Table Of Contents - Pfaff 3822-1/22 Instruction Manual

Contents
Notes on safety ................................................................................................................ 2
Meaning of the symbols .................................................................................................. 2
Purpose of application of the PFAFF 3822-1/22 and PFAFF 3822-1/24 ............................ 5
1 Specifications ................................................................................................................... 5
2 Controls and indicators .................................................................................................... 6
Pedal functions ................................................................................................................ 6
Twelve-key keypad .......................................................................................................... 7
3 Examination before commissioning ................................................................................. 8
4 Setting up the machine .................................................................................................... 8
5 Compressed air and electrical connection ....................................................................... 8
.1 Compressed air ................................................................................................................ 8
.2 Electrical ........................................................................................................................... 8
6 Switching the machine on ................................................................................................ 8
7 Switching the machine off ............................................................................................... 8
8 Checks ........................................................................................................................... 10
.1 Oil level of sewing machine ........................................................................................... 10
.3 Rotating direction ........................................................................................................... 10
9 Insert the needle ............................................................................................................ 12
10 Winding the bobbin thread ............................................................................................. 12
11 Regulating the winding thread tension ........................................................................... 12
12 Removing the bobbin case ............................................................................................. 14
13 Threading the bobbin thread tension.............................................................................. 14
14 Regulating the bobbin thread tension ............................................................................ 14
15 Inserting the bobbin case ............................................................................................... 14
16 Threading the needle thread .......................................................................................... 14
17 Adjusting the needle thread tension .............................................................................. 14
18 Checking and adjusting aid............................................................................................. 16
19 Needle to needle hole .................................................................................................... 16
20 Neutral position of bottom feed dog .............................................................................. 18
21 Stitch length limitation ................................................................................................... 18
22 Bottom feed actuating lever ........................................................................................... 18
23 Bottom feed dog stroke ................................................................................................. 20
24 Bottom feed lifting motion ............................................................................................. 20
25 Bottom feed dog height ................................................................................................. 22
26 Spacing between presser foot and needle plate ............................................................ 22
27 Adjusting the floating foot .............................................................................................. 24
.1 on 3822-1/24 .................................................................................................................. 24
.1.1 Height adjustment ......................................................................................................... 24
.1.2 Distance screw .............................................................................................................. 24
.2 on 3822-1/22 .................................................................................................................. 24
28 Top feed driving link ....................................................................................................... 26
29 Top feed neutral position ............................................................................................... 26
30 Top feed driving motion ................................................................................................. 28
31 Top feed stroke .............................................................................................................. 28
32 Top feed lifting motion ................................................................................................... 30
33 Top feed foot position .................................................................................................... 30
34 Top feed synchronization ............................................................................................... 30
35 Stitch length compensation ........................................................................................... 32
36 Eccentric hook shaft bearing .......................................................................................... 32
37 Needle height, needle rise and hook clearance .............................................................. 34
38 Bobbin case opener height ............................................................................................ 34
39 Bobbin case opener position .......................................................................................... 36
40 Bobbin case opener movement ..................................................................................... 36
41 Needle thread tension release ....................................................................................... 38
42 Thread check spring and thread regulator ...................................................................... 38
43 Bobbin winder ................................................................................................................ 38
44 Position of vibrating presser to lifting presser ................................................................ 40
45 Pressure of vibrating and lifting pressers ....................................................................... 40
46 Dismantling and re-fitting the take-up lever ................................................................... 42
.1 Dismantling .................................................................................................................... 42
.2 Re-fitting ........................................................................................................................ 42
PFAFF 3