Adjusting The Speed Controller And Air Pressure; Thread Wiper Adjustment - KANSAI SPECIAL RX/UTC Series Instruction

【8】ADJUSTING THE SPEED CONTROLLER AND AIR PRESSURE
■ S peed controller F controls the speed when the thread
trimmer knife holder protrudes. Speed controller G
controls the speed when the thread trimmer knife holder
retracts. If screw F is too loosened, the holder will
protrude too fast and then the position of the movable
knife will be unstable, causing cutting error.
If screw G is too loosened, the holder will retract too fast
and then the looper thread may not be held properly (the
speed controllers are factory-set).
< Note >
Set the regulator at 4~5kg/cm
turn the adjusting knob clockwise. Too fast speed will give
a shock to the knife holder.
before they are caught by the knife or the threads will not
be held properly. It may cause trouble.
【9】THREAD WIPER ADJUSTMENT
1. Tighten screw E to position lever B horizontally.
There should be a 0 to 0.3mm clearance between
bracket C and stopper ring D.
2. Secure shaft F with screw G.
There should be 1mm clearance between lever B and
secure shaft F.
3. Position thread wiper K with screw H.
The distance between the left end of the thread wiper
and the center of the needle bar should be
approximately 19mm when the thread wiper is all the
way to the left and clearance between the needle
center and point P of the thread wiper should be
approximately 1mm.
4. The distance between the left needle and thread
wiper K should approximately 0.5mm with screw A.
5. Position thread wiper K parallel with flat spring M
with screw L.
. To decrease the pressure,
2
Then the threads will be cut
8