Instruction manual

Contents Page:

Part 2: Installation Instructions Class 888 – Original Instructions

1 Scope of delivery ............................................. 3

2 Transport packing of assembled machine ............................. 4

3 Assembling the stand

3.1 Assemblingthestandcomponents ................................... 4

3.2 Assemblingthetabletop ......................................... 5

3.2.1 Assemblingthetabletopinthemachinewiththemotoronthetabletop ............ 5

3.2.2 Assemblingthetabletopwiththemotoronthemachinehead(directdrive) .......... 6

3.2.3 Mounting the pressure regulator for the sewing foot to the table top ............... 7

3.3 Settingtheworkingheight ........................................ 9

4 Assembling the machine head

4.1 Fittingthemachinehead ......................................... 10

4.2 FittingthemachineheaddrivewithaV-belt.............................. 11

4.3 Fittingthebeltguards ........................................... 12

4.4 Adjustmentofpedalposition....................................... 13

4.5 Fittingthekneeleverandoilpumppipe ................................ 14

4.6 Fittingtheproximityswitch........................................ 15

4.7 Fitting the connecting cable, control panel

andsewingdiodelamponthemachinehead ............................. 16

5 Electrical connection

5.1 Electricalconnectiontolowvoltagenetwork............................. 17

5.1.1 Sewinglighttransformerconnectiontonetworkvoltage ...................... 18

5.2. Grounding .................................................. 19

5.3 Connection of head to Efka DC1550/DA321G drive ......................... 20

5.4 Mounting the M-Control PCB ....................................... 21

5.5 SettingtheswitchontheM-ControlPCB................................ 22

6 Adjustment of Efka positioning motor (drive)

6.1 Settingofpositioningmotor(drive)parameters............................ 23

6.1.1 Settingofparametersbythe“autoselect”function.......................... 23

6.1.2 SettingofEfkadrive parametersspecificforclass888....................... 23

6.1.3 Valuesofparametersspecificforthisclass888............................ 24

6.2 Settingofmachinepositioning...................................... 24

6.2.1 Positiondefinition.............................................. 24

6.2.2 Setting the machine positioning for DC1550/DA321G drive .................... 24

6.2.3 Checking of set positions ......................................... 25

6.3 Masterreset ................................................. 25

7 Pneumatic connection .......................................... 26

8 Lubrication ................................................. 27