Service manual

Section - V Repair or Replacement BT3000 PLUS Rev. 0, Soft Ver. 8 Page 8 sur 22
5-2.2. SAMPLING TUBE WITH NEEDLE HOLDER
P/N 08-05029-01 INSTALLATION INSTRUCTIONS
In the arm head the only part subject to
wear and periodic replacement is the
"Sampling Tube with Needle Holder"
P/N 08-05029-01 (Figure 5-12), which
also incorporates the supply voltage
leads for powering the arm head
system. The "Sampling Tube with
Needle Holder" kit integrates sampling
needle, needle holder, sampling tube
with heating circuit and appropriate
connectors.
To install the arm Sampling Tube with
Needle Holder observe the following
step-by-step procedure:
1) Turn off power to the analyzer
and unplug the power cord from
the wall outlet to avoid electric
shock.
2) Loosen (do not remove) the 2
lateral screws from the arm head
cover and carefully remove
cover by sliding upwards from
the arm head (Fig.5-13).
3) Gently disconnect the previous
"Sampling Tube with Needle
Holder" tubing and cable
connectors (Figure 5-14). Note
that the ISE ARM (on the right
side) cable and tubing
connectors have different
locations.
4) Loosen (do not remove) the
screw (Figure 5-15) on the
needle clamp.
5) Carefully disconnect tube (Figure
5-16) from the arm head and
remove the defective "Sampling
Tube with Needle Holder"
(Figure 5-17).
Sampling Tube with Needle Holder
P/N 08-05029-01
Figure 5-12
Left Sampling
Arm, cut 20
cm from this
tube.
Figure 5-14
Disconnect
Tube & Cable
Cover
Figure 5-13