
Contents
Contents ................................................................................. Chapter – Page
9
.03
Removing/inserting the bobbin case .............................................................................. 9 - 3
9
.04
Threading the bobbin case / Adjusting the bobbin thread tension ................................... 9 - 3
9
.05
Threading the needle thread / Adjusting the needle thread tension ................................. 9 - 4
9
.06
Setting the zigzag stitch and the stitch position ............................................................. 9 - 5
9
.07
Entering the stitch length ............................................................................................... 9 - 5
9
.08
Entering the start and end backtacks ............................................................................. 9 - 6
9
.09
Entering the maximum speed ........................................................................................ 9 - 7
9
.10
Setting the remaining stitches for the bobbin thread control ........................................... 9 - 7
10
Sewing ........................................................................................................................ 10 - 1
10
.01
Manual sewing ............................................................................................................. 10 - 1
10
.02
Programmed sewing .................................................................................................... 10 - 2
10
.03
Error messages ............................................................................................................ 10 - 3
11
Input ............................................................................................................................ 11 - 1
11
.01
Seam program input ..................................................................................................... 11 - 1
11
.02
Example of a seam program input ................................................................................ 11 - 1
11
.03
Program recording forms .............................................................................................. 11 - 9
12
Care and maintenance ................................................................................................ 12 - 1
12
.01
Cleaning ....................................................................................................................... 12 - 1
12
.02
Lubricating the hook ..................................................................................................... 12 - 2
12
.03
Oiling the zigzag drive ................................................................................................... 12 - 3
12
.04
Cleaning the air filter of the air-filter / lubricator ............................................................. 12 - 4
12
.05
Checking/adjusting the air pressure .............................................................................. 12 - 4
13
Adjustment .................................................................................................................. 13 - 1
13
.01
Notes on adjustment .................................................................................................... 13 - 1
13
.02
Tools, gauges and other accessories for adjusting ....................................................... 13 - 1
13
.03
Abbreviations ................................................................................................................ 13 - 1
13
.04
Check and adjustment aid ............................................................................................ 13 - 2
13
.05
Adjusting the basic machine ........................................................................................ 13 - 3
13
.05.01
Balancing weight .......................................................................................................... 13 - 3
13
.05.02
Centering the needle in the needle hole (in sewing direction) ....................................... 13 - 4
13
.05.03
Parallel guiding of the needle bar .................................................................................. 13 - 5
13
.05.04
Locking lever ................................................................................................................ 13 - 6
13
.05.05
Zero stitch and zigzag stitch scale ............................................................................... 13 - 7
13
.05.06
Centering the needle in the needle hole (crosswise to sewing direction) ..................... 13 - 8
13
.05.07
Zigzag stitch width ....................................................................................................... 13 - 9
13
.05.08
Zigzag stitch motion ..................................................................................................... 13 - 10
13
.05.09
Needle penetration symmetry ...................................................................................... 13 - 11
13
.05.10
Needle position adjustment lever ................................................................................. 13 - 12
13
.05.11
Zero position of the bottom feed dog (with closed gear box) ......................................... 13 - 13
13
.05.12
Zeroing the bottom feed (with open gearbox) ............................................................... 13 - 14
13
.05.13
Feeding motion of the bottom feed dog ........................................................................ 13 - 15
13
.05.14
Lifting motion of the bottom feed dog ........................................................................... 13 - 16
13
.05.15
Drive belt in the gearbox housing ................................................................................. 13 - 17
Summary of Contents for 2438 plusline
Page 111: ...Wearing parts 14 2 99 137 151 45 91 171 049 05 91 171 042 05...
Page 113: ...15 2 Circuit diagram View Version 23 01 03...
Page 114: ...15 3 91 191 445 95 Part 1 Version 29 01 02 Circuit diagram...
Page 115: ...15 4 Circuit diagram Version 29 01 02 91 191 445 95 Part 2...
Page 116: ...15 5 91 191 445 95 Part 3 Version 29 01 02 Circuit diagram...
Page 117: ...15 6 Circuit diagram Version 29 01 02 91 191 445 95 Part 4...