Feed Timing - Singer Futura XL-550 Service Manual

7. Feed timing

Check
Note: Always check "Needle bar height", "Feed dog height" before any check is done on "Feed Timing".
1. Set machine at function mode and select straight stitching and maximum stitch length.
2. Set needle to its upper turning position.
3. Turn the hand wheel in the sewing direction,
4. When the feed dog starts its movement backwards it should move 0-0.3 mm, before the needle start to
travel down from its upper turning position.
Adjustment
NOTE! Remove the covers, but the front cover must be connected to the pc board.
1. Set machine at function mode and select straight stitching and maximum stitch length.
2. To adjust the Feed dog timing , loosen up the 2 set screws (A) on the Lower shaft (B).
3. Insert a hex driver into one of the screws.
If feed-dog motion too early - Hold the hex screw in position and turn hand wheel towards you.
If feed-dog motion too late - Hold the hex screw in position and turn hand wheel away from you.
4. Tighten the set screw (A) on the main shaft (B)
5. Turning hand wheel and set the needle to its upper turning position and in the position just before it start
to travel down.
7. Check so the feed dog movement is in the range of 0-0.3 mm, before the needle start to travel down from
its upper turning position.
8. If wrong: Re-do from point 2.
9. If ok : Tighten both set screws fi rmelly after the adjustment.
NOTE! After adjustment , be sure to check and/or adjust "Needle timing to hook"
0 - 0.3mm
12 Singer Furura XL-550
Needle at upper turning position
B
A
A