Singer XL-420 Manuel D'instructions page 104

CLEANING HOOK AREA AND FEED
DOGS
Always disconnect the machine from power
supply by removing the plug from the wall-outlet.
CAUTION
To ensure the best possible operation of your machine, it
is necessary to keep the essential parts clean at all times.
1. Raise the needle to its highest position.
2. Remove two screws on the needle plate (1) and slide the
needle plate toward you as illustrated for removal.
3. Remove the bobbin case (2).
Put one drop
indicated by the arrows. (A, B)
NOTE: Singer Brand Sewing Machine Oil is suggested.
sewing machine lubrication.
5. Replace the bobbin case with the projection (3) positioned
against the spring (4).
and slide the needle plate into position as illustrated.
Cleaning the sewing machine and footcontroller
Use dry rags to remove dust from the sewing machine and
footcontroller.
102
1
2
3
4
(A)
5
(3)
6
(1)
(2)
(B)
(4)