Brake Lever - Duerkopp Adler 558 Service Instructions Manual

4. Brake Lever

5 12
1
2
3
4
5
6
7
8
9
10
11
Through the brake lever 11 the handwheel is arrested in the end
position of the machine (needle high position).
For this the leaf spring assembly 5 falls into the groove of the brake
cam 2.
The brake lever is set with the gauges (Order no. 558 1636 for 1 mm
and 558 1634 for 0.3 mm).
Caution Risk of Injury !
Pull the mains plug before setting.
–
Lift the idle lever 7.
The turn-on link 6 jumps from the highest point of the length setting
slide (see setting chapter 3).
The square stone 8 moves under the setting plate 9 of the turn-off
lever 1 and arrests the three-armed lever 10.
–
Loosen attachment screw 3.
–
Between leaf spring 5 of the brake lever 11 and the position of
greatest eccentricity of the brake cam 2 set a clearance of 1.3 mm.
To measure the clearance use the gauges ( Order no. 558 1636 for
1 mm and 558 1634 for 0.3 mm ).
–
Set the brake lever tight.
For this insert a screwdriver between the sides of the machine arm
and the clamping block 4.
Press the screwdriver to the right and hit lightly against the shaft
end 12.
–
Tighten attachment screw 1 again.
–
Check the clearance of 0.5 mm as per chapter 3 and the dimension
1.3 mm again.
If necessary, it is essential to correct the required dimensions!
7