TCS900003, Rev.6
04/26/2016
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Page 20
Maintenance (CONTINUED)
10) When removing gaskets or O-rings, carefully check for damage or corrosion. Any cracked, rough,
worn, elongated or swollen O-rings must be replaced. When replacing the O-rings, place grease
along the inside of the O-ring groove or completely around the O-ring to help the O-ring stay in the
O-ring groove during assembly. If an O-ring is pinched or not in the O-ring groove, the meter
system will leak and cause serious problems to the environment and equipment. Collect all replaced
parts and dispose of properly.
11) Do not weld onto any part of the meter system or accessories as this will weaken the part and allow
for leaks.
12) Bolts and screws must be coated with Anti-Seize lubricant. Follow the torque specifications for
each flow meter, air eliminator, strainer or preset valve bolt found on page 31.
13) Recommended levels of maintenance and inspection will depend upon the system variables, such as
the characteristics of the products being measured (viscosity, corrosiveness, suspensions, etc.),
system pressure requirements, government or company regulations, and the age of the metering
system. If hydrostatic testing is required, the system pressure should not exceed 1.5 times the
marked meter pressure. It is not recommended to pneumatically test the meter system at any time.
14) If any component of the meter system is removed from the system, it should be thoroughly flushed
with a compatible liquid. After this is done, immediately refill the meter or accessory with a
compatible liquid to prevent corrosion and water build up.
¡WARNING!
Test equipment should be grounded to prevent a possible spark. Test area should have no ignition source. Operators should
wear personal protection and prevent any product exposure and environmental issues.
Storage Instructions
Short periods of non-use of the meter (a week or less) should present no problem, provided that the meter re-
mains full of product. For long periods of non-use, such as winter storage, the following procedure is recom-
mended.
1). To store the meter when it is left in line, flush the system with clean water until 70-80 gallons of water
have passed through the meter.
2). Pump a 50% anti-freeze / 50% water solution through the entire system (100% RV antifreeze may be used
instead). With the pump running, shut off a valve downstream from the meter, making sure that the
system is full of anti-freeze solution to that point. Then close an upstream valve, such that the meter
remains full of anti-freeze solution.
3). Remove the register from the meter, and lubricate the drive coupling shaft. After lubrication, reassemble
the register onto the meter.
When starting the system after a period of storage, it is recommended that the meter calibration be rechecked.
