Neptune TRU/FLO, Installation And Maintenance Manual

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Maintaining the TRU/FLO Compound Meter
24 TRU/FLO Compound Meter Installation and Maintenance Guide
To properly set the calibration vane assembly, complete the following
steps.
1 Turn the cover assembly over, loosen the calibration vane nut.
2 Using a screwdriver turn the calibration vane to the desired setting.
3 After the calibration vane is in the desired location, tighten the nut
to fix the location of the calibration vane. See Figure 39.
Figure 39 Setting the Calibration Vane Assembly
4 To increase the registration, turn the calibration vane assembly
toward the plus sign.
5 To decrease the registration, turn the calibration vane assembly
toward the minus sign.
Performing Maintenance on the Throttle Valve Assembly
The throttle valve assembly consists of two parts:
• The throttle valve.
• The snap ring.
Figure 40 Throttle Valve Assembly
Removing the Throttle Valve Assembly
Complete the following steps to remove the throttle valve assembly.
1 Lift the throttle valve assembly, then insert the snap ring pliers.
2 Use the pliers to remove the snap ring. See Figure 41.
Figure 41 Removing the Snap Ring
Throttle
valve
Snap ring