Tension Of Timing Belt - Singer Futura CE-150 Service Manual

12. Tension of timing belt

Check
This checking is needed before adjusting "Needle timing to shuttle".
1. Remove the covers
2. Push on the belt, it should not be to hard or to loose.
- Too weak tension may result in slippage between shuttle gear and lower shaft
gear due to thread jamming, bunching and fabric snagging.
- Too strong tension may result in incorrect operation due to increased machine torque.
Adjustment
1. Loosen two screws(B) on support plate for idler pulley (A)
2. Move the position of idler pulley (A) ontil the correct belt tension is obtained.
3. Tighten the two screws (B).
A
B
Singer Furtura III series 17