Human HumaStar 300, Service Manual

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maIntenanCe
301
17. Remove in sequence:
- The screws and the device D/6.
- Device D/11 from the plate axis hole.
- Device D12 and device from the encoder board.
18. Remove knob (5) and the reference pin (4) „Figure 64“. Re-insert cuvette N°38
19. Re-insert la the encoder board (16), and screws (15) „Figure 64“.
operations to be done using tester.exe
20. Click in sequence [pWR on] [HoMe z] [HoMe plate] [HoMe filter] in section
cuvette.
21. Fill the incubation chamber with bi-distilled water by clicking on [tb fill] , it
will require two filling cycles.
22. Align the Cuvette Plate (see „18.7.1.2 Replace the Cuvette Plate and Check
Alignment“).
18.7.1.6 Replace motor and belts of the Cuvette plate
Replacement of belts (37 - 40)
1. Remove screws (9 and 10) (hexa keys 3 and 4mm), remove reducer (39) to-
gether with the two toothed belts (37 and 40) „Figure 64“ and „Figure 66“.
2. Remove the stud (4) by removing screws (10). Loosen screws (11) (hexa key
1.5 mm) and remove the axis (5) „Figure 61“.
3. Remove pulley (2).
attention: there are two flat isolation washers.
4. Replace the belts (37 and 40) „Figure 65“ with original ones.
5. Re-assemble the pulley proceeding in reverse.
6. Remount the reducer (39) on the photometer assembly and ad just the ten-
sion of the belt (37).
7. Adjust the tension of the belt (37) as follows:
8. Rotate the holder (39) counterclockwise to obtain flexibility in the center of
the belt (39) of 2 mm with a pressure of 1 Kg, see „Figure 66“.
operation to be done with
analyzer turned off.