Gasboy International Consumer Electric Pump 72X

Check for visible signs of wear or damage

Is the pump operating smoothly without unusual noises?

Front Panel and Register Exposure

Remove self-tapping screws and lift off the front panel assembly.

Remove screws with fiber washers and lift off components

Parts Withdrawal and Observation

Withdraw all parts (8 through 22) while observing their position and relationship.

Remove screw (1) to take out the totalizer assembly (3).

Gear Train Access and Liquid Management

Remove 4 screws to lift off the register (1 through 33) as an assembly.

Separate and clean top and bottom half of the measuring chamber

Ensure baffle is seated in grooves in top and bottom halves and through slot in measuring disc (7)

Rotate disc to ensure it turns freely

Torque screws (4) to 20-25 ft-lbs

Use a new O-ring (3) when reassembling register to meter body

Ensure the pump is adjusted for accurate measure for gasoline within + .05 gallons at the factory

Has the device been reported to local Weights and Measures officials for inspection?

Choose the flow rate for zero calibration point (e.g., middle or top notch position)

Use a certified five-gallon measure with a sight glass and scale

Fill and drain the test measure to wet the interior surfaces completely

Ensure appropriate container is ready to catch product when removing any cover.

Remove front panel to access working parts of the pump.

Remove cover plate (1) and square ring (2).

Remove key (3) and withdraw rotor and vanes from pump block (12).