JUKI L-1D Series - User Manual

L-1D Series
INSTRUCTION MANUAL
(Mechanical)

Summary

Important Safety Instructions

For Safe Operation

Specifications

Installation

Adjusting Knee Lifter Height

Installing Thread Stand

Lubrication

Adjusting Oil Splashes in Hook

Inserting the Needle

Setting Bobbin into Bobbin Case

Presser Foot Pressure

Hand Lifter

Adjusting Presser Bar Height

Threading the Machine Head

Thread Tension

Adjusting Needle Thread Tension

Adjusts the needle thread tension by turning tension nuts clockwise or counterclockwise.

Adjusting Bobbin Thread Tension

Modifies bobbin thread tension by adjusting the tension screw clockwise or counterclockwise.

Thread Take-Up Spring

Changing Stroke of Thread Take-Up Spring

Modifies the thread take-up spring stroke by adjusting setscrew and tension post.

Changing Pressure of Thread Take-Up Spring

Adjusts thread take-up spring pressure by loosening setscrews and adjusting tension post.

Adjusting Thread Take-Up Stroke

Needle-to-Hook Relationship

Feed Dog Height Adjustment

Feed Dog Tilt Adjustment

Adjusting Feed Timing

Pedal Pressure and Stroke

Adjusting Front Pedal Pressure

Modifies pedal pressure for the front part by adjusting spring position.

Adjusting Back Pedal Pressure

Adjusts pedal pressure for the back part using a regulator screw.

Adjusting Pedal Stroke

Modifies the pedal stroke by changing the connecting rod hole.

Pedal Adjustment

Installing the Connecting Rod

Installs the connecting rod by moving the pedal and straightening lever/rod.

Adjusting the Pedal Angle

Adjusts pedal angle by changing the length of the connecting rod.

Pedal Operation

JUKI L-1D Series Specifications