Table of Contents
Advertisement
Contents ................................................................................ Page
1
Adjustment ........................................................................................................................... 5
1
.01
Notes on adjustment ............................................................................................................. 5
1
.02
Tools, gauges and other accessories for adjusting ............................................................... 5
1
.03
Abbreviations ......................................................................................................................... 5
1
.04
Explanation of the symbols .................................................................................................... 5
1
.05
Adjusting the basic machine .................................................................................................. 6
1
.05.01
Basic position of the balance wheel (adjustment aid) ............................................................ 6
1
.05.02
Balance weight ...................................................................................................................... 7
1
.05.03
Needle position in the direction of sewing ............................................................................ 8
1
.05.04
Limiting the needle bar frame .............................................................................................. 10
1
.05.05
Preliminary adjustment of the needle height ....................................................................... 11
1
.05.06
Needle rise, Gripper distance, Needle height and Needle guard ......................................... 12
1
.05.07
Needle position crosswise to sewing direction ................................................................... 14
1
.05.08
Height and stroke of the bobbin case opener ...................................................................... 15
1
.05.09
Height of the feed wheel ..................................................................................................... 16
1
.05.10
Roller-presser ....................................................................................................................... 17
1
.05.11
Clearance between roller presser and feed wheel .............................................................. 18
1
.05.12
Knee lever ............................................................................................................................ 19
1
.05.13
Tension release .................................................................................................................... 20
1
.05.14
Thread check spring and thread regulator ............................................................................ 21
1
.05.15
Bobbin winder ...................................................................................................................... 22
1
.05.16
Sewing foot pressure ........................................................................................................... 23
1
.05.18
Lubrication ........................................................................................................................... 24
1
.05.19
Re-engaging the slip-clutch .................................................................................................. 25
1
.06
Adjusting the thread trimmer -900/81 .................................................................................. 26
1
.06.01
Resting position of the roller lever / radial position of the control cam ................................ 26
1
.06.02
Position of the thread catcher holder ................................................................................... 27
1
.06.03
Distance between thread catcher and needle plate ............................................................ 28
1
.06.04
Position of the thread catcher .............................................................................................. 29
1
.06.05
Knife position and knife pressure ......................................................................................... 30
1
.06.06
Bobbin thread retaining spring ............................................................................................. 31
1
.06.07
Manual cutting test .............................................................................................................. 32
Index
Advertisement
Table of Contents
