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Pfaff 491 User Manual

Pfaff 491
110 pages
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Adjustment
11 - 48
11.07.02 Control cam with respect to bobbin opener and tripping lever
Requirement
1. Control cam 2 must be touching bearing collar 3.
2. The roller of tripping lever 6 must fall slightly into the path of control cam 2.
5
4
2
6
1
7
3
Fig. 11 - 44
Loosen screws 1 and bring control cam 2 to rest against bearing collar 3.
In this position tighten one of the screws 1 slightly so that control cam 2 can still be
turned.
Loosen screw 4.
Position the straight section of the control cam underneath the roller of the tripping
lever 6.
Move tripping lever 6 together with shaft 7 in accordance with requirement 2.
Taking care to ensure that connecting link 5 engages completely in the groove of the rack,
bring connecting link 5 to rest on the right and tighten screw 4.
Only tighten screws 1 slightly for the following adjustment.

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Pfaff 491 Specifications

General IconGeneral
BrandPfaff
Model491
CategorySewing Machine
LanguageEnglish

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