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ZOJE ZJ8700 - User Manual

ZOJE ZJ8700
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Z:J
8
tCO
INSTRUCTION MANUAL
To
get the most out
of
the many functions of this machine and operate
it
in safety,
it
is necess
ary
to use this machine correctly.
Please read this Instruction Manual carefully before
use
. Whe hope you wi!l enjoy t
he
use
of
your machi
ne
for
a long time.
Please remember to keep this manual
In
a safe place.
1 Observe the basic safety measures, including, but
not
limited to the following ones, whenever
you
use the machine.
2. Read
all the mstructions, •ncluding, but not limited to this Instruction Manual before you
use the
machine , In addition, keep this Instruction Manual
so
that you
may
re::~d
it
at
anytime when necessary
3.
Use the machine after
it
has been
as
certained that it confonns with safety rules/standar
ds
valid
in
your country.
4. All safety devices must
be
In
position when the machine Is
ready
for work
or
in operation.
The operation without the specified safety deVices is
not
allowed.
5. This machine
shall
be
operated
by
appropriately-trained operators.
6.
For your personal protection, we recommend that you
wear
safety glasses.
7.
For the follow
in
g, tum
off
the power switch
of
disconnect the power plug
of
the machine from
the receptacle.
7·1 For threading needle(s) and replacing bobbin.
7-2 For replacing part(s)
of
needle. presser foot, throat plate, feed
dog
, cloth gUide
etc
.
7-3
For repair work.
7-4 When
leaving the workJng place
of
when the work
1ng
place is unattended.
8.
If
you should allow
oil
, grease, etc. used with the machine and devices to come m contact
w
1th
your
eyes
or
skin
or
swallow any
of
such liquid
by
mistake, immediately wash the
contacted areas and consult a medical doctor.
9. Tampering with the live parts
and
devices. regardless
of
wllether the machi
ne
Is powered,
is prohibited
10. Repainng, remodeling and adjustment works must only
be
done
by
appropriate
ly
trai
ned
technicians
or
specially skilled personnel.
11
. Gener
al
maintenance and mspection works have to
be
done
by
appropriately trained personr.el.
12
. Repair and maintenance works
of
electrical components shall be conducted
by
qua
li
fied
electric technicians
or
under the audit and guidance
of
specially skilled personnel.
Whenever you find a failure
of
any
of
electrical components, Immediately stop the machine.
13
. Periodically clean the machine throughout the
period
of
use.
-
11
-
From the library of: Superior Sewing Machine & Supply LLC

Table of Contents

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Summary

FOR SAFE OPERATION

Electrical Safety Precautions

Avoid electrical shock by not opening the electrical box or touching internal components.

Personal Injury Prevention

Prevent injury by keeping body parts away from moving parts and ensuring safety devices are in place.

Machine Setup and Initial Checks

Pre-Operation Attention

Perform initial cleaning, lubrication, and voltage checks before first use.

Fixing the Machine

Steps for correctly fixing the machine components, including the oil tray and base.

Lubrication Procedures

General Lubrication Information

Guidelines for filling the oil pan, checking oil levels, and initial machine break-in.

Adjusting Face Plate Oil Supply

Adjust the oil supply to the face plate parts using the designated adjustment pin.

Adjusting Hook Oil Splashes

Fine-tune oil splashes in the hook for optimal lubrication, monitoring with confirmation paper.

Needle and Threading Operations

Attaching the Needle

Detailed procedure for correctly inserting and securing the needle into the needle bar.

Setting the Bobbin Case

Instructions for properly installing the bobbin into the bobbin case with correct thread path.

Threading the Machine Head

Step-by-step guide to thread the machine from the thread holder through the head.

Stitch Length and Tension Adjustments

Adjusting Stitch Length

Method for adjusting the stitch length using the dial and feed lever.

Thread Tension Adjustment

Adjusting needle and bobbin thread tension for balanced stitch formation.

Thread Take-Up Spring and Lifter Adjustments

Thread Take-Up Spring Adjustment

Modifying the take-up spring's stroke and pressure for optimal thread feeding.

Hand Lifter Operation

Using the hand lifter lever to raise and lower the presser foot.

Presser Foot and Feed Mechanism Adjustments

Presser Foot Pressure Adjustment

Adjusting the pressure exerted by the presser foot on the fabric.

Adjusting Feed Timing

Adjusting the feed eccentric cam for proper feed dog timing to ensure even material feed.

Height of the Feed Dog

Setting the correct height of the feed dog relative to the needle plate.

Adjusting Presser Foot Height

Setting the overall height of the presser foot assembly.

Needle-Hook Relationship and Thread Stroke Adjustments

Needle-to-Hook Relationship

Ensuring correct alignment and clearance between the needle and hook for stitch formation.

Adjusting Thread Take-Up Stroke

Modifying the thread take-up stroke based on material type.

Installation and Knee Lifter Adjustments

Installing Belt Cover and Bobbin Winder

Procedures for installing belt covers and bobbin winder parts.

Adjusting Knee Lifter Height

Adjusting the presser foot lift height using the knee lifter mechanism.

Machine Specifications

Technical Specifications Overview

Details on sewing speed, stitch length, needle types, and motor power for various applications.

Parts Identification and Listing

Machine Frame and Cover Components

Illustrated parts list for the machine frame and miscellaneous cover components.

Main Shaft and Take-Up Lever Components

Illustrated parts list for the main shaft and thread take-up lever assembly.

Needle Bar, Shaft, and Hook Components

Illustrated parts list for the needle bar, upright shaft, and hook driving shaft.

Presser Foot Components

Illustrated parts list for the presser foot assembly and related adjustment parts.

Feed Mechanism Components

Illustrated parts list for the fabric feeding mechanism.

Oil Lubrication Components

Illustrated parts list for the machine's oil lubrication system.

Oil Reservoir Components

Illustrated parts list for the oil reservoir and its associated parts.

Belt Cover, Bobbin Winder, and Stand Components

Illustrated parts list for belt covers, bobbin winders, and thread stands.

Special Parts for Roller Presser Foot Model

Illustrated parts list for special components of the "R" model with a roller presser foot.

Accessories List

Illustrated list of included accessories for the sewing machine.

ZOJE ZJ8700 Specifications

General IconGeneral
BrandZOJE
ModelZJ8700
CategorySewing Machine
LanguageEnglish

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