Maintenance, O-rings at light emitter and receiver – Flowserve OR 52-5 User Manual
Page 34
![background image](https://www.manualsdir.com/files/784599/content/doc034.png)
34
Maintenance
continued
Cleaning Glass Cylinder
1. Move ring of the cleaning device up and down. Note that dependent on the
adjusted time delay Alarm 1 and/or Alarm 2 may be triggered off.
2. Move ring of the cleaning device back to its initial position (operating bar
protrudes approx. 70 mm from the sightglass). If the glass cylinder is very
contaminated replace the wiping ring of the cleaning device .
Clean glass cylinder at regular intervals - at least once a week, dependent on the de-
gree of contamination of the fluid. Replace glass cylinder if it is strongly contaminated.
Replacing Cleaning Plunger
1. Close ball valves for inlet and outlet. Open ball valve for rinsing .
2. Pull out cleaning device and unscrew the four hexagon head screws of the
lower flange . Remove lower flange with cleaning device .
3. Use screwdriver for bending open the inside serrations of the fixing disc and remove
the fixing disc.
4. Take out plunger and insert new plunger .
5. Mount new fixing disc. Make sure that the serrations point in the opposite direction
of the plunger .
6. Remove O-rings from the lower flange, clean seating surfaces and insert
new
O-rings .
7. Push plunger of the cleaning device into the glass cylinder and screw lower
flange firmly to housing .
8. Close ball valve for rinsing , open ball valves for inlet and outlet.
9. Check 0 % and 100 % settings of the measuring transducer.
Replacing Drying Cartridge
Replace drying cartridge when its content turns pink. Should this happen too often
check the following items for tightness;
O-rings at light emitter and receiver
Gaskets at connectors , front gaskets of glass cylinder
Cable glands at connectors of light emitter and receiver
L
H
L
H
L
H
U
U
B
E
H
I
J
J
H
K
K
K
V
W X
V
W X
K
H
U
J
T
E
B
G
Q
H
P
U
P
Q
D