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2500 Automatic Tank Gauge
42
Installation and Operations Manual
Figure 16:
Dial Plate Adjustments
Initial Lubrication
Note
Ensure you have completed all previous steps from your installation checklist
before proceeding.
Caution
Gauges measuring caustic liquids require that the gauge head be oil-filled.
Failure to protect the gauge head with oil may result in damage.
Note
Refer to Section "Lubrication" on page 71 for recommended oil.
1. Apply a light oil to the elbow sheave.
2. If the gauge head is not going to be filled with oil, apply a light oil to the tape sprocket and
storage sheave.
3. If the gauge head is to be filled with oil, reassemble the gauge head, then fill with oil. For
most service, Varec recommends filling the gauge head with oil to reduce wear and pro-
long the service life.
Note
To fill the counter assembly side of the gauge head with oil, it is necessary to
change the bottom NPT condensate drain plug. Replace it with a solid 1/4”-NPT plug or
reverse the solid top plug with the bottom plug. Fill the hole in the condensate drain plug
with RTV 737 sealant.
4. If your installation requires oil seals on the tape-run conduit elbows refer to Section "Oil
Seal Installation" on page 49.
Install a Transmitter and Replace all Covers
Note
Be sure to read Chapter 2 on page 7 before proceeding with this installation.
Ensure you have completed all previous steps from your installation checklist before pro-
ceeding.
Caution
Do not store the installation crank and thumbscrew in the gauge head, but keep
them at a storage area for future use.
E n g l i s h F r a c t i o n a l
M e t r i c
2 4
7
4 0
2 4
7
4 0
5
H u b A s s e m b l y
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