Replacing Aspiration Tubing - Mindray BA-88A Service Manual

5.3.2 Replacing Aspiration Tubing

During operation, if the aspiration tubing is blocked and can not be unblocked,
replace it with the tubing (OD: 1.6mm; length: 200-220mm, transparent material),
with one end connected with silicone tube-OD: 4mm; length: about 30mm) in the
accessory. The replacement procedure is as follows:
1 Open the optical window cover and press the bottom of the flow cell ( if flow
cell fastening screw is installed, you do not have to press), then carefully pull
the metal inlet tubing which is connected with the flow cell ( the slimmer one
which is closer to the front of the instrument)
5-16
BIOHARZARD
When replacing the pump tubing, wear gloves and lab
coat and, if necessary, goggles. In case your skin
contacts the waste, follow standard laboratory safety
procedure and consult a doctor.
NOTE
The service life of the pump tubing is 18 month. Tubing
should be checked irregularly and replaced in time.
Do not use excessive force while pulling, slipping the
tubing or doing any operation that might pulling the
tubing. Otherwise, the tubing might be damaged or the
inner connection might be cut off.
While connecting the tubing, insert the tubing into the
adapter until the tubing reaches the bottom of the adapter
so as to ensure the reliability of the connection.
While installing the pump tubing into the pump, avoid
twisting. If necessary, pull the tubing back and forth
slightly.
Calibrate the pump after replacing the pump tubing.
Otherwise, the aspiration volume might not be correct
and the test may be affected.
5 Service and Maintenance
Pull the
tubing
out