M3300

Native attachment

supported

Ordinary feet attach by placing the foot pin into the cut-out in the presser-foot holder.

Source evidence · 1 unique proof passage: Profile Proof E1

Holder removal

conditional

The manual shows the source-named presser-foot shank as separately removable from the presser bar.

• This source wording does not establish a standardized low-, high- or slant-shank geometry.

Source evidence · 1 unique proof passage: Profile Proof E1

Zipper foot attachment

conditional

The included zipper foot can attach on the right or left for the side being sewn.

• This is limited to the named included zipper foot; it does not establish generic third-party fit.

Source evidence · 1 unique proof passage: Profile Proof E2

Class system

supported

Singer Class 15 bobbins; four are listed as standard accessories.

Source evidence · 1 unique proof passage: Profile Proof E3

Case loading

conditional

Remove the front bobbin case by its tab, insert the bobbin with thread running clockwise, then insert the case into the shuttle.

• Raise the needle fully and switch power off before insertion or removal.

Source evidence · 1 unique proof passage: Profile Proof E4

Unwind direction

supported

Clockwise in the removable bobbin case.

Source evidence · 1 unique proof passage: Profile Proof E4

Types and uses

conditional

Singer 2020 sharp needles for natural woven fabrics, 2045 ball-point needles for knits and stretch fabrics, and 2032 leather needles for leather, vinyl and upholstery.

• Use the source-stated sizes and match needle size to fabric and thread.

Source evidence · 1 unique proof passage: Profile Proof E5

Size range

conditional

The chart spans sizes 9 (70) through 18 (110), with narrower ranges for particular fabrics and needle types.

• This is a fabric/thread selection chart, not permission to use every size for every material.

Source evidence · 1 unique proof passage: Profile Proof E5

Insertion orientation

conditional

Flat side of the shaft toward the back; insert the needle as far up as it will go.

• Switch power off before insertion or removal.

Source evidence · 1 unique proof passage: Profile Proof E6

Maximum stitch width

supported

Maximum zigzag stitch width is 5 mm.

Source evidence · 1 unique proof passage: Profile Proof E7

Upper tension starting point

conditional

Basic upper-thread tension starts at 4.

• The manual says no single tension setting suits every stitch, thread or fabric.

Source evidence · 1 unique proof passage: Profile Proof E8

Buttonhole type

conditional

One-step buttonhole using the buttonhole foot and lever.

• Sew a test first and adjust stitch width for the project.

Source evidence · 1 unique proof passage: Profile Proof E9

Needle position direction

supported

For straight stitch, dial 0 is center and 5 is full left.

Source evidence · 1 unique proof passage: Profile Proof E7

Feed area cleaning

conditional

Remove the needle plate and brush lint from the feed-teeth area.

• Disconnect the machine from electrical power first and follow the manual's removal steps.

Source evidence · 1 unique proof passage: Profile Proof E10

Hook cleaning lubrication

conditional

Remove and clean the hook and race with a soft cloth, then apply one to two drops of sewing-machine oil at the named point before reassembly.

• Disconnect power first and restore the hook, race cover, retaining arms, bobbin case, bobbin and needle plate exactly as described.

Source evidence · 1 unique proof passage: Profile Proof E10