SINGER 1525 - Manual (Page 29)

Change the needle regularly, especially if it is showing signs
of wear and causing problems. For best sewing results always
use SINGER Brand Needles.
Insert the needle
A. Loosen the needle clamp screw and tighten again after
inserting the new needle. (1)
B. The flat side of the shaft should be towards the back.
C/D. Insert the needle as far up as it will go.
Turn power switch to off ("O") before inserting or removing
the needle.
Needles must be in perfect condition. (2)
Problems can occur with:
A. Bent needles
B. Blunt needles
C. Damaged points
Attention:
as illustrated as follows:
22
Inserting and changing needles
1
2
A C B
A
B
C
D
GB