Instruction Manual ColorPlus 2
Servicing
76
13045E/3
9.2
Cleaning of the bypass measuring cell
The following procedure describes how to clean the bypass measuring cell (100/50 mm opti-
cal path length):
WORKSTEP
ADDITIONAL INFO / IMAGES
1.
Stop the sample flow and let the measuring
cell run dry.
2.
2a. Process for 100 mm optical path
length:
1. Loosen the knurled screws (1 - 6) and re-
move the cover with compensation glass.
The compensation glass is found on the
inside of the cover. Remove the cover
carefully.
2. Replace the seal (X) if this is no longer in
perfect condition.
3. Clean the compensation glass (circle) with a
suitable cleaning agent.
Replace the compensation glass if it is
scratched or tarnished.
The compensation glass is found only
on bypass measuring cells. This servicing duty
is not required on inline measuring cells.
2b. Process for 50 mm optical path length:
1. Loosen both knurled screws (circles) and
carefully remove the fixing bar.
The compensation glass is mounted on the rear
of the fixing bar and forms a unit together
with it.
Do not damage the glass on the fixing
bar.
2. Replace the seal (B) if this is no longer in
perfect condition.
3. Clean the compensation glass (A) with a
suitable cleaning agent.
Replace the compensation glass if it is
scratched or tarnished.
