Singer 250 Series User Manual

Service Manual
• Registered Trademark
FORM 723 (1172)
SINGER*
SINGER FACTORY - MONZA
Series Machine Class
The Singer Company
C) 1972 Si nger Monza
All rights reserved

Singer 250 Series Specifications

General

Brand	Singer
Model	250 Series
Category	Sewing Machine
Language	English

Summary

Specification of the 252 - 257 and 259 Class Machines

General Features

Comparison of the Particular Features

Lubrication

Presser Foot Pressure Regulator

Adjustment of Presser Foot Pressure

Procedure to adjust the presser foot pressure.

Presser Bar Assembly

Adjustments - Presser Foot Height

Procedure to adjust the presser foot height.

Needle Bar

Adjustments of Needle Bar Height

Procedure to adjust the needle bar height.

Needle Bar Vibrating Bracket

Adjustment of front to back setting of needle bar

Procedure to adjust the front-to-back needle bar position.

Adjustment of stops for sideways movement of needle bar

Procedure to adjust the sideways needle bar movement.

Needle Thread Take-Up and Needle Bar Connecting Link

Needle Thread Tension

Removal of needle thread tension assembly

Steps to remove the needle thread tension assembly.

Adjust check spring stop D

Procedure to adjust the check spring stop.

Adjust check spring tension

Cam Stack and Shaft (252-257)

Gear mesh adjust

Pendulum timing adjust

Hand Wheel and Stop Motion

Bobbin Winder

Adjustment of winding limit stop

Adjustment of even wind

Horizontal Arm Shaft

Vertical Arm Shaft

Stitch Length Regulator and Feed Fork

Adjustment of « feed »

Feed Actuating Rod

Rotating Hook

Removal

Adjustment of hook timing

Procedure to adjust the timing of the rotating hook.

Adjustment of hook point to needle distance

Procedure to adjust the distance between hook point and needle.

Feed Mechanism - Feed Lift Shaft - Actuating Shaft

Feed Lifting Shaft Removal

Feed Actuating Mechanism Removal

Adjustment of feed dog alignment

Procedure to align the feed dog.

Sideways setting of feed dog

Procedure to set the sideways position of the feed dog.

Adjustment of feed dog height

Procedure to adjust the height of the feed dog.