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Pfaff
Sewing Machine
487
Pfaff 487 Service Manual
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2 - 8
Adjustment
●
Turn feed eccentric
1
(screws
2
) according to
Requirement
. Make sure that the cutout
in the feed eccentric is visible.
2.
10
Feeding motion of drop feed
Requirement
At the longest stitch length setting and with the needle bar in position
0.6 past t.d.c.
(blocking hole 1) the feed dog must not move when the reverse-feed control is operated.
Fig. 2 - 07
2
1
1
14
16
Table of Contents
Table of Contents
3
Safety
4
General Notes on Safety
4
Safety Symbols
5
Danger Warnings
5
Adjustments
6
Notes on Adjustment
6
Tools, Gauges and Other Equipment
6
Abbreviations
6
Explanation of Symbols
6
Checking and Adjusting Aid
9
Preliminary Adjustment of Needle Height
10
Needle in Needle-Hole Centre
11
Neutral Position of Drop Feed
12
Actuating Lever under the Reverse-Feed Control
14
Feeding Motion of Drop Feed
15
Lifting Motion of Drop Feed
16
Height of Drop Feed Dog
17
Clearance between Presser Foot and Needle Plate
18
Top Feed Actuating Link
19
Vibrating Presser Clearance
23
Top Feed Lifting Motion
24
Position of Lifting Presser
25
Synchronizing the Top Feed
26
Stitch Length Alignment
27
Eccentric Hook Shaft Bearing
28
Final Adjustment of Needle Rise, Needle Height, and Bobbin Case Position Finger
29
Bobbin Case Opener Height
30
Position of Bobbin Case Opener
31
Bobbin Case Opener Motion
32
Needle Thread Tension Release
33
Thread Check Spring and Thread Regulator
34
Bobbin Winder
35
Knee Lever Resting Position
36
Knee Lever Play
37
Knee Lever Stroke Limitation
38
Position of Vibrating Presser in Relation to Lifting Presser
39
Pressure of the Vibrating- and Lifting Pressers
40
Stitch Length Limitation
41
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Pfaff 487 Specifications
General
Brand
Pfaff
Model
487
Category
Sewing Machine
Language
English
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