14. ADJUSTING GUIDE FOR JET- AIR THREADING
(EXCEPT BLE1SX)
1) Remove piston driving arm fixing screw.
2) Remove piston driving arm from piston driving shaft and then draw out the piston
assembly from cylinder.
(It will be easy to take off piston driving arm from piston driving shaft, if you push
the piston driving shaft to the rightward direction.)
3) Replace the piston cap to the new one.
4) Give a amall amount of grease(MOLYKOTE EM-50L) around the piston cap and
return the piston assembly to cylinder.
5) Fit the piston driving shaft to the piston driving arm and tighten the screw firmly.
6) Check and confirm whether the pump works propery or not.
7) Lastly check and confirm whether the thread come through the looper eye.
a) In case that there is an air leak in the pump
Piston cap
B5825-03A
13
Grease
(MOLYKOTE EM-50L)
Piston driving
arm fixing screw
Piston driving
arm
Piston driving
arm shaft
Summary of Contents for BL-101
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Page 43: ...4 0 9 0 1 0 3 Height of feed dog 4 Tension release Dropped feed dog adjustment A C B D E...