Singer 66 Series User Manual

SERVICE MANUAL
FOR
SINGER SEWING MACHINES
Classes 66, 99, and 185

Singer 66 Series Specifications

General

Class	Domestic
Stitch Type	Straight Stitch
Needle Type	15x1
Bobbin Type	Class 66
Material	Cast Iron
Stitch Length	Adjustable
Tension Control	Manual
Presser Feet	Interchangeable
Weight	Approximately 30 lbs
Year Introduced	1902
Manufacture Years	1902-1950
Power Source	Treadle or Electric
Drive	Belt or Treadle
Dimensions	Varies with base

Summary

Disassembling Numbered Thread Tension Assembly

Reassembling Numbered Needle Thread Tension Assembly

To Adjust the Thread Take-Up Spring

Remove and Replace the Oscillating Hook Slide

To Remove the Bobbin Case

To Replace the Bobbin Case

To Adjust the Bobbin Case Position Bracket

To Set the Needle Bar at the Correct Height

To Time the Sewing Hook

To Remove the Sewing Hook

To Raise and Lower the Feed Dog

To Adjust the Presser Bar

Adjusting End Play in the Horizontal Shaft