of travel, set
the distance (J) from the looper to the center of the needle at 9/64 inch (3.7mm).
To adjust, loosen the pinch screw indicated, and turn the looper holder on its arm.
If the distance is set to small or too large, skipped stitches may result when
sewing with certain types of thread.
The lower looper should clear the upper looper by the thickness of a piece of
paper (.004 inch or 0.1mm) as indicated on figure13. Too large a clearance will
break the needle or damage the looper.
From the library of: Diamond
Needle
Corp
Summary of Contents for GAP-X5
Page 2: ...From the library of Diamond Needle Corp...
Page 3: ...From the library of Diamond Needle Corp...
Page 13: ...Lubrication From the library of Diamond Needle Corp...
Page 14: ...Checking the cartridge filter and replacing it From the library of Diamond Needle Corp...
Page 15: ...From the library of Diamond Needle Corp...
Page 16: ...From the library of Diamond Needle Corp...
Page 17: ...From the library of Diamond Needle Corp...
Page 18: ...From the library of Diamond Needle Corp...
Page 19: ...From the library of Diamond Needle Corp...
Page 20: ...From the library of Diamond Needle Corp...
Page 21: ...From the library of Diamond Needle Corp...
Page 22: ...From the library of Diamond Needle Corp...
Page 23: ...From the library of Diamond Needle Corp...
Page 24: ...From the library of Diamond Needle Corp...
Page 25: ...From the library of Diamond Needle Corp...
Page 26: ...From the library of Diamond Needle Corp...
Page 27: ...From the library of Diamond Needle Corp...
Page 28: ...FRAME COMPONENTS 1 From the library of Diamond Needle Corp...
Page 30: ...FRAME COMPONENTS 2 From the library of Diamond Needle Corp...
Page 32: ...CRANKSHAFT COMPONENTS From the library of Diamond Needle Corp...
Page 34: ...NEEDLE DRIVING SHAFT COMPONENTS From the library of Diamond Needle Corp...
Page 36: ...FEED MECHANISM COMPONENTS 1 From the library of Diamond Needle Corp...
Page 42: ...CHAIN LOOPER COMPONENTS From the library of Diamond Needle Corp...
Page 44: ...THREAD TENSION COMPONENTS From the library of Diamond Needle Corp...
Page 46: ...LOWER KNIFE COMPONENTS From the library of Diamond Needle Corp...
Page 48: ...Upper Knife Components From the library of Diamond Needle Corp...
Page 50: ...LUBRICATION MECHANISM COMPONENTS From the library of Diamond Needle Corp...
Page 52: ...THREAD STAND COMPONENTS From the library of Diamond Needle Corp...
Page 54: ...From the library of Diamond Needle Corp...
Page 55: ...From the library of Diamond Needle Corp...
Page 56: ...From the library of Diamond Needle Corp...
Page 57: ...From the library of Diamond Needle Corp...
Page 58: ...From the library of Diamond Needle Corp...
Page 59: ...From the library of Diamond Needle Corp...
Page 60: ...From the library of Diamond Needle Corp...
Page 61: ...From the library of Diamond Needle Corp...