Singer 251-2 User Manual

SINGER
CLASS 251

Singer 251-2 Specifications

General

Brand	Singer
Model	251-2
Category	Sewing Machine
Language	English

Summary

Lubrication Instructions

Needles for Class 251 Machines

Setting the Needle Correctly

Step-by-step guide on how to properly install a needle into the machine.

Upper Threading Procedure

Replacing the Bobbin Case Assembly

Preparing for Sewing

Steps to take before starting the sewing process.

Starting to Sew

Instructions on how to begin sewing with the machine.

Removing the Work

Procedure for safely removing the sewn material from the machine.

Understanding and Adjusting Tensions

Regulating Stitch Length

Regulating Material Pressure

Setting Needle Bar Height

Setting the Check Spring

Setting Presser Bar Height

Timing the Sewing Hook

Setting Sewing Hook Sideways

Timing the Feed Mechanism

Setting Feed Dog Height

Removing the Sewing Hook

Replacing the Sewing Hook

Removing and Replacing the Hook Shaft

The Oil Pump Assembly

Removing the Oil Pump

Step-by-step guide to remove the oil pump.

Replacing the Oil Pump

Instructions for reinstalling the oil pump.

Upright Arm Shaft Removal and Replacement

Removing the Upright Arm Shaft

Procedure for disassembling the upright arm shaft.

Replacing the Upright Arm Shaft

Procedure for installing a new upright arm shaft.

Needle Bar and Presser Bar Procedures

Removing and Replacing the Needle Bar

Detailed steps for removing and reinstalling the needle bar.

Removing and Replacing the Presser Bar

Instructions for removing and reinstalling the presser bar.

Removing the Needle Thread Take-up

Replacing the Needle Thread Take-up

Replacing Oil-Removing Wick Assembly

Replacement Procedure for Wick Assembly

Steps for installing the oil-removing wick assembly.

The Arm Shaft

Removing the Arm Shaft

Procedure for disassembling the arm shaft.

Arm Shaft Removal Continuation

Continued Removal of the Arm Shaft

Further steps for the safe removal of the arm shaft.

Arm Shaft Replacement

Replacing the Arm Shaft

Instructions for installing the arm shaft and related components.