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Riccar RL-343D User Manual

Riccar RL-343D
24 pages
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Riccar RL-343D Specifications

General IconGeneral
BrandRiccar
ModelRL-343D
CategorySewing Machine
LanguageEnglish

Summary

Parts name

Preparation and running the machine

Fitting the motor controller

Connecting the motor controller to the sewing machine and power source.

Running the machine

Instructions on how to start, operate, and stop the sewing machine using the foot pedal.

Notes on the motor

Drive belt tension

Lubrication

Opening and closing the looper cover

Operating the machine

Precautions when threading

Important precautions to ensure correct threading for a well-formed seam.

Threading procedure

Step-by-step guide for threading the sewing machine, including looper and needle threads.

Test sewing

Thread tension and adjustment

Incorrect thread tension and how to adjust

Guidance on adjusting thread tensions for optimal stitch formation and troubleshooting common issues.

Main points when sewing

Removing the sewn article

Procedure for cutting the thread chain after completing a seam and removing the sewn article.

At the end of the seam

How to secure the thread chain at the end of a seam, especially for knit fabrics.

Prevention of seam unravelling

Method to prevent seams from unravelling by sewing back along the seam.

Presser foot pressure

How to adjust for 3-thread sewing

Main feed mechanism

How to adjust the stitch length

Guide on adjusting the stitch length using the feed regulator lever and pulley wheel.

Differential feed and mechanism

How to adjust the differential feed ratio

Instructions for adjusting the differential feed ratio to prevent fabric puckering on different fabric types.

Fold over hemming

1. Setup for Fold Over Hemming

Procedure for preparing the machine for fold over hemming, including needle removal.

2. Hemming Adjustments

Changing presser foot, stitch length, and differential feed for hemming.

3. Thread Tension for Hemming

Guidance on setting thread tensions for fold over and narrow hemming operations.

(a) Fold over hemming: Thread Tension

2. Incorrect thread tension and how to adjust.

Troubleshooting thread tension issues for fold over hemming with adjustment examples.

(b) Narrow hemming: Thread Tension

2. Incorrect thread tension and how to adjust.

Troubleshooting thread tension issues for narrow hemming with adjustment examples.

Needle light switch

Changing the sewing lamp

Replacing needle

1. To remove the needle

Steps to remove the needle, including turning the pulley and loosening the clamp screw.

2. To set the needle

Procedure for inserting a new needle correctly, ensuring proper orientation and tightness.

Replacing the knives

Replacing the upper knife

Instructions for removing and setting the upper knife, including alignment details.

Replacing the lower knife

Instructions for removing and setting the lower knife, ensuring proper alignment with the needle plate.

Specifications

Packing details

Accessories

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