Duerkopp Adler 743-121 Bedienungsanleitung

Contents Page:

Part 2: Installation Instructions for the 743-121

1. Delivery Scope for the Sewing Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2. Installing the Sewing Unit

2.1 Transporting the Sewing Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2.2 Setting the Work Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.3 Fastening the Thread Stand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.4 Checking the V-belt Tension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3. Electrical Connection

3.1 Connecting the Microcontrol unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2 Checking the Nominal Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.3 Setting the Motor Protection Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.4 Checking the Direction of Motor Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.5 Checking Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4. Pneumatic Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1. Delivery Scope for the Sewing Unit

–Basic equipment, depending on execution with bundle clamp and

remover device.

–Microcontrol.

–Thread stand.

–Small parts with the accessories.

2. Installing the Sewing Unit

CAUTION !

The sewing unit may only be installed by trained personnel.

Before installation the following transport securing devices are to be

removed:

–The securing band from the sewing drive.

–The angles which hold the frame feet to the wooden pallet.

–The screw clamps on the transport carriage.

2.1 Transporting the Sewing Unit

The sewing unit has 4 castors for moving it in-house.

CAUTION !

When the sewing unit is in operation the castors must be screwed in so

far that the unit stands firmly on its feet.

–For transport turn the set screws 1 - 4 to the left.

The feet must have sufficient floor clearance for transport.

–Move the sewing unit.

–To lower the sewing unit turn the set screws 1 - 4 to the right.

The feet must stand firmly on the floor.

2.2 Setting the Work Height

The work height is adjustable between 84.5 cm and 124.5 cm.

The sewing unit is set at its lowest height for shipping.

Setting the work height

–Loosen the fastening screws 1 - 4.

–Set the unit horizontally to the desired height.

–Securely tighten the fastening screws 1 - 4.

2.3 Fastening the Thread Stand

The assembly and position of the thread stand can be seen in the

photo on the title page.

–Insert the stands and tighten the nuts under the work plate.

–The thread spool holders and take-off arms must lie above each

other.

2.4 Checking the V-belt Tension

It should be possible to press the V-belt together about 10 mm at its

center.

Setting the V-belt tension

–Swing the drive until the desired V-belt tension is reached.

3. Elektrical Connection

CAUTION !

All work on the sewing unit’s electrical components must only be

conducted by electricians or appropriately trained persons.

The mains plug must be dis-connected.

3.1 Connecting the Microcontrol

–Place the control unit on the mounting plate

(snap-on mounting).

–Connect the cables:

Caution!

Carefully insert the plugs into the control unit back plate.

In as far as possible match the designations on the cables to those

on the back plate.

Also observe the differing equipment of the plugs with pins and

slots as well as their number and arrangement.

–Screw the plugs tight.

3.2 Checking the Nominal Voltage

The nominal voltage given on the identification plate and the mains

voltage must match !

For conversion to a different mains voltage the appropriate parts kit

must be installed.

The parts kit consists of:

Belt pulley, V-belt, Protection switch.

Nominal Voltage: Order No.:

3 ~ 380 - 400 V + N , 50 Hz 743 000524

3 ~ 220 - 230 V , 50 Hz 743 000574

3 ~ 220 - 230 V , 60 Hz 743 000644

The wiring must be altered for conversion to other mains voltages. The

wiring is shown in the circuit diagram.

Appropriate to the mains voltage the bridges in the motor terminal box

are to be switched " Star " or " Delta " !

3.3 Setting the Motor Protection Switch

The motor protection switch must be set appropriately to the mains

voltage.

220 - 230 V 4,2 A

380 - 400 V 2,5 A

3.4 Checking the Direction of Motor Rotation

CAUTION !

Before commissioning the sewing unit it is essential that the direction

of the motor rotation be checked.

Switching on the sewing unit with the wrong rotation direction can

cause damage to the unit.

–The correct handwheel rotation direction is shown by an arrow on

the handwheel belt protection.

–If the rotation direction is not correct, then it must be checked if

the power supply produces a clockwise rotary field.

Should this be the case then 2 phases in the connection plug must

be interchanged.

3.5 Checking Positioning

The sewing unit should position when the take-up lever is in its upper

dead point.

Checking positioning

–Switch off the sewing unit.

–By turning the handwheel bring the take-up lever to a middle

position.

–Switch on the sewing unit.

The sewing unit positions.

Setting the position

–Loosen the threaded pins of the position transmitter.

–Hold the position transmitter collar 1 in place.

–By turning the handwheel set the take-up lever at the upper dead

point.

–Check the positioning again.

4. Pneumatic Connection

CAUTION !

For a flawless functioning of the pneumatic control procedures the

following points must be observed.

The compressed air supply is to be such that the minimum operating

pressure does not fall below 5 bar , even at the moment of greatest air

consumption.

Connection to the compressed air supply occurs through accessories

available as optional equipment ( 797 003031 ) or with

customer-supplied connection materials.

Operating pressure 2 = 6 bar

The blower pressure 1 must be adjusted to the material.

Standard setting: approx. 3 bar

To set the pressure lift the appropriate knob and turn.

Turn to the left = Decrease pressure

Turn to the right = Increase pressure

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