Singer 471U - Un Cam Relay; M Upper Shaft

[H] Cam relay
1. Remove the change gear L O the change gear
R O
2. Loosen the set collar O screw O and the collar 0
screw 0.
3. Whilepulling out the worm wheelshaft 0, remove
the set collar 0 and the collar 0.
4. Loosen the two screws 0, remove the free wheel
gear 0, and pull out the change gearshaft 0.
[m Upper shaft
1. Remove the screw 0.
2. Loosen the screw 0, and pull off the thread take-
up crank 0.
3. Loosen the nut 0 (left-hand thread), turn the idler
pulleyarm 0, and loosenthe tensionof the timing
belt.
4. Loosen the two screws 0 on the worm 0.
5. Loosen the two screws 0 on the reduction gear 0.
6. Loosen the screws and while pulling out the
upper shaft 0, remove the worm 0 and the
reduction gear 0.
17-
0
0
0
From the library of: Superior Sewing Machine & Supply LLC