Service manual

Section - V Repair or Replacement BT3000 PLUS Rev. 0, Soft Ver. 8 Page 6 sur 22
7) Place the cover on the arm head and gently push down to stop. Ensure
that the sample tube is correctly positioned between the metallic fin and
the appropriate slot on the rear of cover. Securely fasten the two screws
on the sides of the cover (Figure 5-6).
8) Securely connect sample tube and cable to correct connectors.
NOTE:
The preceding installation procedure is identical for both the sampling and ISE
arms (left arm and right arm in BT 3000 PLUS). To facilitate production the length
of sample tube (single plastic tube adjacent to the electrical connector - Figure 5-
7) is identical in both the arms. It is necessary to reduce the length of the plastic
tube of left arm head (for clinical chemistry sampling) by about 20 centimeters
prior to connecting it to the diluter. The length of tube of right arm head (ISE
sampling arm) remains unaltered. In the analyzers BT 1000 and BT 2000 PLUS
(without ISE sampling arm) the tube length of sampling arm head must be
reduced by 20 centimeters (Figure 5-7) as already outlined
9) It is mandatory to perform calibration of positions with the standard
service procedures. This operation is necessary because of possible
variations during installation.
10) It is mandatory to perform the calibration of volumes using appropriate
procedure. This procedure is necessary because the vertical position of
needle may result to be slightly displaced with respect to the previous
version of sampling arm.
Cover
Figure 5-6
Sampling Tube with Needle Holder
P/N 08-05029-01
Figure 5-7
Left Sampling
Arm, cut 20
cm from this
tube.