The Adjustment Of The Chain Looper Tension Dial - ELNA 745 Service Manual

THE ADJUSTMENT OF THE CHAIN LOOPER
1. Remove: Mains lead - Front cover
2. Open Front Flap.
3. Peel a label "a" from the surface of screw "b" with a needle or a tool with sharp point
and remove a tension dial "c" (brown) by loosening a screw "b".
4. Use a 50 (3 ply) cotton thread to check the tension value with the tension
gauge.
Brown tension : 15 to 20 gr.
5. If not, adjust the tension value with the tension adjustment plate screw "d".
Turn the screw "d" by one notch clockwise to increase or in reverse to
decrease tension value.
6. Make sure if a notch of the screw "d" faces against an indicator "p". (See Fig. 1)
7. Set back a tension dial "c" with the mark "N" above into a shaft "e". (See Fig. 2)
8. Fasten a screw "b" and put back a label "a" with glue.
p
d
Fig.1
TENSION DIAL
e
d
c
Fig.2
G
b
a