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JUKI HZL-X Series - User Manual

JUKI HZL-X Series
44 pages
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SERVICE MANUAL
HZL-X Series
COMPUTER SEWING MACHINE
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JUKI HZL-X Series Specifications

General IconGeneral
BrandJUKI
ModelHZL-X Series
CategorySewing Machine
LanguageEnglish

Summary

Specifications of HZL-X Series

Key Specifications

Covers power, dimensions, weight, revolution control, stop position, zigzag width, and feed amount.

Sewing Features and Functions

Details pattern selection, threading, lock stitch, buttonholing, memory, and helpful messages.

Disassembling the machine covers

Top, Face, and Throat Plate Covers

Steps for removing top, face, and throat plate covers.

Spool and Bottom Covers

Procedures for removing spool and bottom covers of the free arm.

Bed, Upper Arm, and Face Plate Covers

Procedures for removing bed, upper arm, and face plate covers.

Front and Rear Panels

Procedures for removing the front and rear panels of the sewing machine.

Adjustment

6-1 Adjusting the needle bar height

Sets the correct vertical position of the needle bar for sewing.

6-2 Adjusting the needle entry point

Ensures the needle enters the throat plate slot correctly in the center position.

6-3 Feed dog height

Adjusts the height of the feed dog relative to the throat plate.

6-4 Timing belt

Adjusts the timing belt for proper synchronization of machine parts.

6-5 Feed timing

Synchronizes the needle and feed dog movement for correct stitch formation.

6-6 Timing between the needle and the hook

Ensures correct alignment of the needle and hook for stitch formation.

6-7 Clearance between the needle and the blade point of hook

Sets the optimal clearance between the needle and hook blade.

6-8 Position of the hook rotation stopper plate

Adjusts the hook rotation stopper plate for proper bobbin case engagement.

6-9 Adjusting the bobbin thread tension

Sets the correct tension for the bobbin thread using a tension gauge.

6-10 Adjusting the disk opening amount

Adjusts thread tension release plate and pretension disk opening amounts (6-10-1, 6-10-2).

6-11 Adjusting the needle thread tension

Sets the correct tension for the needle thread using the adjustment dial.

6-12 Vertical position of the needle threading hook

Positions the needle threading hook correctly relative to the needle eye.

6-13 Adjusting the auxiliary hook height

Sets the proper height for the auxiliary hook for thread guiding.

6-14 Adjusting the opening amount of auxiliary hook

Adjusts the opening amount of the auxiliary hook for thread handling.

6-15 Adjusting the presser bar height

Sets the correct height of the presser bar for proper feeding.

6-16 Motor belt

Adjusts the motor belt tension and deflection for optimal power transmission.

6-17 Automatic thread trimming

Covers adjustments for the automatic thread trimming mechanism.

6-18 Longitudinal feed

Adjusts the stitch length for lengthwise feed control.

6-19 Knee lifting wire

Adjusts the knee lifting wire for proper presser foot lifting height.

6-20 Automatic presser foot lifting

Covers adjustments for the auto-lifter cam lever, position sensor, and presser foot height.

6-21 Straight stitch slide plate

Covers adjustments for the straight stitch slide plate position and its sensor PCB.

6-22 Service mode

Accesses and describes various service mode functions and settings.

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