9E-926 68 SmartControl™ Meter & TouchPoint™
Operation Instructions
7.4.2 Replace the O-ring Seal (on the bottom of
the plunger)
1. Remove the diaphragm and plunger assembly as noted
above.
2. Remove and replace the O-ring by hand only, tools may
scratch the plastic. The O-ring must not be twisted, or the
meter will not function correctly. Dip the O-ring in soapy
water before applying to the plunger.
3. Reassemble plunger and diaphragm assembly in meter.
7.4.3 Replace the Upper Gasket (Between the
Inlet Section and Measuring Chamber)
1. With vacuum off, twist the large lock ring counterclockwise
¼ turn.
2. Remove the upper section of the meter and remove the
gasket.
3. Clean both mating surfaces with soap and water.
4. Dry both surfaces.
5. Install new gasket, checking that it is properly seated in the
housing groove.
6. Reinstall the upper section and tighten the lock ring.
7.4.4 Replace Lower Gasket (between Outlet
Section and Measuring Chamber)
1. With vacuum off, remove the outlet milk hose from the me-
ter.
2. Support the housing with one hand and twist the bottom ¼
turn counterclockwise (looking from bottom) with the other
hand.
3. Remove the gasket.
4. Clean the grooves in both parts with soap and water.
5. Dry both surfaces.
6. Install the new gasket, checking that it is properly seated
in the groove.
7. Reinstall the outlet on the housing, twisting until the stop
is contacted.
8. Reinstall the milk outlet hose.
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