Reliable liquid dispensing
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6
CLEANING AND MAINTENANCE
To obtain optimum performance and maximum life from the Moduline Systems’ DMC-B
Dispenser it is important that the recommended cleaning and maintenance instructions are
followed.
Routine Maintenance
1. Daily Maintenance
a. Flush the syringes out thoroughly with distilled or deionized water after each use.
b. The syringes should be primed with distilled or deionized water when not in use.
c. Do not allow the syringes to run dry for more than a few cycles.
d. Inspect the syringes for leaks, and correct any problems immediately.
e. Wipe up all spills on and around the conveyor and dispenser immediately.
2. Weekly Maintenance
Thoroughly clean the fluid path using one of the procedures outlined below.
a. Weak acid and Base in Sequence:
i. Prime the syringes with 0.1 N NaOH, and allow the solution to sit in the
syringes for 10 minutes with the syringes fully lowered.
ii. Flush the syringes with distilled or deionized water.
iii. Prime the syringes with 0.1 N HC1 and allow the solution to sit in the unit for
10 minutes with the syringes fully lowered.
iv. After a 10 minute period, remove the reagent tubing from 0.1 N HC1 solution
and cycle all the fluid from the syringes and tubing into a waste container.
v. Prime the syringes for several cycles with distilled or deionized water. Leave
system wet.
b. 10% Bleach:
i. Make a solution of 10% bleach, by adding 1 part of commercial bleach to 9
parts of water.
ii. Prime the syringes with the 10% bleach, and allow the solution to sit in the
syringes with the syringes fully lowered for 30 minutes.
iii. After the 30 minute period, remove the reagent tubing from 10% beach
solution and cycle all the fluid from the syringes and tubing into a waste
container.
iv. Prime the syringes for several cycles with distilled or deionized water. Leave
system wet.
3. Cleaning the Filter
On a bi-weekly basis thoroughly clean or replace the inlet filter. Instructions and
replacement filters have been included with the supplied DMC inlet assembly.
4. Tubing
It is important that all tubing be kept clean and free of crimps. Tubing that has become
dirty, blocked or crimped can result in poor accuracy and precision or possible syringe
