Replacing The Loop Folding Shaft - JUKI MOL-254N Instruction Manual

7. Replacing the loop folding shaft

WARNING
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt
start of the sewing machine.
❸ ❸
1) Turn OFF the power switch and the air.
2) Loosen folding shaft presser spring setscrews ❶ so that folding shaft presser springs ❷ do not push up
the folding shafts.
3) Loosen the screws of joints ❸ and draw out the air tubes from joints ❸ .
Shaft A
❹ ❺ ❺
❹
4) Loosen folding shaft setscrew ❹ .
5) Move the folding shaft in the direction of the arrow to draw it out from driving gear shaft ❺ .
6) Take care not to mix up the front and rear loop folding shafts when installing them. Aligning setscrew ❹
with the flat part of gear shaft ❺ , press the loop folding shaft against the shaft A and tighten setscrew ❹ .
7) Insert the air tubes you have drawn out back to the respective joints ❸ and tighten the screws.
8) Tighten setscrews ❶ at the position where the tip of folding shaft presser spring ❷ does not come in con-
tact with the inner surface of folding shaft bushing ❻ .
Front folding shaft
Rear folding shaft
– 43 –
Setscrew Flat part
Setscrew Flat part
❶ ❶
❶ ❶
❷ ❷
❻ ❻ ❷ ❷