Leica CM1950 manual Not Visible

11. Optional Accessories

1

3a

	3a
not	2
visible
	3

4 4

5

6

Fig. 51

Knife holder CN with anti-roll guide – Moving the clamping chucks

The specimen disc 50x80mm is suitable only for section thicknesses up to approx. 5μm (due to the large specimen size).

The large specimen disc (80x50mm) should pref- erably be used with knife holder CN and the 16cm C-profile steel knife.

The clamping jaws are factory-installed in the knife holder with a clearance of 64mm. If neces- sary, both clamping chucks can be offset with a clearance of 84mm.

Perform the following steps:

•Use a 3 mm Allen key to loosen the screw over the clearance angle adjustment (1) and remove the segment arch (2) from the knife holder base.

•Use a 3 mm Allen key to loosen the screws (4) on the underside of the segment arch.

•Carefully pull the clamping jaw (5) on the right upward and insert it in the neighboring hole (6). Tighten the screws from the underside of the segment arch. Repeat on the left side.

•Insert the long knife support (3) on the side over the knurled screw (3a) so that the recess faces the user – turn the height adjustment knurled screws until the lower stop is reached.

•The knife can now be inserted from the side and its height adjusted via the knurled screws (3a).

Never work with only one clamping jaw, as this does not ensure the stability required for the sectioning process. Also, a long knife will not be sufficiently protected by the knife guard in this instance.

60 Operating Manual V1.1 – 05/2007