Pfaff 438 Series User Manual

Contents
Page
1
Preparations for adjusting
2
2 Centring the needle in the needle hole (in sewing direction) 5
3
Setting the stabilizing rod parallel to the needle bar
6
4
Stitch width control 8
4.1 Zeroing the needle for straight stitching 8
4.2 Stitch width scale
9
4.3 Limiting the maximum stitch width
10
4.4
Adjustung the locking lever 11
5
Adjusting the needle in the needle hole (sideways)
12
6
Adjusting the needle throw 13
7
Needle position "left, centre, right"
14
8 Adjusting the needle position lever
16
9
Adjusting the stitch length scale ring
25
10
Zeroing the bottom feed 18
10.1 Adjustment with closed gearcase
18
10.2
Adjustment with open gearcase
19
11
Adjusting the bottom feed driving motion
20
12 Bottom feed liftingmotion
21+22
13
Tensloning the driving belt in the gearcase
23
14 Adjusting the hook bearing bracket
24
15
Preliminary adjustment of needle bar height
25
16 Oil distributor ring
26
17
Hook timing and hook-to-needle clearance
27
18 Final adjustment of needle bar height
28
19
Bobbin case opener
29
19.1 Position of bobbin case opener
29+30
19.2 Timing the bobbin case opener
31
20
Adjusting the slack thread control
32
21 Clearance between presser foot and needle
33
22 Feed dog height
34+35
23
Oil check valve
36
24 Tension release mechanism
37+38
25 Lubrication of zigzag eccentric
39
26
Hook lubrication
40
27 Knee lever stroke limitation
41
28 Knee lever play
42
29
Bobbin winder
43
30 Thread check spring and thread regulator
44
31
Presser foot pressure
44
Annex for machines equipped with zigzag control -716/..
32 Needle vibration 45
33 Left, center and right needle positions 46+47
34 Needle position lever 48+49
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

Pfaff 438 Series Specifications

General

Brand	Pfaff
Model	438 Series
Category	Sewing Machine
Language	English