User guide
27. CLEANING THE SHUTTLE RACE
When  the  thread  is  tangled  in  the  race  or  lint  gets  into  the 
space  between  the  shuttle  and  shuttle-race,  this  will  cause 
abrupt  heavy  running  or  complete  stoppage  of  the  machine. 
When this occurs
1.  Raise  the  needle  bar  to  its  highest  position  and  take  the 
bobbin case out.
Fig. 40
Fig. 39
2.  Pull  the  KNOBS  {A)  on  both  side  of  shuttle  race  (Fig.  39 
& 40). aside,  then take  out the  outside nn^ and  the shuttle 
body with your fingers.
3.  After  shuttle race  and  bobbin case  have been  cleaned,  put 
all of them back in reverse order.
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