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Husqvarna VIKING HUSKYLOCK 936 User Manual

Husqvarna VIKING HUSKYLOCK 936
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SERVICE MANUAL
HUSKYLOCK
MODEL 936
104 72 49-26 (Rev D)
(replaces 104 72 44-26)
Made in Sweden
May 2005
©Copyright VSM Group AB. All Rights Reserved
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Husqvarna VIKING HUSKYLOCK 936 Specifications

General IconGeneral
BrandHusqvarna
ModelVIKING HUSKYLOCK 936
CategorySewing Machine
LanguageEnglish

Summary

Directions for Use and Machine Specifications

Directions for Use

Instructions for service personnel and salesmen.

Machine Specifications

Technical specifications of the sewing machine.

Machine Parts Identification and General Dismounting

Machine Parts Identification

Diagram and list of machine components.

General Dismounting Procedure

Steps for disassembling the sewing machine.

Sewing Machine Settings and Adjustments

Basic Setting for Cams

Calibration marks for setting the machine's cams.

Needle Height Adjustment

Setting the distance between the needle and stitch plate.

Lower Looper Height Adjustment

Adjusting the vertical position of the lower looper.

Lower Looper and Needle Clearance

Setting clearance between lower looper and needles.

Lower Looper End Position

Setting lower looper position relative to the needle.

Needles Support and Needle Clearance

Clearance between needle support and needle.

Upper Looper Clutch Exchange Body Position

Setting the upper looper clutch mechanism.

Upper Looper Position Setting

Setting the upper looper position relative to the needle.

Upper and Lower Looper Timing

Aligning the upper and lower loopers for correct timing.

Upper and Lower Looper Clearance

Setting clearance between upper and lower loopers.

Chain Stitch Looper Height

Adjusting the height of the chain stitch looper.

Double Chain Looper and Needle Clearance

Setting clearance between double chain looper and needle.

Double Chain Looper Timing to Needle

Timing the double chain looper to the needle.

Needles Support and Needle Clearance

Clearance between needle support and needles.

Feed Dog and Stitch Plate Sideways Clearance

Setting sideways clearance for feed dogs and stitch plate.

Feed Dog Front to Back Position

Adjusting the front-to-back position of the feed dog.

Feed Dog Height Adjustment

Setting the height of the rear feed dog.

Differential Feed Dog Height

Setting the height of the front feed dog.

Lower Knives Position

Setting the position of the lower knife.

Upper Knives Position

Setting the position of the upper knives.

Belt Tension Adjustment

Adjusting the motor belt tension.

Speed Sensor Adjustment

Adjusting the speed sensor for proper motor operation.

Thread Take-Up and Thread Guide Setting

Setting thread take-up distances to guides.

Chain Stitch Looper Take Up Lever Adjustment

Adjusting the chain stitch looper take up lever height.

Stitch Length Setting

Setting and checking the stitch length.

Differential Feeding Adjustment

Adjusting and checking differential feeding.

Thread Tension Adjustment

Setting and checking thread tension.

Presser Foot Height Adjustment

Setting the height of the presser foot.

Sewing Machine Wiring Diagram

Electrical Component Layout

Diagram labeling key electrical components of the machine.

Circuit Connections Overview

Diagram illustrating power, motor, and control circuit connections.

Troubleshooting Guide

Mechanical Troubleshooting Guide

Diagnosing and resolving mechanical sewing problems.

Skipped Stitches (Looper Issues)

Troubleshooting skipped stitches related to looper interaction.

Thread Break Troubleshooting

Diagnosing and resolving needle and looper thread breaks.

Fabric Feeding and Shrinkage Issues

Addressing fabric feeding problems and material shrinkage.

Knife Cutting and Tension Troubleshooting

Troubleshooting knife cutting problems and thread tension.

Electronic Troubleshooting Guide

Diagnosing and resolving electronic and motor related problems.

LCD, Safety Switch, and Buzzer Issues

Troubleshooting LCD, safety switch, and buzzer malfunctions.

Feed, Lighting, and General Operation Issues

Resolving issues with feeding, lighting, and general machine operation.

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