Move the collector to the front position with the focusing knob (36.1).

n. b.:

Remove the protective cover from the burner.

Put the lamp holder with burner inserted into the lamphousing and secure with the screws (10.10). Try moving the collector (36.1): it must not touch the power lead. When closing the lamphousing, make sure that the pins of the cut- out plug engage in the sockets (35.11). Retighten the screws of the lid. Push the cut-out plug in as far as it will go.

Attach the lamphousing to the microscope and connect to the power unit (compare mains voltage!).

Adjust the burner immediately after ignition.

Assembly of the tubes and tube adapter IR/R

Using a screwdriver, slacken the clamp screw (37.1; 38.1; 39.1) on the side of the tube change mount on the stand, mount the tube or tube adapter IR/R (clamp screw points to the right) and align with edges parallel to the microscope (the Siedentopf binocular points upwards in a V shape). The guide pin in the tube mount of the stand must fit into the groove of the tube change interface or interface of the tube adapter IR/R. Retighten the clamp screw. The procedure is the same for mounting the tube on the IR/R adapter. Similarly, the DM R tubes can be connected via this adapter, e. g. the binocular observation and photo tube HC FSA 25 PE (41.1), viewing angle 30°.

With side port for reflecting measurement scales and μ marks into the microscope image (slide overlay) and for connecting the MACRODUAL ZOOM device.

Field of view index up to 22.

Eyepiece diameter 30 mm for HL PLAN 10x/20 or 22 eyepieces.

Eyepieces with larger field of view numbers are not recommended for use on the DM IRB.

Fig. 36 Lamphousing 106 z L with Hg 100 W lamp

1 Collector focusing, 2 Lamp adjustment, vertical, 3 Lamp adjustment, horizontal, 4 Lamp holder Hg, 5 Reflector adjustment (not visible)

2

5

3

1

4

The tube adapter IR HC is mounted on the tube change mount of the stand and stabilised by tightening the clamp screw.

33

Page 33
Image 33
Leica DM IRB manual Assembly of the tubes and tube adapter IR/R