SIGRIST OilGuard 2 Ex, Инструкция по эксплуатации

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Servicing Instruction Manual OilGuard 2 Ex
13003E/3 87
The following procedure describes how to cleaning the sample preparation system has been
made:
WORKSTEP ADDITIONAL INFO / IMAGES
1. Stop the sample feed.
2. When operating with a sample return pump,
ensure that this remains switched on.
3. If optional sampling equipment is present, en-
sure that the sample return valve remains
open.
This prevents the measuring cell from
filling up.
Section 2
4. Open the drainage valve (Figure 20, pos. 8)
slowly and let the sample preparation system
run dry.
5. Loosen the locking screws and remove the
cover (Figure 20, pos. 4) on the sample prepa-
ration system.
6. Check the seal (Figure 20, pos. 2) and replace,
if necessary.
7. Remove the skimmer (Figure 20, pos.3) from
the vessel (Figure 20, pos.1) and clean it.
8. Clean the interior of the sample preparation
system and the sample connections.
9. Reassemble the sample preparation system in
reverse order and put it into operation.