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Pfaff
Sewing Machine
422
Pfaff 422 User Manual
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Adjustment
11 - 6
11
.04.05
Feeding stroke of feed dog
Requirement
With the needle bar at b.d.c. and the longest stitch length set, the feed dog must not
move when the reverse-feed control is operated.
Fig. 11 - 05
ā
Turn eccentric
1
(screws
2
) according to
Requirement
, making sure that cutout
3
is
visible from the underside.
1
2
2
3
36
38
Table of Contents
Table of Contents
3
Contents
4
Safety
6
Regulations
6
General Notes on Safety
6
Safety Symbols
7
Important Notes for the User
7
Notes for Operating and Technical Staff
8
Operating Staff
8
Technical Staff
8
Danger Warnings
9
Proper Use
10
Specifications
11
Pfaff 422, Pfaff 1422
11
Needle and Thread
12
Possible Work Aids
12
Disposal of Machine
13
Transportation, Packing and Storage
14
Transportation to Customer's Premises
14
Transportation Inside Customer's Premises
14
Disposal of Packing Materials
14
Storage
14
Explanation of Symbols
15
Controls
16
On/Off Switch
16
Keys on Machine Head
16
Pedal
17
Knee Lever
17
Presser Bar Lifter
18
Feed Regulator Wheel
18
Reverse-Feed Control
19
Installation and Commissioning
20
Installation
20
Adjusting the Table Height
20
Fitting the Tilt Lock
21
Tensioning the V-Belt
21
Fitting the Top V-Belt Guard
22
Fitting the Bottom V-Belt Guard
22
Fitting the Synchronizer
23
Fitting the Reel Stand
23
Switching the Machine On/Off
24
Commissioning
24
Setting up
25
Inserting the Needle
25
Winding the Bobbin Thread, Regulating the Winder Tension
26
Removing and Inserting the Bobbin Case
27
Threading the Bobbin Case and Adjusting the Bobbin Thread Tension
27
Threading Needle Threads and Regulating Tensions
28
Care and Maintenance
29
Cleaning the Hook Areas and the Hooks
29
Oiling the Hook
30
Checking/Adjusting the Air Pressure
31
Cleaning the Air Filter of the Air-Filter/Lubricator
31
Adjustment
32
Notes on Adjustment
32
Tools, Gauges and Other Equipment
32
Abbreviations
32
Adjusting the Basic Machine
33
Adjusting the Synchronizer
33
Balance Weight
34
Positioning the Feed Dog in the Needle Plate Cutout
35
Neutral Position of the Feed Dog
36
Feeding Stroke of Feed Dog
37
Lifting Stroke of Feed Dog
38
Feed Dog Height
39
Needles in Needle-Hole Centre
40
Needle Height (Preliminary Adjustment)
41
Needle Rise, Hook-To-Needle Clearance, Needle Height (Final Adjustment) and Needle Guard
42
Bobbin Case Opener Stroke
44
Re-Engaging the Slip-Clutch
45
Clearance between Presser Foot and Needle Plate
46
Knee Lever
47
Needle Thread Tension Release (on Machines Without Subclass -900/81)
48
Needle Thread Tension Release (on Machines with Subclass -900/81)
49
Bobbin Winder
50
Presser Foot Pressure
51
Thread Check Spring and Thread Regulator
52
Adjusting the Thread Trimmer 900/81
53
Resting Position of Roller Lever/Radial Position of Control Cam
53
Thread-Catcher Height
54
Thread Catcher Position
55
Knife Height
56
Knife Pressure
57
Bobbin-Thread Retaining Spring
58
Thread Catcher Transmission Crank
59
Tansmission Linkage
60
Manual Cutting Test
61
Parameter Adjustments
62
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Pfaff 422 Specifications
General
Brand
Pfaff
Model
422
Category
Sewing Machine
Language
English
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