Duerkopp Adler 743-221 Service Manual page 23

8 9
2 12
7
12
13
14
10 11
Fitting the blade
–
Screw the blade 12 onto the pressure plate 16.
The distance from the edge of the blade to the surface of the body
of the clipper is 1.5 mm.
–
Tighten screws 15 and 17.
–
Undo pressure screw 13.
–
Fit the moving blade 2 from below into the blade-guide plate 6.
Check that the blade moves freely.
–
Tighten the pressure screw 13 and adjust for Cutting pressure.
The sewing threads must be reliably severed with the minimum
possible pressure.
Carry out a cutting test (see also section on function testing).
The lower end of screw 13 is split. It may be slightly expanded for
a secure fit.
–
Fit blade-guide plate 6.
The collar 18 must engage with the cylinder 8.
Pin 10 must engage with the hole 14.
Pin 9 must engage with the slot of the moving blade 2.
–
Fit the cover plate 1 with pressure spring 4 onto the blade-guide
plate 6.
–
Fully tighten screws 3 and 5.
Adjusting the height of the moving blade 2
–
The height of the moving blade 2 is adjusted with screw 11.
If this screw 11 has been unscrewed it must be replaced in the
hole together with PTFE tape and screwed in to its previous
position.
The setting of the moving blade 2 must be such that its edge is just
beneath the edge of the fixed blade 12. This is the case if the
distance from the edge of the blade to the surface of the body of
the clipper is 2 mm.
15 16 17 2 18
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