Pfaff 1525 User Manual

11 - 42
Adjustment
11.07 Adjusting the thread trimmer 900/82
11.07.01 Resting position of the roller lever/Preliminary adjustment of the radial
position of the control cam
Requirement
1. When the cylinder plunger 1 is retracted, there must be a clearance of 0.1 mm
between the outer edge of control cam 6 and the roller of lever 5.
2. When the take-up lever is at TDC, the control cam 6 must have moved roller lever 5 to
its cutting position.
● Fully retract plunger 1 into cylinder 2.
● Re-position cylinder mounting 3 (screws 4) according to Requirement 1.
● Push roller lever 5 into control cam 6.
● Set take-up lever at TDC.
● Turn control cam 6 (screws 7) according to Requirement 2.
On cylinder plunger 1 about 1 mm thread must protrude above locknut 8.
6
5
0.1 mm
4
2
3
6
8
7
1
5
Fig. 11 - 38

Pfaff 1525 Specifications

General

Brand	Pfaff
Model	1525
Category	Sewing Machine
Language	English