How to Tighten or Replace a Serger Drive Belt
Over the years, the overlocker drive belt requires inspection, at least. When you remove the protective cover, you can identify is needed to tighten the drive belt or not. Sometimes it is required and replacing the drive belt.
These photos and comments help you to tighten or replace a broken drive belt of overlocker.
For security reasons you must first disconnect the serger from mains. Now you can disconnect the pedal plug, as shown.
Using a screwdriver remove the screws holding the cover.
Note: Other overlock models may have a different access to the belt. This manual was made on an example of Juki Baby Lock serger (BL3 - 407) without overlocker differential feed and having three threads.
First, you need to check the belt tension. Press your index finger in the middle of the belt, as shown.
The serger drive belt should fall down for about 1 cm, with an average effort pressing on the belt.
There are two ways how to tighten or replace a serger drive belt. The first way is if you will loosen this powerful screw.
Note: To weaken it is requires a powerful flat-blade screwdriver or a wrench.
The second way is if you will unscrew these nuts and move the electric motor.
In any case, you will need a wrench or a powerful flathead screwdriver.
Do not use excessive force when tightening these nuts.
Overlocker drive belt may have a circular cross section or with lugs on both sides, as shown. Use the second type - lug belt. This type of belt less slips.
If you need to replace the belt you have to measure the diameter a torn belt. Diameter a new serger drive belt should have the same value.
On this photo is shown another model serger. To tighten or replace overlocker drive belt is necessary to remove the side cover overlock body.
See also serger knives maintenance.
English isn't my first language, so please excuse any mistakes and help correct them.
E-mail for sending is on the contact page.
Related Tutorials and Tips :
Tips for Using your Serger
If you have an overlock sewing machine you need learn these tips how to use a serger. Tips from a professional tailor.
How to Use an Overlock Sewing Machine
What a kind of stitch does an overlock Janome 4057 do? This is manual how to use a serger and tips for choosing overlock sewing machine.
How to Thread a Sewing Machine
This is the universal tutorial for threading any sewing machines and winding a bobbin.
How to Use the Coverstitch Machine
The coverstitch machine is most used for sewing the clothing made of knit jersey fabrics. Here you find a tutorial how to use the coverstitch machine.
How to Make Jersey Womens T-Shirt
Learn how to sew t-shirts from knit fabrics. Here you find tutorial how to make jersey women's t-shirt with 20 photos and pro comments.
How to Make a Circle Skirt
Here's easy steps how to make a full circle skirt for your daughter 4-5 years.
How to Make Children's Pants with Elastic Waist
Looking for knit pants for your toddler? Try sewing these knit pants with step by step tutorial that has more 20 photos and comments.
Tips for Choosing a Sewing Machine
Here are tips on how to choose your first sewing machine. A few key features of sewing machines you need to know necessarily.