TCS900003, Rev.6
04/26/2016
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Page 36
Inspection of Parts
1)
Inspect the surfaces of rotors, bearing plates, meter housing and gear teeth for any damage or
wear.
2)
Replace parts as needed.
GEAR WEAR
A) Meter has been run on air.
B) Meter has been operated at a
higher volume capacity than
what is rated
.
CHAMBER WEAR
A) Foreign debris, similar to sand or
sludge, has run through the meter.
B) Meter has been operated at a
higher capacity and has worn the
bearings out, allowing rotors to
drop into the chamber.
HYDRAULIC SHOCK
A) A valve downstream of the flow meter has abruptly shut off, creating hydraulic shock.
B) Flow meter potentially had large volume of free air flowing within the system, followed by fluid.
Hogged-Out
Keyway
Fractured
Bearing
