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HZL-X Series
JUKI HZL-X Series User Manual
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– 25 –
6-16 Motor belt
○
Remove the front panel.
Adjustmentprocedure
1.
Setthemotortimingbelttothemotorpulleyandthemotorshaftpulley
.
2.
Adjustthemotorbracketsothatthebeltdeectionamountbecomes6±1mmwhenpressingthecenter
ofthebeltwithaforceof0.98N.
Aftercompletionofadjustment,tightenthesetscrewinthemotorbracket.
Motor pulley
Motor shaft pulley
Motor bracket
Setscrew of the motor bracket
Setscrew of the motor bracket
0.98 N
6 ± 1 mm
26
28
Table of Contents
Table of Contents
2
Specifications of HZL-X Series
3
Search by Trouble (Related to Mechanical Components)
5
Principal Parts
6
Disassembling the Machine Covers
7
PCB Connection Diagram
11
Adjustment
15
Adjusting the Needle Bar Height
15
Adjusting the Needle Entry Point
16
Feed Dog Height
16
Timing Belt
17
Feed Timing
17
Timing between the Needle and the Hook
18
Clearance between the Needle and the Blade Point of Hook
19
Position of the Hook Rotation Stopper Plate
20
Adjusting the Bobbin Thread Tension
20
Adjusting the Disk Opening Amount
21
Adjusting the Thread Tension Release Adjusting Plate
21
Pretension Disk Opening Amount
21
Tension Disk Opening Amount
22
Base Tension Opening Amount
22
Adjusting the Needle Thread Tension
23
Vertical Position of the Needle Threading Hook
24
Adjusting the Auxiliary Hook Height
25
Adjusting the Opening Amount of Auxiliary Hook
26
Adjusting the Presser Bar Height
26
Motor Belt
27
Automatic Thread Trimming
28
Lateral Position of the Thread Trimming Mechanism Base
28
Phase of the Catching Unit Driving Cam
29
Replacing the Thread Trimming Blade
30
Longitudinal Feed
31
Knee Lifting Wire
32
Automatic Presser Foot Lifting
33
Auto-Lifter Cam Lever
33
Presser-Lifter Position Sensor
34
Adjusting the Height of the Presser Foot When It Is Lifted
35
Straight Stitch Slide Plate
37
Adjusting the Position of the Straight Stitch Slide Plate
37
Straight Stitch Slide Plate Sensor PCB
38
Service Mode
39
Service Mode Screen
39
Service-Mode Items and Descriptions
39
4
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JUKI HZL-X Series Specifications
General
Brand
JUKI
Model
HZL-X Series
Category
Sewing Machine
Language
English
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