50
PFM-4000
Part Number 6Z8303
Timing Procedures
Setting the Needle Guards
The needle guard holds the needle in the correct position and protect it from the
looper during stitch formation. The PFM-4000 Flange Machine has a safety stitch
needle guard and an overedge needle guard. Adjust these guards separately and
in the following order:
1
Safety stitch needle guard
2
Overedge needle guards
3
Rear overedge needle guard
4
Front overedge needle guard
Setting the Safety Stitch Needle Guard
The safety stitch needle guard on the PFM-4000 Flange Machine is a two-piece
needle guard.
To set the safety stitch needle guard, refer to
1
Rotate the handwheel clockwise until the needle is in its lowest position.
2
Set the rear needle guard at the needle, just below the needle eye. Make sure
the guard does not deflect the needle.
3
Set the front needle guard so that it touches the needle very gently.
Figure 7.6
Setting the safety stitch needle guard
front needle guard adjustment
(front to back)
rear needle
guard
adjustment
(up and down)
rear needle guard pivotal adjustment
