Check the conditions alongside each answer. Foot attachment, shank type and adapter requirements are separate; one does not establish universal accessory fit.
Needles and threading
Which needles and fabric conditions does the manual specify?
conditional
Use Singer category 2022 needles selected for the material: size 11 for lightweight fabric, 11 or 14 for medium weight, and 16 for heavyweight fabric.
These are fabric-weight table recommendations; no one size is universal and no other needle system is established.
Disconnect the machine from the outlet first. With the needle raised, loosen its set screw, remove it, then insert a Singer #2022 needle fully with the flat surface toward the back and securely tighten the screw.
Keep the machine disconnected throughout removal and replacement; the left and right needles have separate set screws.
Which exact Singer presser feet are supported by the OEM matrix?
conditional
The Singer SA accessory matrix supports Elastic Foot 250060396, Blind Hem Foot 250060496, Gathering Foot 250060596, Lace Foot 250060696, Beading Foot 250060796, and Piping Foot 250060896.
Compatibility is limited to exact model HD0400S through its accepted SA membership and these six exact OEM rows; installation and stitch-specific conditions remain foot-specific.
Turn off the power switch and raise the presser foot before threading. Thread in this order: upper looper, lower looper, right needle, then left needle.
If one thread breaks, rethread all four threads rather than only the broken path.
How should the looper and knife area be cleaned safely?: Disconnect the power plug from the wall receptacle before cleaning, then frequently remove lint from the looper and knife area with a dry lint brush.
How should the machine be oiled safely?: Disconnect the power plug before lubricating, then periodically oil only the diagram-marked points with sewing-machine oil.
Before cleaning your machine, disconnect power line plug from the wall receptacle.
Clean the lint from the looper and knife area often with a dry lint brush.
Before lubricating your machine, disconnect power line plug from the wall receptacle.
The oiling points shown in the diagram, should be oiled periodically.
Use sewing machine oil. Do not use any other oil or damage could result.
Which exact Singer presser feet are supported by the OEM matrix?: The Singer SA accessory matrix supports Elastic Foot 250060396, Blind Hem Foot 250060496, Gathering Foot 250060596, Lace Foot 250060696, Beading Foot 250060796, and Piping Foot 250060896.
Which exact Singer presser feet are supported by the OEM matrix?: The Singer SA accessory matrix supports Elastic Foot 250060396, Blind Hem Foot 250060496, Gathering Foot 250060596, Lace Foot 250060696, Beading Foot 250060796, and Piping Foot 250060896.
Which exact Singer presser feet are supported by the OEM matrix?: The Singer SA accessory matrix supports Elastic Foot 250060396, Blind Hem Foot 250060496, Gathering Foot 250060596, Lace Foot 250060696, Beading Foot 250060796, and Piping Foot 250060896.
BEADING FOOT
#250060796
LACE FOOT
#250060696
M/C Code: SA
What is the safe threading order?: Turn off the power switch and raise the presser foot before threading. Thread in this order: upper looper, lower looper, right needle, then left needle.
Be sure to turn off power switch.
Thread the machine in the order 1 to 4 as shown.
Upper looper thread
Lower looper thread
Right needle thread
Left needle thread
Presser Foot needs to be up before theading.
You MUST rethread all 4 threads, if one breaks.
Which needles and fabric conditions does the manual specify?: Use Singer category 2022 needles selected for the material: size 11 for lightweight fabric, 11 or 14 for medium weight, and 16 for heavyweight fabric.
SINGER needle, Cat. No. 2022 is furnished with the machine.
recommended that you select your needle in accordance with the material you are sewing.
Light Weight
#11
Medium Weight
#11, #14
Heavy Weight
#16
Which exact Singer presser feet are supported by the OEM matrix?: The Singer SA accessory matrix supports Elastic Foot 250060396, Blind Hem Foot 250060496, Gathering Foot 250060596, Lace Foot 250060696, Beading Foot 250060796, and Piping Foot 250060896.
ELASTIC FOOT
#250060396
M/C Code: SA
BLIND HEM FOOT
#250060496
How is the needle replaced safely?: Disconnect the machine from the outlet first. With the needle raised, loosen its set screw, remove it, then insert a Singer #2022 needle fully with the flat surface toward the back and securely tighten the screw.
disconnect the machine from the electric outlet before replacing needle(s).
Hold the needle with the flat surface to the back.
Insert the needle into the needle clamp as far as it will go
Securely tighten the needle set screw.
This machine uses #2022 needles.
Which exact Singer presser feet are supported by the OEM matrix?: The Singer SA accessory matrix supports Elastic Foot 250060396, Blind Hem Foot 250060496, Gathering Foot 250060596, Lace Foot 250060696, Beading Foot 250060796, and Piping Foot 250060896.
Identity families, physical traits, and OEM accessory groups stay separate. A group badge applies only to its named program and domains.
needle type2022OEM group · accessory, presser footSINGER Accessory M/C Code: SINGER M/C Code SA
Detailed specifications, compatible parts, and source library
Evidence coverage
Core answers and cited items
Machine category: Not yet established
Core domains answered: needle
Domains with cited compatible items: presser foot (6)
Unknown is not incompatible. A missing answer means the current official evidence does not support one yet.
Specifications
Documented machine facts
Multiple cited representations for one field share one row. SewGraph preserves every value and exact proof passage; it does not guess which representation is “raw” or “normalized” when the public projection does not label that distinction.
needle
needle type
2022
Conditions: However, unless the suggested tension setting is; In an emergency, standard Singer needle #2020; It is recommended to change the needles size to work on lighter weight fabrics.; SINGER needles #2022 size 100/16 are intended to be used with heavy weight fabrics.; may be used.; readjusted, skipping of the stitches may occur.
A two-hop result joins the machine’s official accessory-group membership to the OEM part matrix. Open the evidence to inspect both hops.
6 relationships shown
presser foot · 6
PIPING FOOT 250060896
compatibletwo-hop OEM matrix
Why this fits
Two cited hops: this machine is in SINGER Accessory M/C Code · SINGER M/C Code SA, and the OEM matrix lists this part for that group. Edition 2022. Region global_en. Applies to presser foot only.
Two cited hops: this machine is in SINGER Accessory M/C Code · SINGER M/C Code SA, and the OEM matrix lists this part for that group. Edition 2022. Region global_en. Applies to presser foot only.
Two cited hops: this machine is in SINGER Accessory M/C Code · SINGER M/C Code SA, and the OEM matrix lists this part for that group. Edition 2022. Region global_en. Applies to presser foot only.
Two cited hops: this machine is in SINGER Accessory M/C Code · SINGER M/C Code SA, and the OEM matrix lists this part for that group. Edition 2022. Region global_en. Applies to presser foot only.
Two cited hops: this machine is in SINGER Accessory M/C Code · SINGER M/C Code SA, and the OEM matrix lists this part for that group. Edition 2022. Region global_en. Applies to presser foot only.
Two cited hops: this machine is in SINGER Accessory M/C Code · SINGER M/C Code SA, and the OEM matrix lists this part for that group. Edition 2022. Region global_en. Applies to presser foot only.
Group codes are namespaced to the issuing OEM program and apply only to the cited domains. They are not machine series and do not prove compatibility outside those domains.
Open the exact OEM PDF page or captured HTML edition when a safe destination exists; otherwise SewGraph labels the OEM support-page fallback honestly.
Singer HD0400S product page (archived 2024-05-06)
product page
Open official source destination · 1 unique proof passage:Proof E3
SINGER® HD0400S Heavy Duty Serger Manual
instruction manual
Open official source destination · 1 unique proof passage:Proof E4
Singer 2022 Accessory User Guide
accessory compatibility
Open official source destination · 1 unique proof passage:Proof E1
Evidence library
11 exact proof passages from 3 OEM documents
Every passage below says exactly what visible fact it proves. Repeated references to the same locator are counted once; identity evidence never counts as compatibility evidence.
Open exact proof passages · 11 unique proof passages
SINGER needles #2022 size 100/16 (mounted on
the machne) and size 90/14 (in the accessory case)
are furnished with the machine.
store accessories SINGER needles #2022 size 100/16 are intended
to be used with heavy weight fabrics. It is recommended
to change the needles size to work on lighter weight
fabrics. Please go on page 50 to find more information
Singer needle #2022
on the relationship between cloth, thread and needle.
80/11
In an emergency, standard Singer needle #2020
Sizes
may be used. 90/14
available
However, unless the suggested tension setting is 100/16
readjusted, skipping of the stitches may occur.
0 supported answers and 6 answers with conditions or remaining limits. Evidence coverage is not a probability of accuracy.
Unresolved owner questions (2)
Which standardized shank class applies?: Not established — Not yet verified: The reviewed sources do not name a standardized low-, high-, or slant-shank class.
Which third-party feet or adapters fit?: Not established — Not yet verified: The reviewed sources do not establish cross-brand feet, generic adapters, or third-party fit.