Contents - Pfaff 1425 Instruction Manual

Contents

Contents ............................................................................... Chapter - Page
8
.01.07 Fitting the reel stand ................................................................................................... 8 - 4
8
.01.08 Connecting the earth cables ....................................................................................... 8 - 5
8
.02 Commissioning .......................................................................................................... 8 - 6
8
.03 Switching the machine on/off ..................................................................................... 8 - 6
9
Setting up ................................................................................................................. 9 - 1
9
.01 Inserting the needle on the PFAFF 1425 ................................................................... 9 - 1
9
.02 Inserting the needles on the PFAFF 1426 .................................................................. 9 - 2
9
.03 Winding the bobbin thread, regulating the winder tension ....................................... 9 - 3
9
.04 Bobbin-changing/threading, and regulating the bobbin thread tension ..................... 9 - 4
9
.05 Threading needle thread and regulating its tension on the PFAFF 1425 ................... 9 - 5
9
.06 Threading needle threads and regulating tensions on the PFAFF 1426 ....................... 9 - 6
10
Care and maintenance ........................................................................................... 10 - 1
10
.01 Cleaning the hook area ............................................................................................ 10 - 1
10
.02 Oiling the hook ........................................................................................................ 10 - 2
10
.03 Checking/adjusting the air pressure ........................................................................ 10 - 3
10
.04 Cleaning the air filter of the air-filter/lubricator ....................................................... 10 - 3
11
Adjustment ............................................................................................................. 11 - 1
11
.01 Tools, gauges and other equipment ........................................................................ 11 - 1
11
.02 Notes on adjustment ............................................................................................... 11 - 1
11
.03 Abbreviations ............................................................................................................ 11 - 1
11
.04 Adjusting the basic machine ................................................................................. 11 - 2
11
.04.01 Adjusting the synchronizer ........................................................................................ 11 - 2
11
.04.02 Balance weight ......................................................................................................... 11 - 3
11
.04.03 Neutral position of the unison feed ............................................................................ 11 - 4
11
.04.04 Feeding motion of the unison feed ............................................................................ 11 - 5
11
.04.05 Lifting motion of the bottom feed dog ....................................................................... 11 - 6
11
.04.06 Bottom feed-dog height ............................................................................................ 11 - 8
11
.04.07 Needle in needle-hole centre ..................................................................................... 11 - 9
11
.04.08 Feeding-stroke difference .......................................................................................... 11 - 10
11
.04.09 Needle height (preliminary adjustment) ..................................................................... 11 - 11
11
.04.10 Needle rise, hook clearance, needle height (final adjustment) and needle guard ....... 11 - 12
11
.04.11 Bobbin-case opener stroke ....................................................................................... 11 - 14
11
.04.12 Top feed stroke ......................................................................................................... 11 - 15
11
.04.13 Top feed lifting motion .............................................................................................. 11 - 16
11
.04.14 Clearance between lifting presser and needle plate .................................................. 11 - 17
11
.04.15 Bobbin winder .......................................................................................................... 11 - 18
11
.04.16 Thread check spring and thread regulator on the PFAFF 1425 ................................... 11 - 19
11
.04.17 Thread check springs and thread regulator on the PFAFF 1426 ................................. 11 - 20
11
.04.18 Speed reduction when the stroke is increased .......................................................... 11 - 21
11
.04.19 Needle-thread tension release ................................................................................... 11 - 22
11
.04.20 Lubrication ................................................................................................................ 11 - 23
11
.04.21 Re-engaging the slip-clutch ....................................................................................... 11 - 24