Singer class 251 - Bobbin Case Threading; Bobbin Replacement Procedure

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
12
TO THREAD THE BOBBIN CASE
Hold the bobbin so that the
thread will unwind in the di-
rection
shown in Fig. 14.
Hold the bobbin case as
shown in Fig. 14 and place the
bobbin into it.
~;~LL
2
► Y { THREAD
DRAW THREAD INTO
UNDER SPRING SLOT
Fig. 15. Pulling the Thread
into the Slot
SLOT
NEAR
TOP
"y,
Fig. 14. Placing Bobbin
in Bobbin
Case
Pull the thread into the slot 1
and under the tension spring 2,
Fig. 15.
3. DRAW
THREAD
INTO ~LIVERY ft
EYE V 'Ji
Draw the thread into the delivery eye
at the end of the tension spring, as shown
in Fig. 16.
Fig. 16. Drawing the Thread
Under the Tension Spring
13
TO REPLACE THE BOBBIN
1. REPLACE BOBBIN CASE
ON STUD
'
2. RELEASE
LATCH
3. PRESS BACK
UNTIL LATCH CATCHES
GROOVE IN STUD
Fig. 17. Bobbin Case Threaded and Replaced
After threading, take bobbin case by latch in the left hand and
place bobbin case on center stud of bobbin case holder, as instructed
in Fig. 17. Release latch. Press bobbin case back until latch catches
groove near end of stud. Allow about two inches of thread to hang free.