Adjusting The Thread Wiper; Adjustment Of Air Pressure - Brother KE-484C Instruction Manual

10-9. Adjusting the thread wiper

3214Q
1. Loosen the set screw (2) and move the wiper arm support (3) up or down to adjust so that the clearance between the top
of the thread wiper and the needle point (1) is 2 ± 0.5 mm when the thread wiper is aligned with the center of the needle.
* Before carrying out this adjustment, check that the needle bar is lowered 3.5 to 4.0 mm from the needle up stop position
when the sewing machine stops.
2. Loosen the two bolts (4) and move the wiper solenoid cover (5) up or down so that the thread wiper is approximately 38
mm from the needle when it is at the standby position.

10-10. Adjustment of air pressure

Increase pressure
3215Q
Approx.
38 mm
1. Air pressure should be 0.5 Mpa.
The air pressure can be adjusted by pulling up and turning
the control knob (2) on the integrator (1).
After adjustment is complete, push the control knob (2)
downward to lock it.
2. If water stands in the bottle of the integrator (1), turn the
drain cock (3) in the direction indicated by an arrow to
drain the water.
3218Q
KE-484C
10. STANDARD ADJUSTMENTS
3216Q
3217Q
40