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Singer 2852 User Manual

Singer 2852
114 pages
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358487-001 Mar./2005
Service Manual
Household Sewing
Machine
THE SINGER COMPANY
2005 SINGER BRASIL
SEWING MACHINE CO., LTD.
ALL RIGHTS RESERVED
Registered Trademark “THE SINGER COMPANY LTD.”
Printed In Brazil
2802/2852 2808/2858
2809/2859
2818/2868
2802/2852 2808/2858
2809/2859 2818/2868

Table of Contents

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Singer 2852 Specifications

General IconGeneral
BrandSinger
Model2852
CategorySewing Machine
LanguageEnglish

Summary

Section 1 Parts Removal and Replacement

Face Plate Cover

Instructions for removing and replacing the sewing machine's face plate cover.

Light Bulb Replacement

Guide for safely replacing the sewing machine's light bulb.

Arm Top Cover

Procedure for removing and replacing the sewing machine's arm top cover.

Bed Bottom Covers

Steps for removing and replacing the bed bottom covers (free arm and flat bed).

Needle Bar

Detailed steps for removing and replacing the sewing machine's needle bar.

Head End Assembly

Guide to removing and replacing the sewing machine's head end assembly.

Take-up Lever Assembly and Needle Bar Connecting Link

Procedure for removing and replacing the take-up lever and needle bar connecting link.

Handwheel and Shaft Driver Assembly

Steps for removing and replacing the handwheel and shaft driver assembly.

Cam Stack

Procedure for removing and replacing the sewing machine's cam stack assembly.

Disc Follower Quick Out Lever

Instructions for removing and replacing the disc follower quick out lever.

Disc Follower

Procedure for removing and replacing the disc follower component.

Arm Shaft and Horizontal Bevel Gear

Steps for removing and replacing the arm shaft and horizontal bevel gear.

Pattern Selector Assembly

Guide for removing and replacing the pattern selector assembly.

Thread Tension Assembly

Instructions for removing and replacing the sewing machine's thread tension assembly.

Motor and Motor Belt

Steps for removing and replacing the motor and motor belt.

Hook

Procedure for removing and replacing the sewing machine's hook assembly.

Feed Lifting Lever Assembly

Guide to removing and replacing the feed lifting lever assembly.

Feed Rock Shaft Assembly

Procedure for removing and replacing the feed rock shaft assembly.

Feed Forked Connection

Instructions for removing and replacing the feed forked connection.

Vertical Shaft Bevel Gear

Steps for removing and replacing the vertical shaft bevel gear.

Vertical Shaft

Procedure for removing and replacing the sewing machine's vertical shaft.

Stitch Length Control Assembly

Instructions for removing and replacing the stitch length control assembly.

Pattern Selector Mechanism

Guide for removing and replacing the pattern selector mechanism.

Needle Position Selector Lever

Procedure for removing and replacing the needle position selector lever.

Section 2 Sequential Order of Adjustment Procedures

Vertical Shaft End Play

Procedure for checking and adjusting vertical shaft end play for smooth operation.

Bevel Gear Mesh and Arm Shaft End Play

Steps to ensure proper bevel gear mesh and arm shaft end play without binds.

Disc and Disc Follower Clearance

Instructions for adjusting disc and disc follower clearance for pattern selection.

Cam Stack Radial Play

Procedure for checking and adjusting cam stack radial play for stitch quality.

Take-up Lever and Needle Bar Connecting Link Lost Motion

Guide to adjusting lost motion in the take-up lever and needle bar connecting link.

Needle Bar Bearings

Steps for adjusting needle bar bearings to prevent stitching irregularities.

Needle Bar Height

Procedure for setting the correct needle bar height for proper stitch formation.

Needle Bar Pendulum Timing

Instructions for adjusting needle bar pendulum timing for zigzag stitching.

Zigzag Centralizing Procedure

Guide for centralizing the needle during zigzag stitching for proper alignment.

Needle Location in the Needle Plate Slot

Steps to ensure correct needle positioning within the needle plate slot.

Needle to Hook Relationship

Procedure to adjust the needle to hook relationship to prevent stitch skipping.

Maximum Width Zigzag Lever Bight Stop

Instructions for adjusting the zigzag lever bight stop for maximum stitch width.

Needle Bar Safety Bight Stop (Left Side)

Procedure for setting the needle bar safety bight stop to prevent damage.

Presser Bar Height and Alignment

Steps to ensure correct presser bar height and alignment for proper feeding.

Hook Drive Belt Tension

Procedure for adjusting the hook drive belt tension.

Hook Timing (Hook and Needle Synchronism)

Guide to synchronizing the hook and needle for correct stitch formation.

Bobbin Case Position Finger

Instructions for adjusting the bobbin case position finger for correct thread pickup.

Bobbin Case Position Plate

Steps for adjusting the bobbin case position plate for proper bobbin case fit.

Bobbin Case Clearance

Procedure for checking and adjusting bobbin case clearance.

Needle Thread Tension

Instructions for adjusting needle thread tension for optimal stitch quality.

Bobbin Winder

Guide for checking and adjusting the bobbin winder operation and thread winding.

Feed Rock Shaft End Play

Procedure for checking and adjusting feed rock shaft end play.

Feed Dog Centralization

Steps for centralizing the feed dog for proper stitch formation.

Feed Dog Height

Procedure for adjusting the feed dog height.

Feed Dog Throw

Instructions for adjusting the feed dog throw.

Stitch Length Regulator Spring Tension

Procedure for adjusting stitch length regulator spring tension.

Motor Belt Tension

Procedure for adjusting motor belt tension for optimal machine speed.

Zero Feed

Steps to adjust the machine for zero feed, ensuring no fabric movement.

Zero Feed

Steps to adjust the machine for zero feed, ensuring no fabric movement.

Lubrication

Applying Lubrication

Guidelines on where and how to apply Singer oil and grease for machine lubrication.

Flexi Stitch Zeroing

Flexi Stitch Adjustment

Procedure for adjusting flexi stitch feed balance for correct forward/reverse feed.

Buttonhole Cutting Space

Buttonhole Cutting Space Adjustment

Steps to adjust buttonhole cutting space for proper thread clearance.

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