6. Checking threading steel pipe joint
a) Set the machine for looper threading.
b) Move the lock button release lever slightly to the right.
c) Check the connecting point whether the looper threading pipe joint and threading
steel pipe is fitted each other properly
. .
7. Checking pump
7-1 Checking deflate from pump
pump or not.
7-2 Replacement of Piston Cap
a) Bring the pump lever to the lowest position and fix it with Scotch tape or something like that.
b) Remove bace plate.
c) Remove piston driving arm fixing screw 1
1 (SM3005IK).
d) Remove piston driving arm from piston driving shaft.
(It will be easy to remove the arm from the shaft, if you push the shaft to the rightward
direction.)
e) Remove piston assembly from cylinder
(It will be easy to remove piston assenbly from cylinder, when the needle is in the lowest
position.)
f) Replace piston cap.
g) Greace piston cap a little bit.(MOLYKOTE EM-50L)
h) Return piston assembly to cylinder.
Holding the pump tube 6, push down the pump lever 15 and check if air is deflated from
i) Fit piston driving arm to piston driving shaft properly and tighten fixing screw SM3005IK firmly
.
(It will be easy to fit the arm to the shaft, if you push the shaft to the leftward direction.)
j) Check and confirm whether the pump works properly or not.
k) fix bace plate.
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