Maintenance
03-914642-00:6
7-9
5. The following menu will be displayed.
Remove syringe
Pull down carefully
Press any key to continue.
Gently pull the syringe barrel down off the valve manifold assembly (6).
Examine the plunger and o-ring for any corrosion or damage. If the o-ring has
been leaking or there is obvious damage to the o-ring, it should be replaced.
Remove syringe
Pull down carefully
Press any key to continue.
7. If the o-ring requires only cleaning, rinse the plunger assembly with a diluted
(50:50) solution of acetic or nitric acid, followed by rinsing the plunger with
very warm water and drying it with air or nitrogen. This will remove any Teflon
particles from the o-ring and any salt deposits on the plunger body. Rinse the
inside of the glass barrel with water and wipe it dry with a soft tissue. Note:
Make sure the barrel and plunger are free of any buildup
8. If the o-ring needs replacement, remove the old o-ring from the plunger.
Warm the new o-ring in very hot water for several minutes. The new o-ring
will slide on the plunger from the rear. With ONLY your fingers, gently push
the o-ring into the plunger's groove. Do not scratch the o-ring with your
fingernails.
NEVER
use a tool. Note: Make sure the barrel and plunger are
free of any buildup
9. Wet the top end of the 26 ml syringe glass barrel and the plunger assembly
with warm water. Gently push the plunger back into the barrel.
10. Press any key and the following menu will be displayed.
Install syringe
push up carefully
Press any key to continue.
WARNING
Carefully align plunger along axis of glass barrel
and do not force the plunger as breakage may
occur.
11. Replace the barrel with the plunger assembly back up onto the valve manifold
assembly. Push it up VERY gently. Reinstall the support block with the two
Allen socket head screws.
12. Press any key. The display will show “Clean Syringe” and the plunger rod arm
will begin to move up. The following menu will be displayed.
Align plunger rod
in plunger arm.
Press any key to continue.
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