Differential Valve - Tuthill Fill-Rite TS20 Serie Manual De Instalación, Operación Y Piezas

Problem
Leakage from seal cover.
Product flows through meter but the regis-
ter does not operate
Breaking teeth on gears.
No flow or low flow through the meter
Meter operates too slowly:
Product flows through the meter but regis-
ter does not record properly:
mdi - Manufacturers Distributor Inc. | Phone: (813) 241 - 4900 | Fax: (813) 571 - 0422 | www.FillRitePumpSales.com | [email protected]
Trouble Shooting
Probable Cause and Solution

Seal has been damaged due to shock

Cover bolts have not been tightened sufficiently

Replace seal and /or re-torque bolts

Pulser is not functioning properly

Meter gears are jammed and not turning

Replace the pulser, inspect internal meter parts

Starting or stopping flow too rapidly.

Normal wear after long service

Replace gears

Correct system operation

Check pump by-pass setting.

Faulty non-functioning pump

Differential valve not open or not functioning. Replace valve

Meter "frozen". Clean meter internals and inspect for damage

Vapor vent line valve shut or obstruction in vapor vent line. Open valve
or remove obstruction

Strainer dirty and plugged. Clean Strainer

Diaphragm on differential valve leaking. Replace Diaphragm.

Differential valve internal mechanism faulty. Valve does not open fully.

Meter gears dirty enough to slow the rotating gears. To correct, clean
gears.

Strainer partially plugged. Clean strainer basket.

Pump not functioning properly. Repair pump

Pulse output board faulty, or not calibrated for electronic register.

Vapor release valve sticking.

Differential valve leaking.

Repair or replace as necessary.
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