Handleiding Durkopp Adler 382 (pagina 32 van 32) (Engels)

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Contents Page:

Preface and General Safety Information

Part 1: Operating Instructions Cl. 381 - 382

1. Product Description

. . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2. Proper Use

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3. Subclasses

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4. Optional Equipment

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

5. Technical Data

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

6. Operation

6.1 Threading the Needle Thread . . . . . . . . . . . . . . . . . . . . . . . 9

6.2 Setting the Needle Thread Tension . . . . . . . . . . . . . . . . . . . . 11

6.3 Opening the Needle Thread Tension . . . . . . . . . . . . . . . . . . . 11

6.4 Setting the Tension Regulator . . . . . . . . . . . . . . . . . . . . . . . 12

6.5 Winding the Underthread . . . . . . . . . . . . . . . . . . . . . . . . . 13

6.6 Inserting the Underthread Bobbin . . . . . . . . . . . . . . . . . . . . . 14

6.7 Setting the Underthread Tension . . . . . . . . . . . . . . . . . . . . . 15

6.8 Inserting and Changing Needles . . . . . . . . . . . . . . . . . . . . . 16

6.9 Lifting the Sewing Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

6.10 Arresting the Sewing Feet in the High Position . . . . . . . . . . . . . . 17

6.11 Setting the Sewing Foot Pressure . . . . . . . . . . . . . . . . . . . . . 18

6.12 Stitch Length on Sewing Machines without Automatic Bartacking . . . 19

6.12.1 Stitch Length on Sewing Machines with Automatic Bartacking . . . . . 20

6.13 Switching the Needle Bars On and Off . . . . . . . . . . . . . . . . . . 21

6.14 Roller Top Feed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

7. Controls and Control Panel

7.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

7.2 Keys on the Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . 24

7.3 Changing the Parameter Values . . . . . . . . . . . . . . . . . . . . . . 25

7.4 "Operator Level" Parameter List . . . . . . . . . . . . . . . . . . . . . . 26

7.5 Key Bank on the Machine Arm . . . . . . . . . . . . . . . . . . . . . . . 27

8. Sewing

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Home

9. Maintenance

9.1 Cleaning and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 30

9.2 Oil Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

10. Optional Equipment

10.1 Thread Wiper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

1. Product Description

The

DÜRKOPP ADLER 381 - 382

are special sewing machines for first-class

two-needle decorative seams.

•

Two-needle flat bed double-saddle-stitch machine with bottom and needle feed.

The needles can be turned on and off.

•

Class

382

additionally with roller top feed.

•

Slit presser bar (international standard), thus allowing normal commercial sewing

devices to be used.

•

Existing sewing devices of class 380 can be used.

•

Central oil wick lubrication with visible reserve in the arm.

Manual hook lubrication.

•

Integrated winder.

•

Integrated adjustment disk.

2. Proper Use

The

381 - 382

are special sewing machines which can properly be used for sewing light

sewing material. Such material is, as a rule, fabric composed of textile fibers or leather.

These sewing materials are used in the garment and furniture industries.

Furthermore, it may be possible to also execute so-called technical seams with this

special sewing machine. Here, however, the operator (

DÜRKOPP ADLER AG

would be

pleased to help) must make an evaluation of the possible dangers since such

applications are, on the one hand, relatively rare and, on the other, their variety is

immense. Depending on the results of this evaluation it may be necessary to adopt

appropriate safety measures.

In general, only dry material may be worked with this special machine. The material

may not be thicker than 8 mm when it is pressed together by the lowered sewing feet.

The material may contain no hard objects because otherwise the sewing unit could only

be allowed to be operated with eye protection.

Such eye protection is not available at this time.

The seam is generally made with sewing yarns of textile fibers with dimensions up to

30/2 Nm (synthetic threads) or 30/3 Nm (core spun threads). Those wishing to use

other threads must also first evaluate the dangers arising herefrom and, if necassary,

take safety measures.

This special sewing machine may only be installed and operated in dry and clean areas.

If the sewing unit is employed in other areas, which are not dry and clean, other, to be

agreed upon, measures may become necessary (see EN 60204-3-1: 1990).

We, as a manufacturer of industrial sewing machines, assume that, at a minimum,

semi-skilled operating personel work on our products so that all normal operations and,

where applicable, their dangers can be presumed to be known.

3. Subclasses

Cl. 381 - 160161:

Two-needle flat bed double-saddle-stitch machine with switchable

needles, bottom and needle feed, electromagnetic thread trimmer.

Cl. 381 - 160162:

as Cl. 381 - 160161, additionally with electropneumatic automatic

bartacking and electropneumatic sewing foot lift.

Cl. 382 - 160162

: as Cl. 381 - 160162, additionally with roller top feed

4. Optional Equipment

Order no. Optional Equipment

9822 510001

Sewing light (halogen) WALDMANN,

with 12V/20W lamp, to be attached to the sewing machine head.

OAPP 1241

Sewing light mounting kit, for 9822 510001.

0798 500088

Sewing light transformer

For 230V, with mains cable, without switch,

for sewing lights 9822 510001.

9780 000108

Maintenance unit WE 8

For pneumatic optional equipment.

0797 003031

Pneumatic connection package

For the pneumatic connection of frames with maintenance unit

and pneumatic optional equipment.

Consisting of connection hose (length 5 m, diameter 9 mm),

hose nozzles, hose clamps, coupling socket and coupling

plug.

0381 590014

Electromagnetic thread wiper for Cl. 381

0382 590014

Electromagnetic thread wiper for Cl. 382

N900 001941

Swing rail for apparatus

N900 011038

Edge stop-right, on base plate, fixed

N900 012015

Edge stop-right, on base plate, swing-down

N900 020039

Edge stop-right, on the sewing machine head, swing-up

5. Technical Data

Noise level:

Work station relevant emission value

to DIN 45635-48-A-1-KL2

Cl. 381 - 160161

Lc = __ dB (A)

Stitch length: __ mm

Number of stitches: 3 000 [min-1]

Material: ___________________

Cl. 381 - 160162

Lc = ___ dB (A)

Stitch length: __ mm

Number of stitches: 3 000 [min-1]

Material: ________________

Cl. 382 - 160162

Lc = __ dB (A)

Stitch length: __ mm

Number of stitches: 3 000 [min-1]

Material: ________________

The values were not available at press time !

Needle system: 797

Needle thickness (depending on E no.): [Nm] (70 to 110) 90

Seam width / needle clearance: [mm] 4.8 11.9 (25.4)

(depending on E no.)

Max. sewing thread thicknesses:

- Synthetic sewing thread [Nm] 30/2

- Core spun thread [Nm] 30/3

Max. number of stitches: [min

-1

] 3 000 *

Max. stitch length:

- Forward: [mm] (2 400 stitches/min) 6 *

- Reverse: [mm] (2 400 stitches/min) 6 *

Max. sewing foot stroke: [mm] 10 (Cl. 381)

9 (Cl. 382)

Feed dog stroke: [mm]

(above the needle plate) 1.1

Max. opening under the sewing feet:

- Sewing [mm] 8

- Raised [mm] 10

Operating pressure: [bar] 6

Air consumption per work cycle: approx. [NL] 0.02

Design voltage: 1 x 230 V, 50 / 60 Hz

Dimensions (H x W x D): [mm] 1750 x 1060 x 500

(depending on table top) 1750 x 1060 x 600

1750 x 1250 x 900

Work height (ex works): [mm] 790

Weight (only machine head): approx.[kg] 40

* At max. stitch length the number of stitches must be reduced to 2 400 stitches/min.

6. Operation

6.1 Threading the Needle Thread

Caution Risk of Injury !

Turn the main switch off !

Thread the needle thread only with the sewing machine

turned off.

–

Place the yarn spools on the yarn stand as shown in the illustration and guide the

needle and underthreads through the take-off arms.

The take-off arms 1 and 3 must lie vertically above the yarn spools.

The take-off arms 2 and 4 are to be set as per the drawing.

They prevent the two needle threads from hitting each other.

–

Thread the needle thread as per the drawing on

page 10

variocontrol 720

Illus. a: Correct thread interlacing in the

middle of the material

Illus. b: Needle thread tension too low

Underthread tension too high

Illus. c: Needle thread tension too high

Underthread tension too low

6.2 Setting the Needle Thread Tension

Main tension 3

The main tension 3 is to be set as low as possible.

The interlacing of the threads should lie in the middle of the material (see Illus. a ).

Too high thread tensions can lead to unwanted bunching in thin material and thread

breakage.

–

Set the main tension 3 so that a uniform stitch pattern is achieved.

Supplimentary tension 2

The switchable supplimentary tension 2 serves for the quick change of the needle

thread tension, e.g. at seam thickenings.

–

Set the supplimentary tension 2 lower than the main tension 3.

–

Turn the supplimentary tension 2 on or off with lever 1.

0 = Supplimentary tension 2 is turned off.

1 = Supplimentary tension 2 is turned on.

6.3 Opening the Needle Thread Tension

Automatic

The needle thread tension is automatically opened during thread trimming.

Note

The timing of the thread tension opening can be set with the parameters F-191 and

F-192 (technician level).

Manual

The main and supplimentary tensions can be opened by hand through pressure on

6.4 Setting the Tension Regulator

The needle thread quantity required for the hook is adjusted with the tension regulator 2.

The setting is dependent on the following factors: - Material thickness

- Yarn characteristics

- Stitch length

A prescisely set tension regulator assures an optimal sewing result at the lowest

possible needle thread tension.

With a correct setting, the needle thread loop must glide over the thickest point of the

hook with little tension.

In position "

" of the tension regulator the maximum thread quantity is released.

In position "

" of the tension regulator the minimum thread quantity is released.

Caution Risk of Injury !

Set tension regular 2 only with the sewing machine turned

off.

–

Loosen screws 1 and 3.

–

Alter the position of the tension regulator 2.

The scale above the tension regulator serves as a setting aid.

–

Tighten screws 1 and 3.

Setting note:

For a correct setting of the tension regulator 2 the following condition must be met:

–

When the greatest thread quantity is required, the thread controller spring 4 must

be pulled approx. 0.5 mm up out of its upper end position.

This is the case when the needle thread loop passes the maximum diameter of the

hook.

6.5 Winding the Underthread

–

Thread the underthread as shown in the illustrations.

–

Place the bobbin on the winder shaft 2.

–

Wind the underthread counterclockwise approx. 5x around the bobbin core.

–

Tear off the underthread at thread clamp 3.

–

Swing the winder lever 4 against the bobbin.

–

Set the tension 1.

The underthread should be wound up uniformly with little tension.

–

Bend the guide plate 5.

The bobbin should be filled cylindrically and not conically.

–

Set screw 6.

The winder should shut off automatically at the correct time, this means, when the

winding diameter is 0.5 mm smaller than the bobbin diameter.

–

Sewing.

Winder lever 4 ends the procedure as soon as the bobbin is full.

2 3

4 6

6.6 Inserting the Underthread Bobbin

Caution Risk of Injury !

Turn the main switch off.

Change the underthread bobbins only with the sewing

machine turned off.

Removing the empty underthread bobbin

–

Bring the needle bars into the high position.

–

Open the needle plate slides 1 and 2.

Unlock the right needle plate slide 2 by pressing down on the leaf spring 3.

–

Lift the bobbin case flap.

–

Remove the bobbin case with empty underthread bobbin.

Threading the underthread

–

Insert a full bobbin 4 into bobbin case 7:

When the thread is being drawn off, the bobbin must turn in the direction of the arrow.

–

Pull the underthread through slit 5 under tension spring 6.

–

Thread the underthread through hole 8 in the bobbin case top.

This assures the

thread trimming

function.

–

Cut off the underthread up to approx. 3 cm.

–

Insert the bobbin case top with full bobbin into the hook.

–

Close the bobbin case flap.

–

Close the needle plate slides 1 and 2 again.

1 2 3

5 6 7 8

6.7 Setting the Underthread Tension

Caution Risk of Injury !

Turn the main switch off.

Set the underthread tension only with the sewing machine

turned off.

–

Take out the bobbin case with bobbin.

–

To lift the bobbin case reach under the nose 3.

–

Set tension spring 2 by turning the adjustment screw 1.

–

Insert the bobbin case with bobbin into the hook again.

Note:

The spring 4 is to be found under the bobbin in the hook.

When thread trimming the underthread automatically it prevents a "running-on" of the

bobbin.

ATTENTION !

The spring 4 must always be in the bobbin case in the

position shown in the sketch.

The spring 4 should not be lost during cleaning work.

1 2 3 4

6.8 Inserting and Changing Needles

Caution Risk of Injury !

Turn the main switch off.

Change needles only with the sewing machine turned off.

–

Bring the needle bars into the high position.

–

Loosen screws 1 (right or left, 1.5 Allan key in the accessories pack).

–

Remove the needles from the needle holder.

–

Insert new needles up to the stop in the holes of the needle holder.

ATTENTION !

Seen from the operator side, the furrow of the left needle

must face to the left and the furrow of the right needle to the

right.

–

Tighten screws 1 (right or left).

ATTENTION !

The factory-set clearance of the hook to the needle is only

correct for needles with a thickness of Nm 80 to 100. When

inserting a thinner or thicker needle, the clearance must be

corrected (see Service Instructions).

Non-observance of the above correction can lead to the following errors:

When inserting thinner needles: - Missing stitches

- Damage to the thread

When inserting thicker needles: - Damage to the hook point

- Damage to the needle

6.9 Lifting the Sewing Feet

The sewing feet can be raised mechanically or pneumatically.

Depending on the equipment of the special sewing machine, the lifting occurs through

operation of the knee lever 2 or the stepping back on the pedal.

Mechanical sewing foot lift (knee lever 2)

–

To move the material (e.g. for corrections) operate knee lever 2.

The sewing feet remain raised as long as the knee lever 2 is operated.

Pneumatic sewing foot lift (pedal)

–

Step halfway back on the pedal.

The sewing feet rise when the machine stops.

–

Step the pedal completely to the back.

Activate the thread trimmer and lift the sewing feet.

6.10 Arresting the Sewing Feet in the High Position

The mechanically or pneumatically lifted sewing feet can be arrested in the high

position with button 1 (e.g. for winding the underthread).

–

With the sewing machine stopped step half back on the pedal or operate the knee

lever.

The sewing feet rise.

–

Press button 1 and release the pedal or knee lever.

The raised sewing feet are arrested in the high position.

–

Step half back on the pedal or operate the knee lever again.

The arresting of the sewing feet is cancelled.

variocontrol 720

6.11 Setting the Sewing Foot Pressure

The desired sewing foot pressure is set with sleeve 1.

–

Increase sewing foot pressure = Turn sleeve 1 clockwise.

Decrease sewing foot pressure = Turn sleeve 1 counterclockwise.

The setting range can be changed by turning the bolt 2.

–

Screw off sleeve 1.

–

Take out bolt 2, turn and insert again.

Fitting position

= Higher sewing foot pressure.

Fitting position

= Lower sewing foot pressure.

–

Replace sleeve 1 again and set the desired sewing foot pressure.

A B

6.12 Stitch Length on Sewing Machines without Automatic Bartacking

The desired stitch length is set with the knurled nut 1 in the stitch regulator lever.

It is the same for forward and reverse sewing.

Changing the stitch length during sewing.

With the stitch regulator lever 2 the stitch length can be continuously changed during

sewing between the set forward and reverse stitch length.

–

Stitch regulator lever all the way up.

Forward sewing with the set stitch length.

–

Stitch regulator lever all the way down.

Reverse sewing with the set stitch length.

variocontrol 720

6.12.1 Stitch Length on Sewing Machines with Automatic Bartacking

Sewing machines with automatic bartacking

( Subclass 381-160162 and 382-160162 )

On sewing machines with automatic bartacking the stitch lengths are set with the

knurled nut 3 and the block 1.

The knurled nut in the stitch regulator lever (see pos. 1 page 19) is turned completely

back.

Caution Risk of Injury !

Turn the main switch off.

Set the stitch length only with the sewing machine turned off.

–

Tilt the sewing machine head back.

–

Turn the knurled nut in the stitch regulator (see pos. 1 page 19) completely back.

–

Set the stitch length for

reverse sewing

Loosen screw 2.

Decrease stitch length = Push block 1 up.

Increase stitch length = Push block 1 down.

Tighten screw 2 again.

ATTENTION !

With the moving of block 1, the stitch length for forward sewing

changes.

–

Set the stitch length for

forward sewing

Decrease stitch length = Turn knurled nut 3 clockwise.

Increase stitch length = Turn knurled nut 3 counterclockwise.

–

Right the sewing machine head again.

6.13 Turning the Needle Bars On and Off

The needle bars can be turned off with lever 1.

The position of lever 1 determines which needles are working:

–

Lever 1 in the left position.

Left needle bar turned off (right needle bar is working).

–

Lever 1 in the right position.

Right needle bar turned off (left needle bar is working).

–

Lever 1 in the middle position.

Both needle bars are working.

The needle bar is arrested in its high position. The lever 1 must therefore be operated

in standstill (down) or during the upward movement, before the needle bar lies 3 mm in

front of its high position.

If switching occured too late, then the handwheel must be turned back a suitable

distance. During the subsequent forward turn the needle bar is then arrested in the high

position.

Turning the switched-off needle bar on again:

–

Press switch 2.

The lever 1 moves into the middle position by itself.

The switched-off needle bar is turned on again. It follows the working needle bar

when this has reached its high position.

The switch must be operated in needle low position or during the upward movement so

that the switched-off needle bar can follow the working needle bar by the next stitch.

If switching occured too late, then the handwheel must be turned back a suitable

distance. During the subsequent forward turn the needle bar is coupled in.

6.14 Roller Top Feed

The feed distance of the roller top feed is a max. 7 mm.

It can be set differently than the bottom feed with the setting dial 2.

The feed roller 3 is automatically lowered after 10 stitches. The number of stitches prior

to the automatic lowering of the feed roller can be set with parameter F-186 (technician

level).

The feed roller 3 is automatically raised during lifting of the sewing foot and at seam

bartacking.

–

Hand lever 1 up:

The feed roller with drive is completely swung out of the work area. The roller top

feed (puller) has no function.

Hand lever 1 down:

The puller is swung into the work area.

–

Operate switch 4:

The feed roller is raised or lowered.

LED 5 ON = Feed roller raised.

LED 5 OFF = Feed roller lowered.

–

Set the setting dial 2.

The feed distance of the roller top feed can be set independent of the bottom feed.

7. Controls and Control Panel

ATTENTION !

These Operating Instructions list only those functions of

the keys and the changes of the parameters to be

conducted by the operator.

Please find the comprehensive description of the controls

in the enclosed current Operating Instructions of the motor

manufacturer.

7.1 General

The controls are programmed and the functions for the seams are set via the control

panel.

Appropriate to the sewing task, sewing can occur manually or with seam programming.

For different sewing tasks the seam procedures can be programmed and their functions

(beginning bartack, end bartack, stitch counting, thread trimming, etc.) and parameter

values (number of stitches, seam length, speed, etc.) individually assigned.

The entry occurs in the programming mode.

The parameters and their assigned values are shown in the display.

The programmed seams remain in memory even after the sewing machine is turned off.

In order to avoid an unintentional changing of preset functions, operations are divided

among different levels ( operator, technician, equipper ).

The operator (seamstress) can program directly.

The access to the other levels is only possible after the entry of a code number or

different keys must be pressed simultaniously.

RESET

If the controls have been totally misadjusted, then the technician can return all setting

values to the delivery status (works setting) with this function.

The function is described in the Service Instructions for the 381 - 382 !

7.2 Keys on the Control Panel

Key Function Settings

Accessing or exiting the programming mode

Confirming a change in a parameter value

Increasing the shown parameter value

Decreasing the shown parameter value

Stitch counting ON / OFF

Programming / Working through the seam runs

Function key (programmable)

Base position of the needle UP / DOWN

Automat. foot lifting during stop in the seam ON / OFF

Automat. foot lifting after thread trimming ON / OFF

Beginning bartack SINGLE / DOUBLE / OFF

End bartack SINGLE / DOUBLE / OFF

Thread trimmer ON / OFF

Thread wiper ON / OFF

Light barrier function * ON / OFF

* = Key function is not assigned in this machine class.

7.3 Changing Parameter Values

The changing of parameter values at the operator level occurs via the four green keys

", "

") under the display.

In the parameter list on the next page are listed all parameters which can be changed at

the operator level.

1. Accessing the programming mode

Press the

"P"

key.

The LED above the key blinks.

It shows that the controls are in the programming mode.

2. Displaying the first parameter of the operator level

Press the

"E"

key.

The first parameter with the corresponding parameter value appears in the

display.

Example: "

Arv 003

Arv

= Short designation of the parameter

003

= Set parameter value

3. Changing the parameter value shown

Increase or decrease the parameter value with the "

" and "

" keys.

If the "

" or "

" key remains pressed the parameter value continues changing until

the key is released.

4. Storing the changed parameter value

Press the

"E"

key.

The changed parameter value is stored.

The next parameter of the operator level appears in the display.

Through repeated pressing of the "

" key, all parameters of the operator level are

called up sequentially.

5. Exiting the programming mode

Press the

"P"

key.

The parameter value changed last is stored.

The controls exit the programming mode.

7.4 "Operator Level" Parameter List:

Parameter Function Setting

Max. Min. Ex works

000 Arv

Beginning bartack stitches-forward 254 0 2

001 Arr

Beginning bartack stitches-reverse 254 0 4

002 Err

End bartack stitches-reverse 254 0 3

003 Erv

End bartack stitches-forward 254 0 3

004 LS

Light barrier compensation stitches * 254 0 4

005 LSF

Number of stitches of the light barrier filter 254 0 0

for knit goods *

006 LSn

Number of light barrier seams * 15 1 1

007 Stc

Number of stitches of a seam with stitch

counting * 254 0 10

008 F

Assignment to key 3 of a 5 1 2

parameter from the technician level

1 = Soft start ON / OFF

2 = Fancy stitch bartack ON / OFF

3 = Stroke adjustment locking = ON

Stroke adjustment tentative = OFF

4 = Needle cooling ON / OFF

5 = Turning back ON / OFF

009 LSI

Sensitivity setting 255 0 16

of the continuous beam light barrier *

010 cLS

PEC compensation stitches with stitch

shortening * 254 0 8

080 Sav

Number of stitches-beginning fancy bartack

forward 254 0 3

081 SAR

Number of stitches-beginning fancy bartack

reverse 254 0 3

082 Ser

Number of stitches-end fancy bartack reverse 254 0 3

083 Sev

Number of stitches-end fancy bartack forward 254 0 3

085 cFW

Number of stitches of the remaining thread

monitor count * 2540 0 0

* = Key function is not assigned in this machine class.

ATTENTION !

Several parameters at the technician level must be

appropriately set for classes

381

and

382

See Installation Instructions Chapter 6.10.

7.5 Key Bank on the Machine Arm

The assignment of the keys of the key bank on the machine arm is dependent on the

class.

Subclass

381 - 160161

Subclass

382 - 160162

381 - 160162

LED Function

Key

Display:

" Sewing Drive Turned On "

Caution Risk of Injury !

With the sewing drive turned on (LED 1 is lit) the

following work may

not

be conducted:

- Threading the needle and underthreads.

- Changing a bobbin, changing a needle.

- Setting the tension regulator.

- All activities in the motion area of elements.

LED display: The next beginning or end bartack will, depending on the setting

of the control panel, be either called up or suppressed

Positioning the needle in the high position or low position.

The function of key 3 can be determined with parameter

F-144

1 = Needle high, 2 = Needle high / low, 3 = Single stitch

The factory setting is 1 = Needle high.

Manual reverse sewing.

The machine sews in reverse as long as key 4 is pressed.

Calling up or suppressing the beginning or end bartack.

If beginning or end bartacking is generally turned on, then

an operation of the switch will suppress the next bartack.

If beginning or end bartacking is generally turned off, then

an operation of the switch will call up the next bartack.

Key without function.

LED display: Top feed roller raised.

Raising or lowering the top feed roller.

1 2

3456

8. Sewing

The description of sewing assumes the following preconditions:

–

The following functions are set at the control panel:

Beginning bartack: ON End bartack: ON

Sewing foot position before and after trimming: LOW

Needle position before trimming: LOW (position 1)

–

Main switch turned on.

–

The last sewing procedure was completed with end bartack and thread trimming.

Operation and function sequence during sewing:

Sewing procedure Operation / Remarks

Before the sewing start

Initial position

Position the material at the

seam beginning

- Pedal in rest position.

Sewing machine is idle.

Needle up. Sewing feet down.

- Step back on the pedal.

The sewing feet rise.

- Position the material.

- Release the pedal.

The sewing feet lower onto the material.

At the seam beginning

Beginning bartack and

continue sewing

Beginning bartack is

not

to be

sewn

- Step forward on the pedal and hold down.

The beginning bartack is sewn.

Subsequently the machine continues

sewing at the speed determined with the pedal.

- Press key 3 (bartack suppression).

- Step forward on the pedal.

- The machine sews at the speed determined

with the pedal.

1234

Sewing procedure Operation / Remarks

In the seam middle

Interrupting the sewing

procedure

Continuing the sewing

procedure

(after release of the pedal)

Sewing a corner

Sewing an intermediate bartack

- Release the pedal (rest position) .

The machine stops in the first position

(needle down).

The sewing feet are down.

- Step forward on the pedal.

The machine sews at the speed determined

with the pedal.

The beginning bartack is

not

sewn.

- Release the pedal.

The machine stops in the first position

(needle down).

The sewing feet are down.

- Turn the needle bar right or left off.

- Conduct the required stitches with the second

needle bar.

- Step half back on the pedal

- Turn the material around the needle.

Only

one

needle may be in the material.

- The sewing feet lower.

Sew the necessary stitchs.

- Turn the needle bar on again.

- Press key 2 and hold the pedal down.

The machine sews in reverse as long as key 2

is pressed.

The speed is determined by the pedal.

At the seam end

Removing the material

End bartack is

not

to be sewn

- Step the pedal completely back and hold down.

The end bartack is sewn.

The thread is trimmed.

The machine stops in the second position.

The sewing feet are raised.

- Press key 3 (bartack suppression).

Step the pedal completely back.

The end bartack is

not

sewn.

The thread is trimmed.

The machine stops in the second position.

The position of the sewing feet is

dependent on press key 6 on the control panel:

a) ON:

- Sewing feet raised.

b) OFF:

- Sewing feet down.

9. Maintenance

Caution Risk of Injury !

Turn the main switch off!

The maintenance of the sewing machine may only occur

when it is turned off.

The maintenance work must occur at the latest as per the maintenance intervals listed

in the tables (see column "Operating Hours").

When working very linty materials, shorter maintenance intervals may result.

9.1 Cleaning and Inspection

A clean sewing machine protects against malfunctions!

Maintenance work Remarks Operating

to be conducted hours

Machine head

- Remove sewing dust,

thread and cutting residue.

- Clean the oil baffle

(under the machine head).

Areas to be particularly cleaned:

- Underside of the needle plate

- Feed dog ridges

- Area around the hook

- Bobbin case

- Thread trimmer

- Area around the needles

- Remove sewing dust and cutting residue

Sewing drive

- Check condition and

tension of the V-belt.

The V-belt 1 must be able to be pressed

in approx. 10 mm with a finger at the

center.

160

Pneumatic system

- Check the water level in

the pressure regulator.

- Clean the filter insert.

The water level should not rise up to the

filter insert 1.

- Blow water out of the water separator 2

under pressure after screwing in the

drain screw 3.

Note:

The water separator 2 is equipped with

a semiautomatic condensation drain.

After exceeding a specific pressure, the

condensation is drained automatically.

Dirt and condensation are removed

through filter insert 1.

- Separate the sewing unit from the

compressed air supply.

- Screw in drain screw 3.

The pneumatic system of the sewing

unit must be pressure-free.

- Screw off the water separator 2.

- Remove the filter insert 1.

Wash out the dirty filter bowl and filter

insert with naphtha (

no solvents!

)

and blow clean.

- Reassemble andconnect the

maintenance unit.

500

variocontrol 720

9.2 Oil Lubrication

Caution Risk of Injury !

Oil can cause skin rashes.

Avoid longer skin contact.

After contact wash yourself thoroughly.

ATTENTION !

The handling and disposal of mineral oils is subject to legal

constraints.

Deliver used oil to an authorized reception point.

Protect your environment.

Take care not to spill any oil.

For lubrication of the special sewing machine use only

ESSO SP-NK 10

lubricating oil

or an equivalent oil with following specification:

–

Viscosity at 40° C : 10 mm/s

–

Flash point: 150 °C

ESSO SP-NK 10

is available from

DÜRKOPP-ADLER AG

sales offices under the

following parts no.s:

2 liter container: 9047 000013

5 liter container: 9047 000014

Lubrication of the machine head

–

Check the reservoir 1

weekly

The oil level should not drop below the

"MIN"

marker line.

If necessary, fill oil through the hole in the viewing glass up to the

"MAX"

marker

line.

Lubrication of the hook

–

The hook run must be lubricated

often daily

Supply lubricating points 2 + 3 often during the day with a few drops of oil.

–

The felt 4 under the hook drives is to be checked

weekly

If necessary, supply the felt 4 with oil at the open right and left corners.

10. Optional Equipment

10.1 Thread Wiper

If, at the beginning of a seam, the needle thread end is to be drawn through on the

underside of the material, then it should not get clamped in between the sewing foot

and the material. The thread wiper assures that the needle thread end hangs out of the

needle eye loosely.

The movement of the thread wiper occurs after the trimming of the thread before the

feet are lifted.

Note

The thread wiper can be turned on and off at the control panel.

Durkopp Adler 382 Handleiding

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