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Pfaff coverlock 4772 Service Manual

Pfaff coverlock 4772
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35. Setting the release plate
Note:
This adjustment should only be carried out if a compelling reason exists.
Requirement:
Both tension release levers 69 and 70 should have a clearance of 1.5 mm to the blue and/or green
thread tension barrels (figure 59).
Setting:
Remove the front housing panel in accordance with the adjustment and repair instructions.
Remove the screws 71 and their washers (figure 60).
Remove the thread tension barrels completely from the housing.
Slightly loosen the screw 72 (figure 54).
Move the connecting plate until there is a clearance of 1.5 mm to the tension disc of the green
thread tension barrel.
Tighten the screw 72.
Loosen the screw 74
Move the small release plate 68 until there is a clearance of 1.5 mm to the blue thread tension barrel.
Tighten screw 74.
Place the thread tension barrels into the housing.
Insert the screws 71 with washers and tighten the screws (figure 60).
Test:
As described under “Requirement”.
Figure 59
53

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Pfaff coverlock 4772 Specifications

General IconGeneral
BrandPfaff
Modelcoverlock 4772
CategorySewing Machine
LanguageEnglish

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